diff --git a/CutList.Web/Data/Entities/StockItem.cs b/CutList.Web/Data/Entities/StockItem.cs
new file mode 100644
index 0000000..95d17d3
--- /dev/null
+++ b/CutList.Web/Data/Entities/StockItem.cs
@@ -0,0 +1,15 @@
+namespace CutList.Web.Data.Entities;
+
+public class StockItem
+{
+    public int Id { get; set; }
+    public int MaterialId { get; set; }
+    public decimal LengthInches { get; set; }
+    public string? Name { get; set; }
+    public bool IsActive { get; set; } = true;
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime? UpdatedAt { get; set; }
+
+    public Material Material { get; set; } = null!;
+    public ICollection<SupplierOffering> SupplierOfferings { get; set; } = new List<SupplierOffering>();
+}
diff --git a/CutList.Web/Data/Entities/SupplierOffering.cs b/CutList.Web/Data/Entities/SupplierOffering.cs
new file mode 100644
index 0000000..f85ff55
--- /dev/null
+++ b/CutList.Web/Data/Entities/SupplierOffering.cs
@@ -0,0 +1,16 @@
+namespace CutList.Web.Data.Entities;
+
+public class SupplierOffering
+{
+    public int Id { get; set; }
+    public int StockItemId { get; set; }
+    public int SupplierId { 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; } = true;
+
+    public StockItem StockItem { get; set; } = null!;
+    public Supplier Supplier { get; set; } = null!;
+}