diff --git a/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/CommentSearchModel.cs b/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/CommentSearchModel.cs
index 1378964..3dcc2c0 100644
--- a/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/CommentSearchModel.cs
+++ b/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/CommentSearchModel.cs
@@ -3,6 +3,5 @@
     public class CommentSearchModel
     {
         public int? Id { get; set; }
-        public DateTime? Date { get; set; }
     }
 }
diff --git a/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs b/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs
index 046e6d7..7c72d29 100644
--- a/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs
+++ b/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs
@@ -4,6 +4,7 @@
     {
         public int? Id { get; set; }
         public string? Name { get; set; }
-        public int? StoreKeeperId { get; set; }
+        public int? VendorId { get; set; }
+        public int? Build { get; set; }
     }
 }
diff --git a/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/StoreKeeperSearchModel.cs b/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/StoreKeeperSearchModel.cs
index ed748fe..21c4265 100644
--- a/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/StoreKeeperSearchModel.cs
+++ b/ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/StoreKeeperSearchModel.cs
@@ -4,6 +4,5 @@
     {
         public int? Id { get; set; }
         public string? Login { get; set; }
-        public string? Password { get; set; }
     }
 }
diff --git a/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/CommentStorage.cs b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/CommentStorage.cs
new file mode 100644
index 0000000..a357455
--- /dev/null
+++ b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/CommentStorage.cs
@@ -0,0 +1,77 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class CommentStorage : ICommentStorage
+    {
+        public List<CommentViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Comments
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<CommentViewModel> GetFilteredList(CommentSearchModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Comments
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public CommentViewModel? GetElement(CommentSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Comments
+                .FirstOrDefault(x => x.Id == model.Id)
+                ?.GetViewModel;
+        }
+
+        public CommentViewModel? Insert(CommentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newComment = Comment.Create(model);
+            if (newComment == null)
+            {
+                return null;
+            }
+            context.Comments.Add(newComment);
+            context.SaveChanges();
+            return newComment.GetViewModel;
+        }
+        public CommentViewModel? Update(CommentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Comments.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            element.Update(model);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+
+        public CommentViewModel? Delete(CommentBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Comments.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Comments.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
diff --git a/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ComponentStorage.cs b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ComponentStorage.cs
index 5bb8224..9fdc559 100644
--- a/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ComponentStorage.cs
+++ b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ComponentStorage.cs
@@ -58,14 +58,14 @@ namespace ComputerHardwareStoreDatabaseImplement.Implements
         public ComponentViewModel? Update(ComponentBindingModel model)
         {
             using var context = new ComputerHardwareStoreDBContext();
-            var component = context.Components.FirstOrDefault(c => c.Id == model.Id);
-            if (component == null)
+            var element = context.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
             {
                 return null;
             }
-            component.Update(model);
+            element.Update(model);
             context.SaveChanges();
-            return component.GetViewModel;
+            return element.GetViewModel;
         }
 
         public ComponentViewModel? Delete(ComponentBindingModel model)
diff --git a/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/StoreKeeperStorage.cs b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/StoreKeeperStorage.cs
new file mode 100644
index 0000000..bd4aff8
--- /dev/null
+++ b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/StoreKeeperStorage.cs
@@ -0,0 +1,86 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class StoreKeeperStorage : IStoreKeeperStorage
+    {
+        public StoreKeeperViewModel? GetElement(StoreKeeperSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.StoreKeepers
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Login)
+                && x.Login == model.Login)
+                || (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public List<StoreKeeperViewModel> GetFilteredList(StoreKeeperSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.StoreKeepers
+                .Where(x => x.Login.Contains(model.Login))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<StoreKeeperViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.StoreKeepers
+                .Include(x => x.Components)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public StoreKeeperViewModel? Insert(StoreKeeperBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newStoreKeeper = StoreKeeper.Create(context, model);
+            if (newStoreKeeper == null)
+            {
+                return null;
+            }
+            context.StoreKeepers.Add(newStoreKeeper);
+            context.SaveChanges();
+            return newStoreKeeper.GetViewModel;
+        }
+
+        public StoreKeeperViewModel? Update(StoreKeeperBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.StoreKeepers.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            element.Update(model);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+        public StoreKeeperViewModel? Delete(StoreKeeperBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.StoreKeepers.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.StoreKeepers.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
diff --git a/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/Vendor.cs b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/Vendor.cs
new file mode 100644
index 0000000..1e74a2a
--- /dev/null
+++ b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/Vendor.cs
@@ -0,0 +1,84 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class VendorStorage : IVendorStorage
+    {
+        public VendorViewModel? GetElement(VendorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Vendors
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Login)
+                && x.Login == model.Login)
+                || (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public List<VendorViewModel> GetFilteredList(VendorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Vendors
+                .Where(x => x.Login.Contains(model.Login))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<VendorViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Vendors
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public VendorViewModel? Insert(VendorBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newVendor = Vendor.Create(context, model);
+            if (newVendor == null)
+            {
+                return null;
+            }
+            context.Vendors.Add(newVendor);
+            context.SaveChanges();
+            return newVendor.GetViewModel;
+        }
+
+        public VendorViewModel? Update(VendorBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Vendors.FirstOrDefault(x => x.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            element.Update(model);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+        public VendorViewModel? Delete(VendorBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Vendors.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Vendors.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
diff --git a/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Component.cs b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Component.cs
index e26f654..4acbece 100644
--- a/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Component.cs
+++ b/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Component.cs
@@ -14,13 +14,13 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
         [Required]
         public double Cost { get; set; }
         [Required]
-        public virtual StoreKeeper? StoreKeeper { get; set; }
+        public virtual StoreKeeper? StoreKeeperЗЛ { get; set; }
         [NotMapped]
-        IStoreKeeperModel IComponentModel.StoreKeeper => throw new NotImplementedException();
+        public IStoreKeeperModel? StoreKeeper { get; set; }
 
         [ForeignKey("ComponentId")]
         public virtual List<ProductComponent> ProductComponents { get; set; } = new();
-        public static Component? Create(ComputerHardwareStoreDBContext context, ComponentBindingModel model)
+        public static Component? Create(ComponentBindingModel model)
         {
             if (model == null)
             {
@@ -31,7 +31,7 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
                 Id = model.Id,
                 Name = model.Name,
                 Cost = model.Cost,
-                StoreKeeper = context.StoreKeepers.First(x => x.Id == model.StoreKeeper.Id)
+                StoreKeeper = model.StoreKeeper
             };
         }
         public void Update (ComponentBindingModel model)