diff --git a/CutList.Web/Controllers/CuttingToolsController.cs b/CutList.Web/Controllers/CuttingToolsController.cs
new file mode 100644
index 0000000..8c329b3
--- /dev/null
+++ b/CutList.Web/Controllers/CuttingToolsController.cs
@@ -0,0 +1,97 @@
+using CutList.Web.Data.Entities;
+using CutList.Web.DTOs;
+using CutList.Web.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CutList.Web.Controllers;
+
+[ApiController]
+[Route("api/cutting-tools")]
+public class CuttingToolsController : ControllerBase
+{
+    private readonly JobService _jobService;
+
+    public CuttingToolsController(JobService jobService)
+    {
+        _jobService = jobService;
+    }
+
+    [HttpGet]
+    public async Task<ActionResult<List<CuttingToolDto>>> GetAll([FromQuery] bool includeInactive = false)
+    {
+        var tools = await _jobService.GetCuttingToolsAsync(includeInactive);
+        return Ok(tools.Select(MapToDto).ToList());
+    }
+
+    [HttpGet("{id}")]
+    public async Task<ActionResult<CuttingToolDto>> GetById(int id)
+    {
+        var tool = await _jobService.GetCuttingToolByIdAsync(id);
+        if (tool == null)
+            return NotFound();
+
+        return Ok(MapToDto(tool));
+    }
+
+    [HttpGet("default")]
+    public async Task<ActionResult<CuttingToolDto>> GetDefault()
+    {
+        var tool = await _jobService.GetDefaultCuttingToolAsync();
+        if (tool == null)
+            return NotFound();
+
+        return Ok(MapToDto(tool));
+    }
+
+    [HttpPost]
+    public async Task<ActionResult<CuttingToolDto>> Create(CreateCuttingToolDto dto)
+    {
+        if (string.IsNullOrWhiteSpace(dto.Name))
+            return BadRequest("Name is required");
+
+        var tool = new CuttingTool
+        {
+            Name = dto.Name,
+            KerfInches = dto.KerfInches,
+            IsDefault = dto.IsDefault
+        };
+
+        await _jobService.CreateCuttingToolAsync(tool);
+        return CreatedAtAction(nameof(GetById), new { id = tool.Id }, MapToDto(tool));
+    }
+
+    [HttpPut("{id}")]
+    public async Task<ActionResult<CuttingToolDto>> Update(int id, UpdateCuttingToolDto dto)
+    {
+        var tool = await _jobService.GetCuttingToolByIdAsync(id);
+        if (tool == null)
+            return NotFound();
+
+        if (dto.Name != null) tool.Name = dto.Name;
+        if (dto.KerfInches.HasValue) tool.KerfInches = dto.KerfInches.Value;
+        if (dto.IsDefault.HasValue) tool.IsDefault = dto.IsDefault.Value;
+
+        await _jobService.UpdateCuttingToolAsync(tool);
+        return Ok(MapToDto(tool));
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id)
+    {
+        var tool = await _jobService.GetCuttingToolByIdAsync(id);
+        if (tool == null)
+            return NotFound();
+
+        await _jobService.DeleteCuttingToolAsync(id);
+        return NoContent();
+    }
+
+    private static CuttingToolDto MapToDto(CuttingTool tool) => new()
+    {
+        Id = tool.Id,
+        Name = tool.Name,
+        KerfInches = tool.KerfInches,
+        IsDefault = tool.IsDefault,
+        IsActive = tool.IsActive
+    };
+}
diff --git a/CutList.Web/Controllers/JobsController.cs b/CutList.Web/Controllers/JobsController.cs
new file mode 100644
index 0000000..4ec8465
--- /dev/null
+++ b/CutList.Web/Controllers/JobsController.cs
@@ -0,0 +1,492 @@
+using CutList.Core.Formatting;
+using CutList.Web.Data.Entities;
+using CutList.Web.DTOs;
+using CutList.Web.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CutList.Web.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class JobsController : ControllerBase
+{
+    private readonly JobService _jobService;
+    private readonly CutListPackingService _packingService;
+
+    public JobsController(JobService jobService, CutListPackingService packingService)
+    {
+        _jobService = jobService;
+        _packingService = packingService;
+    }
+
+    [HttpGet]
+    public async Task<ActionResult<List<JobDto>>> GetAll()
+    {
+        var jobs = await _jobService.GetAllAsync();
+        return Ok(jobs.Select(MapToDto).ToList());
+    }
+
+    [HttpGet("{id}")]
+    public async Task<ActionResult<JobDetailDto>> GetById(int id)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        return Ok(MapToDetailDto(job));
+    }
+
+    [HttpPost]
+    public async Task<ActionResult<JobDetailDto>> Create(CreateJobDto dto)
+    {
+        var job = new Job
+        {
+            Name = dto.Name,
+            Customer = dto.Customer,
+            CuttingToolId = dto.CuttingToolId,
+            Notes = dto.Notes
+        };
+
+        await _jobService.CreateAsync(job);
+        var created = await _jobService.GetByIdAsync(job.Id);
+        return CreatedAtAction(nameof(GetById), new { id = job.Id }, MapToDetailDto(created!));
+    }
+
+    [HttpPost("quick-create")]
+    public async Task<ActionResult<JobDetailDto>> QuickCreate(QuickCreateJobDto dto)
+    {
+        var job = await _jobService.QuickCreateAsync(dto.Customer);
+        var created = await _jobService.GetByIdAsync(job.Id);
+        return CreatedAtAction(nameof(GetById), new { id = job.Id }, MapToDetailDto(created!));
+    }
+
+    [HttpPut("{id}")]
+    public async Task<ActionResult<JobDetailDto>> Update(int id, UpdateJobDto dto)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        if (dto.Name != null) job.Name = dto.Name;
+        if (dto.Customer != null) job.Customer = dto.Customer;
+        if (dto.CuttingToolId.HasValue) job.CuttingToolId = dto.CuttingToolId;
+        if (dto.Notes != null) job.Notes = dto.Notes;
+
+        await _jobService.UpdateAsync(job);
+
+        var updated = await _jobService.GetByIdAsync(id);
+        return Ok(MapToDetailDto(updated!));
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        await _jobService.DeleteAsync(id);
+        return NoContent();
+    }
+
+    [HttpPost("{id}/duplicate")]
+    public async Task<ActionResult<JobDetailDto>> Duplicate(int id)
+    {
+        try
+        {
+            var duplicate = await _jobService.DuplicateAsync(id);
+            var loaded = await _jobService.GetByIdAsync(duplicate.Id);
+            return CreatedAtAction(nameof(GetById), new { id = duplicate.Id }, MapToDetailDto(loaded!));
+        }
+        catch (ArgumentException)
+        {
+            return NotFound();
+        }
+    }
+
+    // --- Parts ---
+
+    [HttpGet("{id}/parts")]
+    public async Task<ActionResult<List<JobPartDto>>> GetParts(int id)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        return Ok(job.Parts.Select(MapPartToDto).ToList());
+    }
+
+    [HttpPost("{id}/parts")]
+    public async Task<ActionResult<JobPartDto>> AddPart(int id, CreateJobPartDto dto)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        decimal lengthInches;
+        try
+        {
+            lengthInches = (decimal)ArchUnits.ParseToInches(dto.Length);
+        }
+        catch
+        {
+            return BadRequest($"Invalid length format: {dto.Length}");
+        }
+
+        var part = new JobPart
+        {
+            JobId = id,
+            MaterialId = dto.MaterialId,
+            Name = dto.Name,
+            LengthInches = lengthInches,
+            Quantity = dto.Quantity
+        };
+
+        await _jobService.AddPartAsync(part);
+
+        // Reload to get material name
+        var reloadedJob = await _jobService.GetByIdAsync(id);
+        var addedPart = reloadedJob!.Parts.FirstOrDefault(p => p.Id == part.Id);
+        return CreatedAtAction(nameof(GetParts), new { id }, MapPartToDto(addedPart ?? part));
+    }
+
+    [HttpPut("{id}/parts/{partId}")]
+    public async Task<ActionResult<JobPartDto>> UpdatePart(int id, int partId, UpdateJobPartDto dto)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        var part = job.Parts.FirstOrDefault(p => p.Id == partId);
+        if (part == null)
+            return NotFound();
+
+        if (dto.MaterialId.HasValue) part.MaterialId = dto.MaterialId.Value;
+        if (dto.Name != null) part.Name = dto.Name;
+        if (dto.Length != null)
+        {
+            try
+            {
+                part.LengthInches = (decimal)ArchUnits.ParseToInches(dto.Length);
+            }
+            catch
+            {
+                return BadRequest($"Invalid length format: {dto.Length}");
+            }
+        }
+        if (dto.Quantity.HasValue) part.Quantity = dto.Quantity.Value;
+
+        await _jobService.UpdatePartAsync(part);
+
+        var reloadedJob = await _jobService.GetByIdAsync(id);
+        var updatedPart = reloadedJob!.Parts.FirstOrDefault(p => p.Id == partId);
+        return Ok(MapPartToDto(updatedPart ?? part));
+    }
+
+    [HttpDelete("{id}/parts/{partId}")]
+    public async Task<IActionResult> DeletePart(int id, int partId)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        var part = job.Parts.FirstOrDefault(p => p.Id == partId);
+        if (part == null)
+            return NotFound();
+
+        await _jobService.DeletePartAsync(partId);
+        return NoContent();
+    }
+
+    // --- Stock ---
+
+    [HttpGet("{id}/stock")]
+    public async Task<ActionResult<List<JobStockDto>>> GetStock(int id)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        return Ok(job.Stock.Select(MapStockToDto).ToList());
+    }
+
+    [HttpPost("{id}/stock")]
+    public async Task<ActionResult<JobStockDto>> AddStock(int id, CreateJobStockDto dto)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        decimal lengthInches;
+        try
+        {
+            lengthInches = (decimal)ArchUnits.ParseToInches(dto.Length);
+        }
+        catch
+        {
+            return BadRequest($"Invalid length format: {dto.Length}");
+        }
+
+        var stock = new JobStock
+        {
+            JobId = id,
+            MaterialId = dto.MaterialId,
+            StockItemId = dto.StockItemId,
+            LengthInches = lengthInches,
+            Quantity = dto.Quantity,
+            IsCustomLength = dto.IsCustomLength,
+            Priority = dto.Priority
+        };
+
+        await _jobService.AddStockAsync(stock);
+
+        var reloadedJob = await _jobService.GetByIdAsync(id);
+        var addedStock = reloadedJob!.Stock.FirstOrDefault(s => s.Id == stock.Id);
+        return CreatedAtAction(nameof(GetStock), new { id }, MapStockToDto(addedStock ?? stock));
+    }
+
+    [HttpPut("{id}/stock/{stockId}")]
+    public async Task<ActionResult<JobStockDto>> UpdateStock(int id, int stockId, UpdateJobStockDto dto)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        var stock = job.Stock.FirstOrDefault(s => s.Id == stockId);
+        if (stock == null)
+            return NotFound();
+
+        if (dto.StockItemId.HasValue) stock.StockItemId = dto.StockItemId;
+        if (dto.Length != null)
+        {
+            try
+            {
+                stock.LengthInches = (decimal)ArchUnits.ParseToInches(dto.Length);
+            }
+            catch
+            {
+                return BadRequest($"Invalid length format: {dto.Length}");
+            }
+        }
+        if (dto.Quantity.HasValue) stock.Quantity = dto.Quantity.Value;
+        if (dto.IsCustomLength.HasValue) stock.IsCustomLength = dto.IsCustomLength.Value;
+        if (dto.Priority.HasValue) stock.Priority = dto.Priority.Value;
+
+        await _jobService.UpdateStockAsync(stock);
+
+        var reloadedJob = await _jobService.GetByIdAsync(id);
+        var updatedStock = reloadedJob!.Stock.FirstOrDefault(s => s.Id == stockId);
+        return Ok(MapStockToDto(updatedStock ?? stock));
+    }
+
+    [HttpDelete("{id}/stock/{stockId}")]
+    public async Task<IActionResult> DeleteStock(int id, int stockId)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        var stock = job.Stock.FirstOrDefault(s => s.Id == stockId);
+        if (stock == null)
+            return NotFound();
+
+        await _jobService.DeleteStockAsync(stockId);
+        return NoContent();
+    }
+
+    [HttpGet("{id}/available-stock/{materialId}")]
+    public async Task<ActionResult<List<StockItemDto>>> GetAvailableStock(int id, int materialId)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        var items = await _jobService.GetAvailableStockForMaterialAsync(materialId);
+        return Ok(items.Select(s => new StockItemDto
+        {
+            Id = s.Id,
+            MaterialId = s.MaterialId,
+            MaterialName = s.Material?.DisplayName ?? string.Empty,
+            LengthInches = s.LengthInches,
+            LengthFormatted = ArchUnits.FormatFromInches((double)s.LengthInches),
+            Name = s.Name,
+            QuantityOnHand = s.QuantityOnHand,
+            IsActive = s.IsActive
+        }).ToList());
+    }
+
+    // --- Packing ---
+
+    [HttpPost("{id}/pack")]
+    public async Task<ActionResult<PackResponseDto>> Pack(int id, PackJobRequestDto? dto = null)
+    {
+        var job = await _jobService.GetByIdAsync(id);
+        if (job == null)
+            return NotFound();
+
+        if (job.Parts.Count == 0)
+            return BadRequest("Job has no parts to pack");
+
+        // Determine kerf
+        decimal kerf = dto?.KerfOverride
+            ?? job.CuttingTool?.KerfInches
+            ?? (await _jobService.GetDefaultCuttingToolAsync())?.KerfInches
+            ?? 0.125m;
+
+        var result = await _packingService.PackAsync(job.Parts, kerf, job.Stock.Any() ? job.Stock : null);
+        var summary = _packingService.GetSummary(result);
+
+        return Ok(MapPackResult(result, summary));
+    }
+
+    // --- Mapping helpers ---
+
+    private static JobDto MapToDto(Job j) => new()
+    {
+        Id = j.Id,
+        JobNumber = j.JobNumber,
+        Name = j.Name,
+        Customer = j.Customer,
+        CuttingToolId = j.CuttingToolId,
+        CuttingToolName = j.CuttingTool?.Name,
+        Notes = j.Notes,
+        CreatedAt = j.CreatedAt,
+        UpdatedAt = j.UpdatedAt,
+        PartCount = j.Parts?.Count ?? 0,
+        StockCount = j.Stock?.Count ?? 0
+    };
+
+    private static JobDetailDto MapToDetailDto(Job j) => new()
+    {
+        Id = j.Id,
+        JobNumber = j.JobNumber,
+        Name = j.Name,
+        Customer = j.Customer,
+        CuttingToolId = j.CuttingToolId,
+        CuttingToolName = j.CuttingTool?.Name,
+        Notes = j.Notes,
+        CreatedAt = j.CreatedAt,
+        UpdatedAt = j.UpdatedAt,
+        PartCount = j.Parts?.Count ?? 0,
+        StockCount = j.Stock?.Count ?? 0,
+        Parts = j.Parts?.Select(MapPartToDto).ToList() ?? new(),
+        Stock = j.Stock?.Select(MapStockToDto).ToList() ?? new()
+    };
+
+    private static JobPartDto MapPartToDto(JobPart p) => new()
+    {
+        Id = p.Id,
+        JobId = p.JobId,
+        MaterialId = p.MaterialId,
+        MaterialName = p.Material?.DisplayName ?? string.Empty,
+        Name = p.Name,
+        LengthInches = p.LengthInches,
+        LengthFormatted = ArchUnits.FormatFromInches((double)p.LengthInches),
+        Quantity = p.Quantity,
+        SortOrder = p.SortOrder
+    };
+
+    private static JobStockDto MapStockToDto(JobStock s) => new()
+    {
+        Id = s.Id,
+        JobId = s.JobId,
+        MaterialId = s.MaterialId,
+        MaterialName = s.Material?.DisplayName ?? string.Empty,
+        StockItemId = s.StockItemId,
+        LengthInches = s.LengthInches,
+        LengthFormatted = ArchUnits.FormatFromInches((double)s.LengthInches),
+        Quantity = s.Quantity,
+        IsCustomLength = s.IsCustomLength,
+        Priority = s.Priority,
+        SortOrder = s.SortOrder
+    };
+
+    private static PackResponseDto MapPackResult(MultiMaterialPackResult result, MultiMaterialPackingSummary summary)
+    {
+        var response = new PackResponseDto();
+
+        foreach (var mr in result.MaterialResults)
+        {
+            var matResult = new MaterialPackResultDto
+            {
+                MaterialId = mr.Material.Id,
+                MaterialName = mr.Material.DisplayName,
+                InStockBins = mr.InStockBins.Select(MapBinToDto).ToList(),
+                ToBePurchasedBins = mr.ToBePurchasedBins.Select(MapBinToDto).ToList(),
+                ItemsNotPlaced = mr.PackResult.ItemsNotUsed.Select(i => new PackedItemDto
+                {
+                    Name = i.Name,
+                    LengthInches = i.Length,
+                    LengthFormatted = ArchUnits.FormatFromInches(i.Length)
+                }).ToList()
+            };
+
+            var ms = summary.MaterialSummaries.FirstOrDefault(s => s.Material.Id == mr.Material.Id);
+            if (ms != null)
+            {
+                matResult.Summary = new MaterialPackingSummaryDto
+                {
+                    MaterialId = ms.Material.Id,
+                    MaterialName = ms.Material.DisplayName,
+                    InStockBins = ms.InStockBins,
+                    ToBePurchasedBins = ms.ToBePurchasedBins,
+                    TotalPieces = ms.TotalPieces,
+                    TotalMaterialInches = ms.TotalMaterial,
+                    TotalUsedInches = ms.TotalUsed,
+                    TotalWasteInches = ms.TotalWaste,
+                    Efficiency = ms.Efficiency,
+                    ItemsNotPlaced = ms.ItemsNotPlaced
+                };
+            }
+
+            response.Materials.Add(matResult);
+        }
+
+        response.Summary = new PackingSummaryDto
+        {
+            TotalInStockBins = summary.TotalInStockBins,
+            TotalToBePurchasedBins = summary.TotalToBePurchasedBins,
+            TotalPieces = summary.TotalPieces,
+            TotalMaterialInches = summary.TotalMaterial,
+            TotalMaterialFormatted = ArchUnits.FormatFromInches(summary.TotalMaterial),
+            TotalUsedInches = summary.TotalUsed,
+            TotalUsedFormatted = ArchUnits.FormatFromInches(summary.TotalUsed),
+            TotalWasteInches = summary.TotalWaste,
+            TotalWasteFormatted = ArchUnits.FormatFromInches(summary.TotalWaste),
+            Efficiency = summary.Efficiency,
+            TotalItemsNotPlaced = summary.TotalItemsNotPlaced,
+            MaterialSummaries = summary.MaterialSummaries.Select(ms => new MaterialPackingSummaryDto
+            {
+                MaterialId = ms.Material.Id,
+                MaterialName = ms.Material.DisplayName,
+                InStockBins = ms.InStockBins,
+                ToBePurchasedBins = ms.ToBePurchasedBins,
+                TotalPieces = ms.TotalPieces,
+                TotalMaterialInches = ms.TotalMaterial,
+                TotalUsedInches = ms.TotalUsed,
+                TotalWasteInches = ms.TotalWaste,
+                Efficiency = ms.Efficiency,
+                ItemsNotPlaced = ms.ItemsNotPlaced
+            }).ToList()
+        };
+
+        return response;
+    }
+
+    private static PackedBinDto MapBinToDto(CutList.Core.Bin bin) => new()
+    {
+        LengthInches = bin.Length,
+        LengthFormatted = ArchUnits.FormatFromInches(bin.Length),
+        UsedInches = bin.UsedLength,
+        UsedFormatted = ArchUnits.FormatFromInches(bin.UsedLength),
+        WasteInches = bin.RemainingLength,
+        WasteFormatted = ArchUnits.FormatFromInches(bin.RemainingLength),
+        Efficiency = bin.Length > 0 ? bin.UsedLength / bin.Length * 100 : 0,
+        Items = bin.Items.Select(i => new PackedItemDto
+        {
+            Name = i.Name,
+            LengthInches = i.Length,
+            LengthFormatted = ArchUnits.FormatFromInches(i.Length)
+        }).ToList()
+    };
+}
diff --git a/CutList.Web/Controllers/MaterialsController.cs b/CutList.Web/Controllers/MaterialsController.cs
index eebb367..47f4c41 100644
--- a/CutList.Web/Controllers/MaterialsController.cs
+++ b/CutList.Web/Controllers/MaterialsController.cs
@@ -1,7 +1,7 @@
-using CutList.Web.Data;
 using CutList.Web.Data.Entities;
+using CutList.Web.DTOs;
+using CutList.Web.Services;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.EntityFrameworkCore;
 
 namespace CutList.Web.Controllers;
 
@@ -9,48 +9,55 @@ namespace CutList.Web.Controllers;
 [Route("api/[controller]")]
 public class MaterialsController : ControllerBase
 {
-    private readonly ApplicationDbContext _context;
+    private readonly MaterialService _materialService;
 
-    public MaterialsController(ApplicationDbContext context)
+    public MaterialsController(MaterialService materialService)
     {
-        _context = context;
+        _materialService = materialService;
     }
 
     [HttpGet]
-    public async Task<ActionResult<IEnumerable<MaterialDto>>> GetMaterials()
+    public async Task<ActionResult<List<MaterialDto>>> GetMaterials(
+        [FromQuery] bool includeInactive = false,
+        [FromQuery] string? shape = null)
     {
-        var materials = await _context.Materials
-            .Where(m => m.IsActive)
-            .OrderBy(m => m.Shape)
-            .ThenBy(m => m.SortOrder)
-            .ThenBy(m => m.Size)
-            .Select(m => new MaterialDto
-            {
-                Id = m.Id,
-                Shape = m.Shape.GetDisplayName(),
-                Size = m.Size,
-                Description = m.Description
-            })
-            .ToListAsync();
+        List<Material> materials;
 
-        return Ok(materials);
+        if (!string.IsNullOrWhiteSpace(shape))
+        {
+            var parsedShape = MaterialShapeExtensions.ParseShape(shape);
+            if (!parsedShape.HasValue)
+                return BadRequest($"Unknown shape: {shape}");
+
+            materials = await _materialService.GetByShapeAsync(parsedShape.Value, includeInactive);
+        }
+        else
+        {
+            materials = await _materialService.GetAllAsync(includeInactive);
+        }
+
+        return Ok(materials.Select(MapToDto).ToList());
     }
 
     [HttpGet("{id}")]
     public async Task<ActionResult<MaterialDto>> GetMaterial(int id)
     {
-        var material = await _context.Materials.FindAsync(id);
-
-        if (material == null || !material.IsActive)
+        var material = await _materialService.GetByIdAsync(id);
+        if (material == null)
             return NotFound();
 
-        return Ok(new MaterialDto
-        {
-            Id = material.Id,
-            Shape = material.Shape.GetDisplayName(),
-            Size = material.Size,
-            Description = material.Description
-        });
+        return Ok(MapToDto(material));
+    }
+
+    [HttpGet("by-shape/{shape}")]
+    public async Task<ActionResult<List<MaterialDto>>> GetByShape(string shape, [FromQuery] bool includeInactive = false)
+    {
+        var parsedShape = MaterialShapeExtensions.ParseShape(shape);
+        if (!parsedShape.HasValue)
+            return BadRequest($"Unknown shape: {shape}");
+
+        var materials = await _materialService.GetByShapeAsync(parsedShape.Value, includeInactive);
+        return Ok(materials.Select(MapToDto).ToList());
     }
 
     [HttpPost]
@@ -59,38 +66,53 @@ public class MaterialsController : ControllerBase
         if (string.IsNullOrWhiteSpace(dto.Shape))
             return BadRequest("Shape is required");
 
-        if (string.IsNullOrWhiteSpace(dto.Size))
-            return BadRequest("Size is required");
-
         var parsedShape = MaterialShapeExtensions.ParseShape(dto.Shape);
         if (!parsedShape.HasValue)
             return BadRequest($"Unknown shape: {dto.Shape}");
 
-        // Check for duplicates
-        var exists = await _context.Materials
-            .AnyAsync(m => m.Shape == parsedShape.Value && m.Size == dto.Size && m.IsActive);
-
-        if (exists)
-            return Conflict($"Material '{dto.Shape} - {dto.Size}' already exists");
+        // Parse material type
+        MaterialType materialType = MaterialType.Steel;
+        if (!string.IsNullOrWhiteSpace(dto.Type))
+        {
+            if (!Enum.TryParse<MaterialType>(dto.Type, true, out materialType))
+                return BadRequest($"Unknown material type: {dto.Type}");
+        }
 
         var material = new Material
         {
             Shape = parsedShape.Value,
-            Size = dto.Size,
-            Description = dto.Description,
-            CreatedAt = DateTime.UtcNow
+            Type = materialType,
+            Grade = dto.Grade,
+            Size = dto.Size ?? string.Empty,
+            Description = dto.Description
         };
 
-        _context.Materials.Add(material);
-        await _context.SaveChangesAsync();
-
-        return CreatedAtAction(nameof(GetMaterial), new { id = material.Id }, new MaterialDto
+        if (dto.Dimensions != null && dto.Dimensions.Count > 0)
         {
-            Id = material.Id,
-            Shape = material.Shape.GetDisplayName(),
-            Size = material.Size,
-            Description = material.Description
-        });
+            var dimensions = MaterialService.CreateDimensionsForShape(parsedShape.Value);
+            ApplyDimensionValues(dimensions, dto.Dimensions);
+
+            // Check for duplicates using generated size
+            var generatedSize = dimensions.GenerateSizeString();
+            var exists = await _materialService.ExistsAsync(parsedShape.Value, generatedSize);
+            if (exists)
+                return Conflict($"Material '{parsedShape.Value.GetDisplayName()} - {generatedSize}' already exists");
+
+            var created = await _materialService.CreateWithDimensionsAsync(material, dimensions);
+            return CreatedAtAction(nameof(GetMaterial), new { id = created.Id }, MapToDto(created));
+        }
+        else
+        {
+            if (string.IsNullOrWhiteSpace(material.Size))
+                return BadRequest("Size is required when dimensions are not provided");
+
+            var exists = await _materialService.ExistsAsync(parsedShape.Value, material.Size);
+            if (exists)
+                return Conflict($"Material '{parsedShape.Value.GetDisplayName()} - {material.Size}' already exists");
+
+            var created = await _materialService.CreateAsync(material);
+            return CreatedAtAction(nameof(GetMaterial), new { id = created.Id }, MapToDto(created));
+        }
     }
 
     [HttpPost("bulk")]
@@ -102,9 +124,9 @@ public class MaterialsController : ControllerBase
 
         foreach (var dto in materials)
         {
-            if (string.IsNullOrWhiteSpace(dto.Shape) || string.IsNullOrWhiteSpace(dto.Size))
+            if (string.IsNullOrWhiteSpace(dto.Shape))
             {
-                errors.Add($"Invalid material: Shape and Size are required");
+                errors.Add("Invalid material: Shape is required");
                 continue;
             }
 
@@ -115,27 +137,61 @@ public class MaterialsController : ControllerBase
                 continue;
             }
 
-            var exists = await _context.Materials
-                .AnyAsync(m => m.Shape == parsedShape.Value && m.Size == dto.Size && m.IsActive);
+            var size = dto.Size ?? string.Empty;
 
+            if (dto.Dimensions != null && dto.Dimensions.Count > 0)
+            {
+                var dimensions = MaterialService.CreateDimensionsForShape(parsedShape.Value);
+                ApplyDimensionValues(dimensions, dto.Dimensions);
+                size = dimensions.GenerateSizeString();
+            }
+
+            if (string.IsNullOrWhiteSpace(size))
+            {
+                errors.Add($"Size is required for {dto.Shape}");
+                continue;
+            }
+
+            var exists = await _materialService.ExistsAsync(parsedShape.Value, size);
             if (exists)
             {
                 skipped++;
                 continue;
             }
 
-            _context.Materials.Add(new Material
+            MaterialType materialType = MaterialType.Steel;
+            if (!string.IsNullOrWhiteSpace(dto.Type))
+            {
+                if (!Enum.TryParse<MaterialType>(dto.Type, true, out materialType))
+                {
+                    errors.Add($"Unknown material type: {dto.Type}");
+                    continue;
+                }
+            }
+
+            var material = new Material
             {
                 Shape = parsedShape.Value,
-                Size = dto.Size,
-                Description = dto.Description,
-                CreatedAt = DateTime.UtcNow
-            });
+                Type = materialType,
+                Grade = dto.Grade,
+                Size = size,
+                Description = dto.Description
+            };
+
+            if (dto.Dimensions != null && dto.Dimensions.Count > 0)
+            {
+                var dimensions = MaterialService.CreateDimensionsForShape(parsedShape.Value);
+                ApplyDimensionValues(dimensions, dto.Dimensions);
+                await _materialService.CreateWithDimensionsAsync(material, dimensions);
+            }
+            else
+            {
+                await _materialService.CreateAsync(material);
+            }
+
             created++;
         }
 
-        await _context.SaveChangesAsync();
-
         return Ok(new BulkCreateResult
         {
             Created = created,
@@ -144,39 +200,192 @@ public class MaterialsController : ControllerBase
         });
     }
 
-    [HttpDelete("{id}")]
-    public async Task<IActionResult> DeleteMaterial(int id)
+    [HttpPut("{id}")]
+    public async Task<ActionResult<MaterialDto>> UpdateMaterial(int id, UpdateMaterialDto dto)
     {
-        var material = await _context.Materials.FindAsync(id);
-
+        var material = await _materialService.GetByIdAsync(id);
         if (material == null)
             return NotFound();
 
-        material.IsActive = false;
-        await _context.SaveChangesAsync();
+        if (dto.Type != null)
+        {
+            if (!Enum.TryParse<MaterialType>(dto.Type, true, out var materialType))
+                return BadRequest($"Unknown material type: {dto.Type}");
+            material.Type = materialType;
+        }
 
+        if (dto.Grade != null) material.Grade = dto.Grade;
+        if (dto.Size != null) material.Size = dto.Size;
+        if (dto.Description != null) material.Description = dto.Description;
+
+        if (dto.Dimensions != null && dto.Dimensions.Count > 0)
+        {
+            var dimensions = material.Dimensions ?? MaterialService.CreateDimensionsForShape(material.Shape);
+            ApplyDimensionValues(dimensions, dto.Dimensions);
+            await _materialService.UpdateWithDimensionsAsync(material, dimensions, dto.RegenerateSize ?? false);
+        }
+        else
+        {
+            await _materialService.UpdateAsync(material);
+        }
+
+        var updated = await _materialService.GetByIdAsync(id);
+        return Ok(MapToDto(updated!));
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> DeleteMaterial(int id)
+    {
+        var material = await _materialService.GetByIdAsync(id);
+        if (material == null)
+            return NotFound();
+
+        await _materialService.DeleteAsync(id);
         return NoContent();
     }
-}
 
-public class MaterialDto
-{
-    public int Id { get; set; }
-    public string Shape { get; set; } = string.Empty;
-    public string Size { get; set; } = string.Empty;
-    public string? Description { get; set; }
-}
+    [HttpPost("search")]
+    public async Task<ActionResult<List<MaterialDto>>> SearchMaterials(MaterialSearchDto dto)
+    {
+        if (string.IsNullOrWhiteSpace(dto.Shape))
+            return BadRequest("Shape is required");
 
-public class CreateMaterialDto
-{
-    public string Shape { get; set; } = string.Empty;
-    public string Size { get; set; } = string.Empty;
-    public string? Description { get; set; }
-}
+        var parsedShape = MaterialShapeExtensions.ParseShape(dto.Shape);
+        if (!parsedShape.HasValue)
+            return BadRequest($"Unknown shape: {dto.Shape}");
 
-public class BulkCreateResult
-{
-    public int Created { get; set; }
-    public int Skipped { get; set; }
-    public List<string> Errors { get; set; } = new();
+        var results = parsedShape.Value switch
+        {
+            MaterialShape.RoundBar => await _materialService.SearchRoundBarByDiameterAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.RoundTube => await _materialService.SearchRoundTubeByODAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.FlatBar => await _materialService.SearchFlatBarByWidthAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.SquareBar => await _materialService.SearchSquareBarBySizeAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.SquareTube => await _materialService.SearchSquareTubeBySizeAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.RectangularTube => await _materialService.SearchRectangularTubeByWidthAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.Angle => await _materialService.SearchAngleByLegAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.Channel => await _materialService.SearchChannelByHeightAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.IBeam => await _materialService.SearchIBeamByHeightAsync(dto.TargetValue, dto.Tolerance),
+            MaterialShape.Pipe => await _materialService.SearchPipeByNominalSizeAsync(dto.TargetValue, dto.Tolerance),
+            _ => new List<Material>()
+        };
+
+        return Ok(results.Select(MapToDto).ToList());
+    }
+
+    private static MaterialDto MapToDto(Material m) => new()
+    {
+        Id = m.Id,
+        Shape = m.Shape.GetDisplayName(),
+        Type = m.Type.ToString(),
+        Grade = m.Grade,
+        Size = m.Size,
+        Description = m.Description,
+        IsActive = m.IsActive,
+        Dimensions = m.Dimensions != null ? MapDimensionsToDto(m.Dimensions) : null
+    };
+
+    private static MaterialDimensionsDto MapDimensionsToDto(MaterialDimensions d)
+    {
+        var dto = new MaterialDimensionsDto
+        {
+            DimensionType = d.GetType().Name.Replace("Dimensions", "")
+        };
+
+        // Extract dimension values based on type
+        switch (d)
+        {
+            case RoundBarDimensions rb:
+                dto.Values["Diameter"] = rb.Diameter;
+                break;
+            case RoundTubeDimensions rt:
+                dto.Values["OuterDiameter"] = rt.OuterDiameter;
+                dto.Values["Wall"] = rt.Wall;
+                break;
+            case FlatBarDimensions fb:
+                dto.Values["Width"] = fb.Width;
+                dto.Values["Thickness"] = fb.Thickness;
+                break;
+            case SquareBarDimensions sb:
+                dto.Values["Size"] = sb.Size;
+                break;
+            case SquareTubeDimensions st:
+                dto.Values["Size"] = st.Size;
+                dto.Values["Wall"] = st.Wall;
+                break;
+            case RectangularTubeDimensions rect:
+                dto.Values["Width"] = rect.Width;
+                dto.Values["Height"] = rect.Height;
+                dto.Values["Wall"] = rect.Wall;
+                break;
+            case AngleDimensions a:
+                dto.Values["Leg1"] = a.Leg1;
+                dto.Values["Leg2"] = a.Leg2;
+                dto.Values["Thickness"] = a.Thickness;
+                break;
+            case ChannelDimensions c:
+                dto.Values["Height"] = c.Height;
+                dto.Values["Flange"] = c.Flange;
+                dto.Values["Web"] = c.Web;
+                break;
+            case IBeamDimensions ib:
+                dto.Values["Height"] = ib.Height;
+                dto.Values["WeightPerFoot"] = ib.WeightPerFoot;
+                break;
+            case PipeDimensions p:
+                dto.Values["NominalSize"] = p.NominalSize;
+                if (p.Wall.HasValue) dto.Values["Wall"] = p.Wall.Value;
+                break;
+        }
+
+        return dto;
+    }
+
+    private static void ApplyDimensionValues(MaterialDimensions dimensions, Dictionary<string, decimal> values)
+    {
+        switch (dimensions)
+        {
+            case RoundBarDimensions rb:
+                if (values.TryGetValue("Diameter", out var diameter)) rb.Diameter = diameter;
+                break;
+            case RoundTubeDimensions rt:
+                if (values.TryGetValue("OuterDiameter", out var od)) rt.OuterDiameter = od;
+                if (values.TryGetValue("Wall", out var rtWall)) rt.Wall = rtWall;
+                break;
+            case FlatBarDimensions fb:
+                if (values.TryGetValue("Width", out var fbWidth)) fb.Width = fbWidth;
+                if (values.TryGetValue("Thickness", out var fbThick)) fb.Thickness = fbThick;
+                break;
+            case SquareBarDimensions sb:
+                if (values.TryGetValue("Size", out var sbSize)) sb.Size = sbSize;
+                break;
+            case SquareTubeDimensions st:
+                if (values.TryGetValue("Size", out var stSize)) st.Size = stSize;
+                if (values.TryGetValue("Wall", out var stWall)) st.Wall = stWall;
+                break;
+            case RectangularTubeDimensions rect:
+                if (values.TryGetValue("Width", out var rectWidth)) rect.Width = rectWidth;
+                if (values.TryGetValue("Height", out var rectHeight)) rect.Height = rectHeight;
+                if (values.TryGetValue("Wall", out var rectWall)) rect.Wall = rectWall;
+                break;
+            case AngleDimensions a:
+                if (values.TryGetValue("Leg1", out var leg1)) a.Leg1 = leg1;
+                if (values.TryGetValue("Leg2", out var leg2)) a.Leg2 = leg2;
+                if (values.TryGetValue("Thickness", out var aThick)) a.Thickness = aThick;
+                break;
+            case ChannelDimensions c:
+                if (values.TryGetValue("Height", out var cHeight)) c.Height = cHeight;
+                if (values.TryGetValue("Flange", out var flange)) c.Flange = flange;
+                if (values.TryGetValue("Web", out var web)) c.Web = web;
+                break;
+            case IBeamDimensions ib:
+                if (values.TryGetValue("Height", out var ibHeight)) ib.Height = ibHeight;
+                if (values.TryGetValue("WeightPerFoot", out var weight)) ib.WeightPerFoot = weight;
+                break;
+            case PipeDimensions p:
+                if (values.TryGetValue("NominalSize", out var nps)) p.NominalSize = nps;
+                if (values.TryGetValue("Wall", out var pWall)) p.Wall = pWall;
+                if (values.TryGetValue("Schedule", out var schedule)) p.Schedule = schedule.ToString();
+                break;
+        }
+    }
 }
diff --git a/CutList.Web/Controllers/PackingController.cs b/CutList.Web/Controllers/PackingController.cs
new file mode 100644
index 0000000..b989cf3
--- /dev/null
+++ b/CutList.Web/Controllers/PackingController.cs
@@ -0,0 +1,156 @@
+using CutList.Core;
+using CutList.Core.Formatting;
+using CutList.Core.Nesting;
+using CutList.Web.DTOs;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CutList.Web.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class PackingController : ControllerBase
+{
+    [HttpPost("optimize")]
+    public ActionResult<object> Optimize(StandalonePackRequestDto dto)
+    {
+        if (dto.Parts.Count == 0)
+            return BadRequest("At least one part is required");
+
+        if (dto.StockBins.Count == 0)
+            return BadRequest("At least one stock bin is required");
+
+        // Parse parts
+        var items = new List<BinItem>();
+        foreach (var part in dto.Parts)
+        {
+            double length;
+            try
+            {
+                length = ArchUnits.ParseToInches(part.Length);
+            }
+            catch
+            {
+                return BadRequest($"Invalid length format for part '{part.Name}': {part.Length}");
+            }
+
+            for (int i = 0; i < part.Quantity; i++)
+            {
+                items.Add(new BinItem(part.Name, length));
+            }
+        }
+
+        // Parse stock bins
+        var multiBins = new List<MultiBin>();
+        foreach (var bin in dto.StockBins)
+        {
+            double length;
+            try
+            {
+                length = ArchUnits.ParseToInches(bin.Length);
+            }
+            catch
+            {
+                return BadRequest($"Invalid length format for stock bin: {bin.Length}");
+            }
+
+            multiBins.Add(new MultiBin(length, bin.Quantity, bin.Priority));
+        }
+
+        // Select strategy
+        var strategy = dto.Strategy?.ToLowerInvariant() switch
+        {
+            "bestfit" => PackingStrategy.BestFit,
+            "exhaustive" => PackingStrategy.Exhaustive,
+            _ => PackingStrategy.AdvancedFit
+        };
+
+        // Run packing
+        var engine = new MultiBinEngine
+        {
+            Spacing = (double)dto.Kerf,
+            Strategy = strategy
+        };
+
+        engine.SetBins(multiBins);
+        var result = engine.Pack(items);
+
+        // Map result
+        var bins = result.Bins.Select(bin => new PackedBinDto
+        {
+            LengthInches = bin.Length,
+            LengthFormatted = ArchUnits.FormatFromInches(bin.Length),
+            UsedInches = bin.UsedLength,
+            UsedFormatted = ArchUnits.FormatFromInches(bin.UsedLength),
+            WasteInches = bin.RemainingLength,
+            WasteFormatted = ArchUnits.FormatFromInches(bin.RemainingLength),
+            Efficiency = bin.Length > 0 ? bin.UsedLength / bin.Length * 100 : 0,
+            Items = bin.Items.Select(i => new PackedItemDto
+            {
+                Name = i.Name,
+                LengthInches = i.Length,
+                LengthFormatted = ArchUnits.FormatFromInches(i.Length)
+            }).ToList()
+        }).ToList();
+
+        var itemsNotPlaced = result.ItemsNotUsed.Select(i => new PackedItemDto
+        {
+            Name = i.Name,
+            LengthInches = i.Length,
+            LengthFormatted = ArchUnits.FormatFromInches(i.Length)
+        }).ToList();
+
+        var totalMaterial = result.Bins.Sum(b => b.Length);
+        var totalUsed = result.Bins.Sum(b => b.UsedLength);
+        var totalWaste = result.Bins.Sum(b => b.RemainingLength);
+
+        return Ok(new
+        {
+            Bins = bins,
+            ItemsNotPlaced = itemsNotPlaced,
+            Summary = new
+            {
+                TotalBins = result.Bins.Count,
+                TotalPieces = result.Bins.Sum(b => b.Items.Count),
+                TotalMaterialInches = totalMaterial,
+                TotalMaterialFormatted = ArchUnits.FormatFromInches(totalMaterial),
+                TotalUsedInches = totalUsed,
+                TotalUsedFormatted = ArchUnits.FormatFromInches(totalUsed),
+                TotalWasteInches = totalWaste,
+                TotalWasteFormatted = ArchUnits.FormatFromInches(totalWaste),
+                Efficiency = totalMaterial > 0 ? totalUsed / totalMaterial * 100 : 0,
+                ItemsNotPlaced = result.ItemsNotUsed.Count
+            }
+        });
+    }
+
+    [HttpPost("parse-length")]
+    public ActionResult<ParseLengthResponseDto> ParseLength(ParseLengthRequestDto dto)
+    {
+        if (string.IsNullOrWhiteSpace(dto.Input))
+            return BadRequest("Input is required");
+
+        try
+        {
+            var inches = ArchUnits.ParseToInches(dto.Input);
+            return Ok(new ParseLengthResponseDto
+            {
+                Inches = inches,
+                Formatted = ArchUnits.FormatFromInches(inches)
+            });
+        }
+        catch (Exception ex)
+        {
+            return BadRequest($"Could not parse '{dto.Input}': {ex.Message}");
+        }
+    }
+
+    [HttpPost("format-length")]
+    public ActionResult<FormatLengthResponseDto> FormatLength(FormatLengthRequestDto dto)
+    {
+        return Ok(new FormatLengthResponseDto
+        {
+            Inches = dto.Inches,
+            Formatted = ArchUnits.FormatFromInches(dto.Inches)
+        });
+    }
+}
diff --git a/CutList.Web/Controllers/StockItemsController.cs b/CutList.Web/Controllers/StockItemsController.cs
new file mode 100644
index 0000000..0f79dc3
--- /dev/null
+++ b/CutList.Web/Controllers/StockItemsController.cs
@@ -0,0 +1,272 @@
+using CutList.Core.Formatting;
+using CutList.Web.Data.Entities;
+using CutList.Web.DTOs;
+using CutList.Web.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CutList.Web.Controllers;
+
+[ApiController]
+[Route("api/stock-items")]
+public class StockItemsController : ControllerBase
+{
+    private readonly StockItemService _stockItemService;
+    private readonly SupplierService _supplierService;
+
+    public StockItemsController(StockItemService stockItemService, SupplierService supplierService)
+    {
+        _stockItemService = stockItemService;
+        _supplierService = supplierService;
+    }
+
+    [HttpGet]
+    public async Task<ActionResult<List<StockItemDto>>> GetAll(
+        [FromQuery] bool includeInactive = false,
+        [FromQuery] int? materialId = null)
+    {
+        List<StockItem> items;
+        if (materialId.HasValue)
+            items = await _stockItemService.GetByMaterialAsync(materialId.Value, includeInactive);
+        else
+            items = await _stockItemService.GetAllAsync(includeInactive);
+
+        return Ok(items.Select(MapToDto).ToList());
+    }
+
+    [HttpGet("{id}")]
+    public async Task<ActionResult<StockItemDto>> GetById(int id)
+    {
+        var item = await _stockItemService.GetByIdAsync(id);
+        if (item == null)
+            return NotFound();
+
+        return Ok(MapToDto(item));
+    }
+
+    [HttpPost]
+    public async Task<ActionResult<StockItemDto>> Create(CreateStockItemDto dto)
+    {
+        double lengthInches;
+        try
+        {
+            lengthInches = ArchUnits.ParseToInches(dto.Length);
+        }
+        catch
+        {
+            return BadRequest($"Invalid length format: {dto.Length}");
+        }
+
+        var exists = await _stockItemService.ExistsAsync(dto.MaterialId, (decimal)lengthInches);
+        if (exists)
+            return Conflict("A stock item with this material and length already exists");
+
+        var stockItem = new StockItem
+        {
+            MaterialId = dto.MaterialId,
+            LengthInches = (decimal)lengthInches,
+            Name = dto.Name,
+            QuantityOnHand = dto.QuantityOnHand,
+            Notes = dto.Notes
+        };
+
+        await _stockItemService.CreateAsync(stockItem);
+
+        // Reload with includes
+        var created = await _stockItemService.GetByIdAsync(stockItem.Id);
+        return CreatedAtAction(nameof(GetById), new { id = stockItem.Id }, MapToDto(created!));
+    }
+
+    [HttpPut("{id}")]
+    public async Task<ActionResult<StockItemDto>> Update(int id, UpdateStockItemDto dto)
+    {
+        var item = await _stockItemService.GetByIdAsync(id);
+        if (item == null)
+            return NotFound();
+
+        if (dto.Length != null)
+        {
+            try
+            {
+                item.LengthInches = (decimal)ArchUnits.ParseToInches(dto.Length);
+            }
+            catch
+            {
+                return BadRequest($"Invalid length format: {dto.Length}");
+            }
+        }
+
+        if (dto.Name != null) item.Name = dto.Name;
+        if (dto.Notes != null) item.Notes = dto.Notes;
+
+        await _stockItemService.UpdateAsync(item);
+        return Ok(MapToDto(item));
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id)
+    {
+        var item = await _stockItemService.GetByIdAsync(id);
+        if (item == null)
+            return NotFound();
+
+        await _stockItemService.DeleteAsync(id);
+        return NoContent();
+    }
+
+    [HttpGet("by-material/{materialId}")]
+    public async Task<ActionResult<List<StockItemDto>>> GetByMaterial(int materialId)
+    {
+        var items = await _stockItemService.GetByMaterialAsync(materialId);
+        return Ok(items.Select(MapToDto).ToList());
+    }
+
+    [HttpGet("{id}/offerings")]
+    public async Task<ActionResult<List<OfferingDto>>> GetOfferings(int id)
+    {
+        var item = await _stockItemService.GetByIdAsync(id);
+        if (item == null)
+            return NotFound();
+
+        var offerings = await _supplierService.GetOfferingsForStockItemAsync(id);
+        return Ok(offerings.Select(MapOfferingToDto).ToList());
+    }
+
+    [HttpGet("{id}/pricing")]
+    public async Task<ActionResult<StockPricingDto>> GetPricing(int id)
+    {
+        var item = await _stockItemService.GetByIdAsync(id);
+        if (item == null)
+            return NotFound();
+
+        var avgCost = await _stockItemService.GetAverageCostAsync(id);
+        var lastPrice = await _stockItemService.GetLastPurchasePriceAsync(id);
+
+        return Ok(new StockPricingDto
+        {
+            AverageCost = avgCost,
+            LastPurchasePrice = lastPrice
+        });
+    }
+
+    [HttpGet("{id}/transactions")]
+    public async Task<ActionResult<List<StockTransactionDto>>> GetTransactions(int id, [FromQuery] int? limit = null)
+    {
+        var item = await _stockItemService.GetByIdAsync(id);
+        if (item == null)
+            return NotFound();
+
+        var transactions = await _stockItemService.GetTransactionHistoryAsync(id, limit);
+        return Ok(transactions.Select(MapTransactionToDto).ToList());
+    }
+
+    [HttpPost("{id}/receive")]
+    public async Task<ActionResult<StockTransactionDto>> ReceiveStock(int id, AddStockDto dto)
+    {
+        try
+        {
+            var transaction = await _stockItemService.AddStockAsync(id, dto.Quantity, dto.SupplierId, dto.UnitPrice, dto.Notes);
+            return Ok(MapTransactionToDto(transaction));
+        }
+        catch (InvalidOperationException)
+        {
+            return NotFound();
+        }
+    }
+
+    [HttpPost("{id}/use")]
+    public async Task<ActionResult<StockTransactionDto>> UseStock(int id, UseStockDto dto)
+    {
+        try
+        {
+            var transaction = await _stockItemService.UseStockAsync(id, dto.Quantity, dto.JobId, dto.Notes);
+            return Ok(MapTransactionToDto(transaction));
+        }
+        catch (InvalidOperationException)
+        {
+            return NotFound();
+        }
+    }
+
+    [HttpPost("{id}/adjust")]
+    public async Task<ActionResult<StockTransactionDto>> AdjustStock(int id, AdjustStockDto dto)
+    {
+        try
+        {
+            var transaction = await _stockItemService.AdjustStockAsync(id, dto.NewQuantity, dto.Notes);
+            return Ok(MapTransactionToDto(transaction));
+        }
+        catch (InvalidOperationException)
+        {
+            return NotFound();
+        }
+    }
+
+    [HttpPost("{id}/scrap")]
+    public async Task<ActionResult<StockTransactionDto>> ScrapStock(int id, ScrapStockDto dto)
+    {
+        try
+        {
+            var transaction = await _stockItemService.ScrapStockAsync(id, dto.Quantity, dto.Notes);
+            return Ok(MapTransactionToDto(transaction));
+        }
+        catch (InvalidOperationException)
+        {
+            return NotFound();
+        }
+    }
+
+    [HttpPost("{id}/recalculate")]
+    public async Task<ActionResult<object>> RecalculateStock(int id)
+    {
+        try
+        {
+            var newQuantity = await _stockItemService.RecalculateQuantityAsync(id);
+            return Ok(new { QuantityOnHand = newQuantity });
+        }
+        catch (InvalidOperationException)
+        {
+            return NotFound();
+        }
+    }
+
+    private static StockItemDto MapToDto(StockItem s) => new()
+    {
+        Id = s.Id,
+        MaterialId = s.MaterialId,
+        MaterialName = s.Material?.DisplayName ?? string.Empty,
+        LengthInches = s.LengthInches,
+        LengthFormatted = ArchUnits.FormatFromInches((double)s.LengthInches),
+        Name = s.Name,
+        QuantityOnHand = s.QuantityOnHand,
+        Notes = s.Notes,
+        IsActive = s.IsActive
+    };
+
+    private static StockTransactionDto MapTransactionToDto(StockTransaction t) => new()
+    {
+        Id = t.Id,
+        StockItemId = t.StockItemId,
+        Quantity = t.Quantity,
+        Type = t.Type.ToString(),
+        JobId = t.JobId,
+        JobNumber = t.Job?.JobNumber,
+        SupplierId = t.SupplierId,
+        SupplierName = t.Supplier?.Name,
+        UnitPrice = t.UnitPrice,
+        Notes = t.Notes,
+        CreatedAt = t.CreatedAt
+    };
+
+    private static OfferingDto MapOfferingToDto(SupplierOffering o) => new()
+    {
+        Id = o.Id,
+        SupplierId = o.SupplierId,
+        SupplierName = o.Supplier?.Name,
+        StockItemId = o.StockItemId,
+        PartNumber = o.PartNumber,
+        SupplierDescription = o.SupplierDescription,
+        Price = o.Price,
+        Notes = o.Notes,
+        IsActive = o.IsActive
+    };
+}
diff --git a/CutList.Web/Controllers/SuppliersController.cs b/CutList.Web/Controllers/SuppliersController.cs
new file mode 100644
index 0000000..e13ac0e
--- /dev/null
+++ b/CutList.Web/Controllers/SuppliersController.cs
@@ -0,0 +1,172 @@
+using CutList.Core.Formatting;
+using CutList.Web.Data.Entities;
+using CutList.Web.DTOs;
+using CutList.Web.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CutList.Web.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class SuppliersController : ControllerBase
+{
+    private readonly SupplierService _supplierService;
+
+    public SuppliersController(SupplierService supplierService)
+    {
+        _supplierService = supplierService;
+    }
+
+    [HttpGet]
+    public async Task<ActionResult<List<SupplierDto>>> GetAll([FromQuery] bool includeInactive = false)
+    {
+        var suppliers = await _supplierService.GetAllAsync(includeInactive);
+        return Ok(suppliers.Select(MapToDto).ToList());
+    }
+
+    [HttpGet("{id}")]
+    public async Task<ActionResult<SupplierDto>> GetById(int id)
+    {
+        var supplier = await _supplierService.GetByIdAsync(id);
+        if (supplier == null)
+            return NotFound();
+
+        return Ok(MapToDto(supplier));
+    }
+
+    [HttpPost]
+    public async Task<ActionResult<SupplierDto>> Create(CreateSupplierDto dto)
+    {
+        if (string.IsNullOrWhiteSpace(dto.Name))
+            return BadRequest("Name is required");
+
+        var supplier = new Supplier
+        {
+            Name = dto.Name,
+            ContactInfo = dto.ContactInfo,
+            Notes = dto.Notes
+        };
+
+        await _supplierService.CreateAsync(supplier);
+        return CreatedAtAction(nameof(GetById), new { id = supplier.Id }, MapToDto(supplier));
+    }
+
+    [HttpPut("{id}")]
+    public async Task<ActionResult<SupplierDto>> Update(int id, UpdateSupplierDto dto)
+    {
+        var supplier = await _supplierService.GetByIdAsync(id);
+        if (supplier == null)
+            return NotFound();
+
+        if (dto.Name != null) supplier.Name = dto.Name;
+        if (dto.ContactInfo != null) supplier.ContactInfo = dto.ContactInfo;
+        if (dto.Notes != null) supplier.Notes = dto.Notes;
+
+        await _supplierService.UpdateAsync(supplier);
+        return Ok(MapToDto(supplier));
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id)
+    {
+        var supplier = await _supplierService.GetByIdAsync(id);
+        if (supplier == null)
+            return NotFound();
+
+        await _supplierService.DeleteAsync(id);
+        return NoContent();
+    }
+
+    // --- Offerings ---
+
+    [HttpGet("{id}/offerings")]
+    public async Task<ActionResult<List<OfferingDto>>> GetOfferings(int id)
+    {
+        var supplier = await _supplierService.GetByIdAsync(id);
+        if (supplier == null)
+            return NotFound();
+
+        var offerings = await _supplierService.GetOfferingsForSupplierAsync(id);
+        return Ok(offerings.Select(MapOfferingToDto).ToList());
+    }
+
+    [HttpPost("{id}/offerings")]
+    public async Task<ActionResult<OfferingDto>> CreateOffering(int id, CreateOfferingDto dto)
+    {
+        var supplier = await _supplierService.GetByIdAsync(id);
+        if (supplier == null)
+            return NotFound();
+
+        var exists = await _supplierService.OfferingExistsAsync(id, dto.StockItemId);
+        if (exists)
+            return Conflict("An offering for this supplier and stock item already exists");
+
+        var offering = new SupplierOffering
+        {
+            SupplierId = id,
+            StockItemId = dto.StockItemId,
+            PartNumber = dto.PartNumber,
+            SupplierDescription = dto.SupplierDescription,
+            Price = dto.Price,
+            Notes = dto.Notes
+        };
+
+        await _supplierService.AddOfferingAsync(offering);
+
+        // Reload with includes
+        var created = await _supplierService.GetOfferingByIdAsync(offering.Id);
+        return CreatedAtAction(nameof(GetOfferings), new { id }, MapOfferingToDto(created!));
+    }
+
+    [HttpPut("{supplierId}/offerings/{offeringId}")]
+    public async Task<ActionResult<OfferingDto>> UpdateOffering(int supplierId, int offeringId, UpdateOfferingDto dto)
+    {
+        var offering = await _supplierService.GetOfferingByIdAsync(offeringId);
+        if (offering == null || offering.SupplierId != supplierId)
+            return NotFound();
+
+        if (dto.PartNumber != null) offering.PartNumber = dto.PartNumber;
+        if (dto.SupplierDescription != null) offering.SupplierDescription = dto.SupplierDescription;
+        if (dto.Price.HasValue) offering.Price = dto.Price;
+        if (dto.Notes != null) offering.Notes = dto.Notes;
+
+        await _supplierService.UpdateOfferingAsync(offering);
+        return Ok(MapOfferingToDto(offering));
+    }
+
+    [HttpDelete("{supplierId}/offerings/{offeringId}")]
+    public async Task<IActionResult> DeleteOffering(int supplierId, int offeringId)
+    {
+        var offering = await _supplierService.GetOfferingByIdAsync(offeringId);
+        if (offering == null || offering.SupplierId != supplierId)
+            return NotFound();
+
+        await _supplierService.DeleteOfferingAsync(offeringId);
+        return NoContent();
+    }
+
+    private static SupplierDto MapToDto(Supplier s) => new()
+    {
+        Id = s.Id,
+        Name = s.Name,
+        ContactInfo = s.ContactInfo,
+        Notes = s.Notes,
+        IsActive = s.IsActive
+    };
+
+    private static OfferingDto MapOfferingToDto(SupplierOffering o) => new()
+    {
+        Id = o.Id,
+        SupplierId = o.SupplierId,
+        SupplierName = o.Supplier?.Name,
+        StockItemId = o.StockItemId,
+        MaterialName = o.StockItem?.Material?.DisplayName,
+        LengthInches = o.StockItem?.LengthInches,
+        LengthFormatted = o.StockItem != null ? ArchUnits.FormatFromInches((double)o.StockItem.LengthInches) : null,
+        PartNumber = o.PartNumber,
+        SupplierDescription = o.SupplierDescription,
+        Price = o.Price,
+        Notes = o.Notes,
+        IsActive = o.IsActive
+    };
+}
diff --git a/CutList.Web/DTOs/CuttingToolDtos.cs b/CutList.Web/DTOs/CuttingToolDtos.cs
new file mode 100644
index 0000000..bee640f
--- /dev/null
+++ b/CutList.Web/DTOs/CuttingToolDtos.cs
@@ -0,0 +1,24 @@
+namespace CutList.Web.DTOs;
+
+public class CuttingToolDto
+{
+    public int Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public decimal KerfInches { get; set; }
+    public bool IsDefault { get; set; }
+    public bool IsActive { get; set; }
+}
+
+public class CreateCuttingToolDto
+{
+    public string Name { get; set; } = string.Empty;
+    public decimal KerfInches { get; set; }
+    public bool IsDefault { get; set; }
+}
+
+public class UpdateCuttingToolDto
+{
+    public string? Name { get; set; }
+    public decimal? KerfInches { get; set; }
+    public bool? IsDefault { get; set; }
+}
diff --git a/CutList.Web/DTOs/JobDtos.cs b/CutList.Web/DTOs/JobDtos.cs
new file mode 100644
index 0000000..ab37a3b
--- /dev/null
+++ b/CutList.Web/DTOs/JobDtos.cs
@@ -0,0 +1,111 @@
+namespace CutList.Web.DTOs;
+
+public class JobDto
+{
+    public int Id { get; set; }
+    public string JobNumber { get; set; } = string.Empty;
+    public string? Name { get; set; }
+    public string? Customer { get; set; }
+    public int? CuttingToolId { get; set; }
+    public string? CuttingToolName { get; set; }
+    public string? Notes { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime? UpdatedAt { get; set; }
+    public int PartCount { get; set; }
+    public int StockCount { get; set; }
+}
+
+public class JobDetailDto : JobDto
+{
+    public List<JobPartDto> Parts { get; set; } = new();
+    public List<JobStockDto> Stock { get; set; } = new();
+}
+
+public class CreateJobDto
+{
+    public string? Name { get; set; }
+    public string? Customer { get; set; }
+    public int? CuttingToolId { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class UpdateJobDto
+{
+    public string? Name { get; set; }
+    public string? Customer { get; set; }
+    public int? CuttingToolId { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class JobPartDto
+{
+    public int Id { get; set; }
+    public int JobId { get; set; }
+    public int MaterialId { get; set; }
+    public string MaterialName { get; set; } = string.Empty;
+    public string Name { get; set; } = string.Empty;
+    public decimal LengthInches { get; set; }
+    public string LengthFormatted { get; set; } = string.Empty;
+    public int Quantity { get; set; }
+    public int SortOrder { get; set; }
+}
+
+public class CreateJobPartDto
+{
+    public int MaterialId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string Length { get; set; } = string.Empty;
+    public int Quantity { get; set; } = 1;
+}
+
+public class UpdateJobPartDto
+{
+    public int? MaterialId { get; set; }
+    public string? Name { get; set; }
+    public string? Length { get; set; }
+    public int? Quantity { get; set; }
+}
+
+public class JobStockDto
+{
+    public int Id { get; set; }
+    public int JobId { get; set; }
+    public int MaterialId { get; set; }
+    public string MaterialName { get; set; } = string.Empty;
+    public int? StockItemId { get; set; }
+    public decimal LengthInches { get; set; }
+    public string LengthFormatted { get; set; } = string.Empty;
+    public int Quantity { get; set; }
+    public bool IsCustomLength { get; set; }
+    public int Priority { get; set; }
+    public int SortOrder { get; set; }
+}
+
+public class CreateJobStockDto
+{
+    public int MaterialId { get; set; }
+    public int? StockItemId { get; set; }
+    public string Length { get; set; } = string.Empty;
+    public int Quantity { get; set; } = 1;
+    public bool IsCustomLength { get; set; }
+    public int Priority { get; set; } = 10;
+}
+
+public class UpdateJobStockDto
+{
+    public int? StockItemId { get; set; }
+    public string? Length { get; set; }
+    public int? Quantity { get; set; }
+    public bool? IsCustomLength { get; set; }
+    public int? Priority { get; set; }
+}
+
+public class QuickCreateJobDto
+{
+    public string? Customer { get; set; }
+}
+
+public class PackJobRequestDto
+{
+    public decimal? KerfOverride { get; set; }
+}
diff --git a/CutList.Web/DTOs/MaterialDtos.cs b/CutList.Web/DTOs/MaterialDtos.cs
new file mode 100644
index 0000000..bbe5b17
--- /dev/null
+++ b/CutList.Web/DTOs/MaterialDtos.cs
@@ -0,0 +1,53 @@
+namespace CutList.Web.DTOs;
+
+public class MaterialDto
+{
+    public int Id { get; set; }
+    public string Shape { get; set; } = string.Empty;
+    public string Type { get; set; } = string.Empty;
+    public string? Grade { get; set; }
+    public string Size { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public bool IsActive { get; set; }
+    public MaterialDimensionsDto? Dimensions { get; set; }
+}
+
+public class CreateMaterialDto
+{
+    public string Shape { get; set; } = string.Empty;
+    public string? Type { get; set; }
+    public string? Grade { get; set; }
+    public string? Size { get; set; }
+    public string? Description { get; set; }
+    public Dictionary<string, decimal>? Dimensions { get; set; }
+}
+
+public class UpdateMaterialDto
+{
+    public string? Type { get; set; }
+    public string? Grade { get; set; }
+    public string? Size { get; set; }
+    public string? Description { get; set; }
+    public bool? RegenerateSize { get; set; }
+    public Dictionary<string, decimal>? Dimensions { get; set; }
+}
+
+public class BulkCreateResult
+{
+    public int Created { get; set; }
+    public int Skipped { get; set; }
+    public List<string> Errors { get; set; } = new();
+}
+
+public class MaterialDimensionsDto
+{
+    public string DimensionType { get; set; } = string.Empty;
+    public Dictionary<string, decimal> Values { get; set; } = new();
+}
+
+public class MaterialSearchDto
+{
+    public string Shape { get; set; } = string.Empty;
+    public decimal TargetValue { get; set; }
+    public decimal Tolerance { get; set; } = 0.1m;
+}
diff --git a/CutList.Web/DTOs/PackResultDtos.cs b/CutList.Web/DTOs/PackResultDtos.cs
new file mode 100644
index 0000000..2398119
--- /dev/null
+++ b/CutList.Web/DTOs/PackResultDtos.cs
@@ -0,0 +1,66 @@
+namespace CutList.Web.DTOs;
+
+public class PackResponseDto
+{
+    public List<MaterialPackResultDto> Materials { get; set; } = new();
+    public PackingSummaryDto Summary { get; set; } = new();
+}
+
+public class MaterialPackResultDto
+{
+    public int MaterialId { get; set; }
+    public string MaterialName { get; set; } = string.Empty;
+    public List<PackedBinDto> InStockBins { get; set; } = new();
+    public List<PackedBinDto> ToBePurchasedBins { get; set; } = new();
+    public List<PackedItemDto> ItemsNotPlaced { get; set; } = new();
+    public MaterialPackingSummaryDto Summary { get; set; } = new();
+}
+
+public class PackedBinDto
+{
+    public double LengthInches { get; set; }
+    public string LengthFormatted { get; set; } = string.Empty;
+    public double UsedInches { get; set; }
+    public string UsedFormatted { get; set; } = string.Empty;
+    public double WasteInches { get; set; }
+    public string WasteFormatted { get; set; } = string.Empty;
+    public double Efficiency { get; set; }
+    public List<PackedItemDto> Items { get; set; } = new();
+}
+
+public class PackedItemDto
+{
+    public string Name { get; set; } = string.Empty;
+    public double LengthInches { get; set; }
+    public string LengthFormatted { get; set; } = string.Empty;
+}
+
+public class PackingSummaryDto
+{
+    public int TotalInStockBins { get; set; }
+    public int TotalToBePurchasedBins { get; set; }
+    public int TotalPieces { get; set; }
+    public double TotalMaterialInches { get; set; }
+    public string TotalMaterialFormatted { get; set; } = string.Empty;
+    public double TotalUsedInches { get; set; }
+    public string TotalUsedFormatted { get; set; } = string.Empty;
+    public double TotalWasteInches { get; set; }
+    public string TotalWasteFormatted { get; set; } = string.Empty;
+    public double Efficiency { get; set; }
+    public int TotalItemsNotPlaced { get; set; }
+    public List<MaterialPackingSummaryDto> MaterialSummaries { get; set; } = new();
+}
+
+public class MaterialPackingSummaryDto
+{
+    public int MaterialId { get; set; }
+    public string MaterialName { get; set; } = string.Empty;
+    public int InStockBins { get; set; }
+    public int ToBePurchasedBins { get; set; }
+    public int TotalPieces { get; set; }
+    public double TotalMaterialInches { get; set; }
+    public double TotalUsedInches { get; set; }
+    public double TotalWasteInches { get; set; }
+    public double Efficiency { get; set; }
+    public int ItemsNotPlaced { get; set; }
+}
diff --git a/CutList.Web/DTOs/PackingDtos.cs b/CutList.Web/DTOs/PackingDtos.cs
new file mode 100644
index 0000000..43dc6fa
--- /dev/null
+++ b/CutList.Web/DTOs/PackingDtos.cs
@@ -0,0 +1,45 @@
+namespace CutList.Web.DTOs;
+
+public class StandalonePackRequestDto
+{
+    public List<PartInputDto> Parts { get; set; } = new();
+    public List<StockBinInputDto> StockBins { get; set; } = new();
+    public decimal Kerf { get; set; } = 0.125m;
+    public string Strategy { get; set; } = "advanced";
+}
+
+public class PartInputDto
+{
+    public string Name { get; set; } = string.Empty;
+    public string Length { get; set; } = string.Empty;
+    public int Quantity { get; set; } = 1;
+}
+
+public class StockBinInputDto
+{
+    public string Length { get; set; } = string.Empty;
+    public int Quantity { get; set; } = -1;
+    public int Priority { get; set; } = 25;
+}
+
+public class ParseLengthRequestDto
+{
+    public string Input { get; set; } = string.Empty;
+}
+
+public class ParseLengthResponseDto
+{
+    public double Inches { get; set; }
+    public string Formatted { get; set; } = string.Empty;
+}
+
+public class FormatLengthRequestDto
+{
+    public double Inches { get; set; }
+}
+
+public class FormatLengthResponseDto
+{
+    public string Formatted { get; set; } = string.Empty;
+    public double Inches { get; set; }
+}
diff --git a/CutList.Web/DTOs/StockItemDtos.cs b/CutList.Web/DTOs/StockItemDtos.cs
new file mode 100644
index 0000000..c46e585
--- /dev/null
+++ b/CutList.Web/DTOs/StockItemDtos.cs
@@ -0,0 +1,78 @@
+namespace CutList.Web.DTOs;
+
+public class StockItemDto
+{
+    public int Id { get; set; }
+    public int MaterialId { get; set; }
+    public string MaterialName { get; set; } = string.Empty;
+    public decimal LengthInches { get; set; }
+    public string LengthFormatted { get; set; } = string.Empty;
+    public string? Name { get; set; }
+    public int QuantityOnHand { get; set; }
+    public string? Notes { get; set; }
+    public bool IsActive { get; set; }
+}
+
+public class CreateStockItemDto
+{
+    public int MaterialId { get; set; }
+    public string Length { get; set; } = string.Empty;
+    public string? Name { get; set; }
+    public int QuantityOnHand { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class UpdateStockItemDto
+{
+    public string? Length { get; set; }
+    public string? Name { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class StockTransactionDto
+{
+    public int Id { get; set; }
+    public int StockItemId { get; set; }
+    public int Quantity { get; set; }
+    public string Type { get; set; } = string.Empty;
+    public int? JobId { get; set; }
+    public string? JobNumber { get; set; }
+    public int? SupplierId { get; set; }
+    public string? SupplierName { get; set; }
+    public decimal? UnitPrice { get; set; }
+    public string? Notes { get; set; }
+    public DateTime CreatedAt { get; set; }
+}
+
+public class AddStockDto
+{
+    public int Quantity { get; set; }
+    public int? SupplierId { get; set; }
+    public decimal? UnitPrice { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class UseStockDto
+{
+    public int Quantity { get; set; }
+    public int? JobId { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class AdjustStockDto
+{
+    public int NewQuantity { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class ScrapStockDto
+{
+    public int Quantity { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class StockPricingDto
+{
+    public decimal? AverageCost { get; set; }
+    public decimal? LastPurchasePrice { get; set; }
+}
diff --git a/CutList.Web/DTOs/SupplierDtos.cs b/CutList.Web/DTOs/SupplierDtos.cs
new file mode 100644
index 0000000..9c70813
--- /dev/null
+++ b/CutList.Web/DTOs/SupplierDtos.cs
@@ -0,0 +1,57 @@
+namespace CutList.Web.DTOs;
+
+public class SupplierDto
+{
+    public int Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? ContactInfo { get; set; }
+    public string? Notes { get; set; }
+    public bool IsActive { get; set; }
+}
+
+public class CreateSupplierDto
+{
+    public string Name { get; set; } = string.Empty;
+    public string? ContactInfo { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class UpdateSupplierDto
+{
+    public string? Name { get; set; }
+    public string? ContactInfo { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class OfferingDto
+{
+    public int Id { get; set; }
+    public int SupplierId { get; set; }
+    public string? SupplierName { get; set; }
+    public int StockItemId { get; set; }
+    public string? MaterialName { get; set; }
+    public decimal? LengthInches { get; set; }
+    public string? LengthFormatted { get; set; }
+    public string? PartNumber { get; set; }
+    public string? SupplierDescription { get; set; }
+    public decimal? Price { get; set; }
+    public string? Notes { get; set; }
+    public bool IsActive { get; set; }
+}
+
+public class CreateOfferingDto
+{
+    public int StockItemId { get; set; }
+    public string? PartNumber { get; set; }
+    public string? SupplierDescription { get; set; }
+    public decimal? Price { get; set; }
+    public string? Notes { get; set; }
+}
+
+public class UpdateOfferingDto
+{
+    public string? PartNumber { get; set; }
+    public string? SupplierDescription { get; set; }
+    public decimal? Price { get; set; }
+    public string? Notes { get; set; }
+}