diff --git a/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs b/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs
index 67fe0d6..55b9bf9 100644
--- a/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs
+++ b/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.BindingModels
 {
-    internal class HeadsetModuleBindingModel : IHeadsetModuleModel
+    public class HeadsetModuleBindingModel : IHeadsetModuleModel
     {
         public string Style { get; set; } = string.Empty;
 
diff --git a/FurnitureFactory/FurnitureContracts/BindingModels/MaterialBindingModel.cs b/FurnitureFactory/FurnitureContracts/BindingModels/MaterialBindingModel.cs
index 9ee9759..1e3e2c0 100644
--- a/FurnitureFactory/FurnitureContracts/BindingModels/MaterialBindingModel.cs
+++ b/FurnitureFactory/FurnitureContracts/BindingModels/MaterialBindingModel.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.BindingModels
 {
-    internal class MaterialBindingModel : IMaterialModel
+    public class MaterialBindingModel : IMaterialModel
     {
         public string Name { get; set; } = string.Empty;
 
diff --git a/FurnitureFactory/FurnitureContracts/BindingModels/UserBindingModel.cs b/FurnitureFactory/FurnitureContracts/BindingModels/UserBindingModel.cs
index 9aacac6..14c44bc 100644
--- a/FurnitureFactory/FurnitureContracts/BindingModels/UserBindingModel.cs
+++ b/FurnitureFactory/FurnitureContracts/BindingModels/UserBindingModel.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 using FurnitureFactoryDataModels.Models;
 namespace FurnitureContracts.BindingModels
 {
-    internal class UserBindingModel : IUserModel
+    public class UserBindingModel : IUserModel
     {
         public int Login { get; set; }
 
diff --git a/FurnitureFactory/FurnitureContracts/SearchModels/HeadsetModuleSearchModel.cs b/FurnitureFactory/FurnitureContracts/SearchModels/HeadsetModuleSearchModel.cs
index 3455e8b..fbefb85 100644
--- a/FurnitureFactory/FurnitureContracts/SearchModels/HeadsetModuleSearchModel.cs
+++ b/FurnitureFactory/FurnitureContracts/SearchModels/HeadsetModuleSearchModel.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.SearchModels
 {
-    internal class HeadsetModuleSearchModel
+    public class HeadsetModuleSearchModel
     {
         public string? Name { get; set; }
         public int? Id { get; set; }
diff --git a/FurnitureFactory/FurnitureContracts/SearchModels/UserSearchModel.cs b/FurnitureFactory/FurnitureContracts/SearchModels/UserSearchModel.cs
index b57875a..7b9128f 100644
--- a/FurnitureFactory/FurnitureContracts/SearchModels/UserSearchModel.cs
+++ b/FurnitureFactory/FurnitureContracts/SearchModels/UserSearchModel.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.SearchModels
 {
-    internal class UserSearchModel
+    public class UserSearchModel
     {
         public string? Name { get; set; }
         public int? Id { get; set; }
diff --git a/FurnitureFactory/FurnitureContracts/StoragesContracts/IFurnitureStorage.cs b/FurnitureFactory/FurnitureContracts/StoragesContracts/IFurnitureStorage.cs
new file mode 100644
index 0000000..ffbe072
--- /dev/null
+++ b/FurnitureFactory/FurnitureContracts/StoragesContracts/IFurnitureStorage.cs
@@ -0,0 +1,26 @@
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureContracts.StoragesContracts
+{
+    public interface IFurnitureStorage
+    {
+        List<FurnitureViewModel> GetFullList();
+
+        List<FurnitureViewModel> GetFilteredList(FurnitureSearchModel model);
+
+        FurnitureViewModel? GetElement(FurnitureSearchModel model);
+
+        FurnitureViewModel? Insert(FurnitureBindingModel model);
+
+        FurnitureViewModel? Update(FurnitureBindingModel model);
+
+        FurnitureViewModel? Delete(FurnitureBindingModel model);
+    }
+}
diff --git a/FurnitureFactory/FurnitureContracts/StoragesContracts/IHeadsetModuleStorage.cs b/FurnitureFactory/FurnitureContracts/StoragesContracts/IHeadsetModuleStorage.cs
new file mode 100644
index 0000000..3b7deef
--- /dev/null
+++ b/FurnitureFactory/FurnitureContracts/StoragesContracts/IHeadsetModuleStorage.cs
@@ -0,0 +1,26 @@
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureContracts.StoragesContracts
+{
+    public interface IHeadsetModuleStorage
+    {
+        List<HeadsetModuleViewModel> GetFullList();
+
+        List<HeadsetModuleViewModel> GetFilteredList(HeadsetModuleSearchModel model);
+
+        HeadsetModuleViewModel? GetElement(HeadsetModuleSearchModel model);
+
+        HeadsetModuleViewModel? Insert(HeadsetModuleBindingModel model);
+
+        HeadsetModuleViewModel? Update(HeadsetModuleBindingModel model);
+
+        HeadsetModuleViewModel? Delete(HeadsetModuleBindingModel model);
+    }
+}
diff --git a/FurnitureFactory/FurnitureContracts/StoragesContracts/IMaterialStorage.cs b/FurnitureFactory/FurnitureContracts/StoragesContracts/IMaterialStorage.cs
new file mode 100644
index 0000000..2721239
--- /dev/null
+++ b/FurnitureFactory/FurnitureContracts/StoragesContracts/IMaterialStorage.cs
@@ -0,0 +1,26 @@
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureContracts.StoragesContracts
+{
+    public interface IMaterialStorage
+    {
+        List<MaterialViewModel> GetFullList();
+
+        List<MaterialViewModel> GetFilteredList(MaterialSearchModel model);
+
+        MaterialViewModel? GetElement(MaterialSearchModel model);
+
+        MaterialViewModel? Insert(MaterialBindingModel model);
+
+        MaterialViewModel? Update(MaterialBindingModel model);
+
+        MaterialViewModel? Delete(MaterialBindingModel model);
+    }
+}
diff --git a/FurnitureFactory/FurnitureContracts/StoragesContracts/IUserStorage.cs b/FurnitureFactory/FurnitureContracts/StoragesContracts/IUserStorage.cs
new file mode 100644
index 0000000..0e43e91
--- /dev/null
+++ b/FurnitureFactory/FurnitureContracts/StoragesContracts/IUserStorage.cs
@@ -0,0 +1,21 @@
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.ViewModel;
+
+namespace FurnitureContracts.StoragesContracts
+{
+    public interface IUserStorage
+    {
+        List<UserViewModel> GetFullList();
+
+        List<UserViewModel> GetFilteredList(UserSearchModel model);
+
+        UserViewModel? GetElement(UserSearchModel model);
+
+        UserViewModel? Insert(UserBindingModel model);
+
+        UserViewModel? Update(UserBindingModel model);
+
+        UserViewModel? Delete(UserBindingModel model);
+    }
+}
diff --git a/FurnitureFactory/FurnitureContracts/ViewModel/UserViewModel.cs b/FurnitureFactory/FurnitureContracts/ViewModel/UserViewModel.cs
index aa3ac44..6b2d180 100644
--- a/FurnitureFactory/FurnitureContracts/ViewModel/UserViewModel.cs
+++ b/FurnitureFactory/FurnitureContracts/ViewModel/UserViewModel.cs
@@ -8,7 +8,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.ViewModel
 {
-    internal class UserViewModel : IUserModel
+    public class UserViewModel : IUserModel
     {
         [DisplayName("Логин")]
         public int Login { get; set; }