diff --git a/ShipyardContracts/BusinessLogicContracts/IComponentLogic.cs b/ShipyardContracts/BusinessLogicContracts/IComponentLogic.cs
new file mode 100644
index 0000000..b304ae4
--- /dev/null
+++ b/ShipyardContracts/BusinessLogicContracts/IComponentLogic.cs
@@ -0,0 +1,14 @@
+using ShipyardContracts.BindingModels;
+using ShipyardContracts.SearchModels;
+using ShipyardContracts.ViewModels;
+namespace ShipyardContracts.BusinessLogicsContracts
+{
+    public interface IComponentLogic
+    {
+        List<ComponentViewModel>? ReadList(ComponentSearchModel? model);
+        ComponentViewModel? ReadElement(ComponentSearchModel model);
+        bool Create(ComponentBindingModel model);
+        bool Update(ComponentBindingModel model);
+        bool Delete(ComponentBindingModel model);
+    }
+}
diff --git a/ShipyardContracts/BusinessLogicContracts/IOrderLogic.cs b/ShipyardContracts/BusinessLogicContracts/IOrderLogic.cs
new file mode 100644
index 0000000..d8bf8f3
--- /dev/null
+++ b/ShipyardContracts/BusinessLogicContracts/IOrderLogic.cs
@@ -0,0 +1,14 @@
+using ShipyardContracts.BindingModels;
+using ShipyardContracts.SearchModels;
+using ShipyardContracts.ViewModels;
+namespace ShipyardContracts.BusinessLogicsContracts
+{
+    public interface IOrderLogic
+    {
+        List<OrderViewModel>? ReadList(OrderSearchModel? model);
+        bool CreateOrder(OrderBindingModel model);
+        bool TakeOrderInWork(OrderBindingModel model);
+        bool FinishOrder(OrderBindingModel model);
+        bool DeliveryOrder(OrderBindingModel model);
+    }
+}
\ No newline at end of file
diff --git a/ShipyardContracts/BusinessLogicContracts/IShipLogic.cs b/ShipyardContracts/BusinessLogicContracts/IShipLogic.cs
new file mode 100644
index 0000000..c1c9ec7
--- /dev/null
+++ b/ShipyardContracts/BusinessLogicContracts/IShipLogic.cs
@@ -0,0 +1,14 @@
+using ShipyardContracts.BindingModels;
+using ShipyardContracts.SearchModels;
+using ShipyardContracts.ViewModels;
+namespace ShipyardContracts.BusinessLogicsContracts
+{
+    public interface IShipLogic
+    {
+        List<ShipViewModel>? ReadList(ShipSearchModel? model);
+        ShipViewModel? ReadElement(ShipSearchModel model);
+        bool Create(ShipBindingModel model);
+        bool Update(ShipBindingModel model);
+        bool Delete(ShipBindingModel model);
+    }
+}