diff --git a/CarCenter/CarCenterContracts/StoragesContracts/IOrderStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/IOrderStorage.cs
new file mode 100644
index 0000000..d169e19
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/IOrderStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface IOrderStorage
+	{
+		List<OrderViewModel> GetFullList();
+		List<OrderViewModel> GetFilteredList(OrderSearchModel model);
+		OrderViewModel? GetElement(OrderSearchModel model);
+		OrderViewModel? Insert(OrderBindingModel model);
+		OrderViewModel? Update(OrderBindingModel model);
+		OrderViewModel? Delete(OrderBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/StoragesContracts/IPresaleStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/IPresaleStorage.cs
new file mode 100644
index 0000000..5ffe2f1
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/IPresaleStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface IPresaleStorage
+	{
+		List<PresaleViewModel> GetFullList();
+		List<PresaleViewModel> GetFilteredList(PresaleSearchModel model);
+		PresaleViewModel? GetElement(PresaleSearchModel model);
+		PresaleViewModel? Insert(PresaleBindingModel model);
+		PresaleViewModel? Update(PresaleBindingModel model);
+		PresaleViewModel? Delete(PresaleBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/StoragesContracts/IRequestStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/IRequestStorage.cs
new file mode 100644
index 0000000..c9e2f91
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/IRequestStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface IRequestStorage
+	{
+		List<RequestViewModel> GetFullList();
+		List<RequestViewModel> GetFilteredList(RequestSearchModel model);
+		RequestViewModel? GetElement(RequestSearchModel model);
+		RequestViewModel? Insert(RequestBindingModel model);
+		RequestViewModel? Update(RequestBindingModel model);
+		RequestViewModel? Delete(RequestBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/StoragesContracts/IWorkerStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/IWorkerStorage.cs
new file mode 100644
index 0000000..c09d6fd
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/IWorkerStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface IWorkerStorage
+	{
+		List<WorkerViewModel> GetFullList();
+		List<WorkerViewModel> GetFilteredList(WorkerSearchModel model);
+		WorkerViewModel? GetElement(WorkerSearchModel model);
+		WorkerViewModel? Insert(WorkerBindingModel model);
+		WorkerViewModel? Update(WorkerBindingModel model);
+		WorkerViewModel? Delete(WorkerBindingModel model);
+	}
+}