diff --git a/MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/TourBusinessLogicContractTests.cs b/MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/TourBusinessLogicContractTests.cs
index c02d853..fc373d8 100644
--- a/MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/TourBusinessLogicContractTests.cs
+++ b/MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/TourBusinessLogicContractTests.cs
@@ -39,9 +39,9 @@ internal class TourBusinessLogicContractTests
         //Arrange
         var listOriginal = new List<TourDataModel>()
         {
-            new(Guid.NewGuid().ToString(), "name 1", "country1", 15.5, TourType.Ski, [],[]),
-            new(Guid.NewGuid().ToString(), "name 2", "country2", 10.1, TourType.Sightseeing,[],[]),
-            new(Guid.NewGuid().ToString(), "name 3", "country3", 13.9, TourType.Beach,[],[]),
+            new(Guid.NewGuid().ToString(), "name 1", "country1", 15.5, TourType.Ski),
+            new(Guid.NewGuid().ToString(), "name 2", "country2", 10.1, TourType.Sightseeing),
+            new(Guid.NewGuid().ToString(), "name 3", "country3", 13.9, TourType.Beach),
         };
         _tourStorageContract.Setup(x => x.GetList()).Returns(listOriginal);
         //Act
@@ -155,7 +155,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var id = Guid.NewGuid().ToString();
-        var record = new TourDataModel(id, "name", "country", 10, TourType.Ski, [], []);
+        var record = new TourDataModel(id, "name", "country", 10, TourType.Ski);
         _tourStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(id);
@@ -170,7 +170,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var name = "name";
-        var record = new TourDataModel(Guid.NewGuid().ToString(), name, "country", 10, TourType.Ski, [], []);
+        var record = new TourDataModel(Guid.NewGuid().ToString(), name, "country", 10, TourType.Ski);
         _tourStorageContract.Setup(x => x.GetElementByName(name)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(name);
@@ -184,7 +184,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var country = "country";
-        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", country, 10, TourType.Ski, [], []);  
+        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", country, 10, TourType.Ski);  
         _tourStorageContract.Setup(x => x.GetElementByName(country)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(country);
@@ -245,9 +245,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new TourDataModel(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
-        _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<TourDataModel>())).Returns(true);
+        var record = new TourDataModel(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski);
         _tourStorageContract.Setup(x => x.AddElement(It.IsAny<TourDataModel>()))
             .Callback((TourDataModel x) =>
             {
@@ -257,7 +255,6 @@ internal class TourBusinessLogicContractTests
         //Act
         _tourBusinessLogicContract.InsertTour(record);
         //Assert
-        _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<TourDataModel>()), Times.Once);
         _tourStorageContract.Verify(x => x.AddElement(It.IsAny<TourDataModel>()), Times.Once);
         Assert.That(flag);
     }
@@ -268,8 +265,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.AddElement(It.IsAny<TourDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski)), Throws.TypeOf<ElementExistsException>());
         _tourStorageContract.Verify(x => x.AddElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 
@@ -285,7 +281,7 @@ internal class TourBusinessLogicContractTests
     public void InsertTour_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel("id", "name", "country", 10, TourType.Ski, [], [])), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel("id", "name", "country", 10, TourType.Ski)), Throws.TypeOf<ValidationException>());
         _tourStorageContract.Verify(x => x.AddElement(It.IsAny<TourDataModel>()), Times.Never);
     }
 
@@ -293,8 +289,7 @@ internal class TourBusinessLogicContractTests
     public void InsertTour_StorageThrowError_ThrowException_Test()
     {
         //Arrange
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name","country", 10, TourType.Ski,
-            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)], [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<InsufficientException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name","country", 10, TourType.Ski)), Throws.TypeOf<InsufficientException>());
         //Act&Assert
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
     }
@@ -303,8 +298,7 @@ internal class TourBusinessLogicContractTests
     public void InsertFurniture_InsufficientError_ThrowException_Test()
     {
         //Arrange
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])),Throws.TypeOf<InsufficientException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)),Throws.TypeOf<InsufficientException>());
         //Act&Assert
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
     }
@@ -314,8 +308,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski);
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>()))
             .Callback((TourDataModel x) =>
             {
@@ -335,8 +328,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>())).Throws(new ElementNotFoundException(""));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementNotFoundException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf<ElementNotFoundException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 
@@ -346,8 +338,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf <ElementExistsException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf <ElementExistsException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 
@@ -363,8 +354,7 @@ internal class TourBusinessLogicContractTests
     public void UpdateTour_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new TourDataModel("id", "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new TourDataModel("id", "name", "country", 10, TourType.Ski)), Throws.TypeOf<ValidationException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
     }
 
@@ -374,8 +364,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>())).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf<StorageException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 
diff --git a/MagicCarpetProject/MagicCarpetTests/DataModelTests/TourDataModelTests.cs b/MagicCarpetProject/MagicCarpetTests/DataModelTests/TourDataModelTests.cs
index 40dc4fe..8971464 100644
--- a/MagicCarpetProject/MagicCarpetTests/DataModelTests/TourDataModelTests.cs
+++ b/MagicCarpetProject/MagicCarpetTests/DataModelTests/TourDataModelTests.cs
@@ -15,78 +15,49 @@ internal class TourDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var cocktail = CreateDataModel(null, "name", "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(string.Empty, "name", "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel(null, "name", "country", 10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
+        tour = CreateDataModel(string.Empty, "name", "country", 10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var cocktail = CreateDataModel("id", "name", "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel("id", "name", "country", 10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void TourNameIsNullOrEmptyTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, "country", 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "country", 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
     }
     public void TourCountryIsNullOrEmptyTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", null, 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", null, 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", string.Empty, 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", string.Empty, 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void PriceIsLessOrZeroTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, string.Empty, -10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
+        tour = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, string.Empty, -10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void TourTypeIsNoneTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-    }
-    [Test]
-    public void SuppliesIsEmptyOrNullTest()
-    {
-        var model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, [], CreateAgencyDataModel());
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
-
-        model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, null, CreateAgencyDataModel());
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
-    }
-
-    [Test]
-    public void AgencyIsEmptyOrNullTest()
-    {
-        var model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, CreateSuppliesDataModel(), []);
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
-
-        model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, CreateSuppliesDataModel(), null);
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
@@ -99,7 +70,7 @@ internal class TourDataModelTests
         var tourType = TourType.Ski;
         var supplies = CreateSuppliesDataModel();
         var agency = CreateAgencyDataModel();
-        var tour = CreateDataModel(tourId, tourName, tourCountry, price, tourType, supplies, agency);
+        var tour = CreateDataModel(tourId, tourName, tourCountry, price, tourType);
         Assert.That(() => tour.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
         {
@@ -108,14 +79,11 @@ internal class TourDataModelTests
             Assert.That(tour.TourCountry, Is.EqualTo(tourCountry));
             Assert.That(tour.Price, Is.EqualTo(price));
             Assert.That(tour.Type, Is.EqualTo(tourType));
-            Assert.That(tour.Supplies, Is.EqualTo(supplies));
-            Assert.That(tour.Agency, Is.EqualTo(agency));
         });
     }
 
-    private static TourDataModel CreateDataModel(string? id, string? tourName, string? countryName, double price, TourType tourType,
-         List<TourSuppliesDataModel> supplies, List<TourAgencyDataModel> agency) =>
-        new(id, tourName, countryName,price, tourType, supplies, agency);
+    private static TourDataModel CreateDataModel(string? id, string? tourName, string? countryName, double price, TourType tourType) =>
+        new(id, tourName, countryName,price, tourType);
     private static List<TourSuppliesDataModel> CreateSuppliesDataModel()
                 => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
 
diff --git a/MagicCarpetProject/MagicCarpetTests/MagicCarpetTests.csproj b/MagicCarpetProject/MagicCarpetTests/MagicCarpetTests.csproj
index 26c8651..20cfb9f 100644
--- a/MagicCarpetProject/MagicCarpetTests/MagicCarpetTests.csproj
+++ b/MagicCarpetProject/MagicCarpetTests/MagicCarpetTests.csproj
@@ -11,6 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="NUnit" Version="3.14.0" />
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/AgencyStorageContractTests.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/AgencyStorageContractTests.cs
new file mode 100644
index 0000000..4a1002b
--- /dev/null
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/AgencyStorageContractTests.cs
@@ -0,0 +1,215 @@
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetDatabase.Implementations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MagicCarpetDatabase.Models;
+using MagicCarpetContracts.Enums;
+using Microsoft.EntityFrameworkCore;
+using MagicCarpetContracts.DataModels;
+
+namespace MagicCarpetTests.StoragesContractsTests;
+
+[TestFixture]
+internal class AgencyStorageContractTests : BaseStorageContractTest
+{
+    private AgencyStorageContract _agencyStorageContract;
+    private Tour _tour;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _agencyStorageContract = new AgencyStorageContract(MagicCarpetDbContext);
+        _tour = InsertTourToDatabaseAndReturn(Guid.NewGuid().ToString(), "name", TourType.Sightseeing);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Agencies\" CASCADE;");
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Tours\" CASCADE;");
+    }
+
+    [Test]
+    public void Try_GetList_WhenHaveRecords_Test()
+    {
+        var agency = InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        var list = _agencyStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(3));
+        AssertElement(list.First(), agency);
+    }
+
+    [Test]
+    public void Try_GetList_WhenNoRecords_Test()
+    {
+        var list = _agencyStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.Empty);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenHaveRecord_Test()
+    {
+        var agency = InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        var result = _agencyStorageContract.GetElementById(agency.Id);
+        AssertElement(result, agency);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenNoRecord_Test()
+    {
+        Assert.That(() => _agencyStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenValidData_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        _agencyStorageContract.AddElement(agency);
+        var result = GetAgencyFromDatabaseById(agency.Id);
+        AssertElement(result, agency);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenHaveRecordWithSameId_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        InsertAgencyToDatabaseAndReturn(agency.Id, TourType.Sightseeing, 5, [(_tour.Id, 3)]);
+        Assert.That(() => _agencyStorageContract.AddElement(agency), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_AddElement_WhenNoHaveTour_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 0, [_tour.Id]);
+        InsertAgencyToDatabaseAndReturn(agency.Id, TourType.Sightseeing, 5, [(_tour.Id, 3)]);
+        Assert.That(() => _agencyStorageContract.AddElement(agency), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenValidData_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        InsertAgencyToDatabaseAndReturn(agency.Id, TourType.Ski, 10, null);
+        _agencyStorageContract.UpdElement(agency);
+        var result = GetAgencyFromDatabaseById(agency.Id);
+        AssertElement(result, agency);
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenNoRecordWithThisId_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        Assert.That(() => _agencyStorageContract.UpdElement(agency), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    [Test]
+    public void Try_DelElement_WhenRecordExists_Test()
+    {
+        var agency = InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        _agencyStorageContract.DelElement(agency.Id);
+        var result = GetAgencyFromDatabaseById(agency.Id);
+        Assert.That(result, Is.Null);
+    }
+
+    [Test]
+    public void Try_DelElement_WhenRecordDoesNotExist_ThrowsElementNotFoundException()
+    {
+        Assert.That(() => _agencyStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    private Tour InsertTourToDatabaseAndReturn(string id, string name, TourType type)
+    {
+        var tour = new Tour { Id = id, TourName = name, Type = type };
+        MagicCarpetDbContext.Tours.Add(tour);
+        MagicCarpetDbContext.SaveChanges();
+        return tour;
+    }
+
+    private Agency InsertAgencyToDatabaseAndReturn(string id, TourType type, int count, List<(string, int)>? tours = null)
+    {
+        var agency = new Agency { Id = id, Type = type, Count = count, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                agency.Tours.Add(new TourAgency { AgencyId = agency.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        MagicCarpetDbContext.Agencies.Add(agency);
+        MagicCarpetDbContext.SaveChanges();
+        return agency;
+    }
+
+    private static void AssertElement(AgencyDataModel? actual, Agency expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Type, Is.EqualTo(expected.Type));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static void AssertElement(Agency? actual, AgencyDataModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Type, Is.EqualTo(expected.Type));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static AgencyDataModel CreateModel(string id, TourType type, int count, List<string> toursIds)
+    {
+        var tours = toursIds.Select(x => new TourAgencyDataModel(id, x, 1)).ToList();
+        return new(id, type, count, tours);
+    }
+
+    private Agency? GetAgencyFromDatabaseById(string id)
+    {
+        return MagicCarpetDbContext.Agencies.FirstOrDefault(x => x.Id == id);
+    }
+}
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/BaseStorageContractTest.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/BaseStorageContractTest.cs
index cb7e27d..93a2d52 100644
--- a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/BaseStorageContractTest.cs
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/BaseStorageContractTest.cs
@@ -6,7 +6,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 internal abstract class BaseStorageContractTest
 {
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/ClientStorageContractTests.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/ClientStorageContractTests.cs
index 75d9300..fa3957d 100644
--- a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/ClientStorageContractTests.cs
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/ClientStorageContractTests.cs
@@ -1,7 +1,6 @@
 using MagicCarpetContracts.DataModels;
 using MagicCarpetContracts.Enums;
 using MagicCarpetContracts.Exceptions;
-using MagicCarpetContracts.StoragesContracts;
 using MagicCarpetDatabase.Implementations;
 using MagicCarpetDatabase.Models;
 using Microsoft.EntityFrameworkCore;
@@ -11,7 +10,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class ClientStorageContractTests : BaseStorageContractTest
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/EmployeeStorageContractTests.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/EmployeeStorageContractTests.cs
index b681340..81a0dfd 100644
--- a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/EmployeeStorageContractTests.cs
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/EmployeeStorageContractTests.cs
@@ -9,7 +9,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 class EmployeeStorageContractTests : BaseStorageContractTest
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SalaryStorageContractTests.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SalaryStorageContractTests.cs
index 1f2295c..8999f8a 100644
--- a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SalaryStorageContractTests.cs
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SalaryStorageContractTests.cs
@@ -8,7 +8,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class SalaryStorageContractTests : BaseStorageContractTest
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SaleStorageContractTests.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SaleStorageContractTests.cs
index 7f9873d..f3dd75b 100644
--- a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SaleStorageContractTests.cs
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SaleStorageContractTests.cs
@@ -11,7 +11,7 @@ using System.Text;
 using System.Threading.Tasks;
 using static NUnit.Framework.Internal.OSPlatform;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class SaleStorageContractTests : BaseStorageContractTest
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SuppliesStorageContractTests.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SuppliesStorageContractTests.cs
new file mode 100644
index 0000000..db458ba
--- /dev/null
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SuppliesStorageContractTests.cs
@@ -0,0 +1,191 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetDatabase.Implementations;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.StoragesContractsTests;
+
+[TestFixture]
+internal class SuppliesStorageContractTests : BaseStorageContractTest
+{
+    private SuppliesStorageContract _suppliesStorageContract;
+    private Tour _tour;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _suppliesStorageContract = new SuppliesStorageContract(MagicCarpetDbContext);
+        _tour = InsertTourToDatabaseAndReturn();
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Supplieses\" CASCADE;");
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Tours\" CASCADE;");
+    }
+
+    [Test]
+    public void Try_GetList_WhenHaveRecords_Test()
+    {
+        var supply = InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        var list = _suppliesStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(3));
+        AssertElement(list.First(), supply);
+    }
+
+    [Test]
+    public void Try_GetList_WhenNoRecords_Test()
+    {
+        var list = _suppliesStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.Empty);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenHaveRecord_Test()
+    {
+        var supply = InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        AssertElement(_suppliesStorageContract.GetElementById(supply.Id), supply);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenNoRecord_Test()
+    {
+        Assert.That(() => _suppliesStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
+    }
+
+    [Test]
+    public void Try_AddElement_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id]);
+        _suppliesStorageContract.AddElement(supply);
+        AssertElement(GetSupplyFromDatabaseById(supply.Id), supply);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenHaveRecordWithSameId_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id]);
+        InsertSupplyToDatabaseAndReturn(supply.Id, TourType.Ski, 5, [(_tour.Id, 3)]);
+        Assert.That(() => _suppliesStorageContract.AddElement(supply), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_UpdElement_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id]);
+        InsertSupplyToDatabaseAndReturn(supply.Id, TourType.Ski, 5, null);
+        _suppliesStorageContract.UpdElement(supply);
+        AssertElement(GetSupplyFromDatabaseById(supply.Id), supply);
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenNoRecordWithThisId_Test()
+    {
+        Assert.That(() => _suppliesStorageContract.UpdElement(CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id])), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    private Tour InsertTourToDatabaseAndReturn()
+    {
+        var tour = new Tour { Id = Guid.NewGuid().ToString(), TourName = "Test Tour", Type = TourType.Ski };
+        MagicCarpetDbContext.Tours.Add(tour);
+        MagicCarpetDbContext.SaveChanges();
+        return tour;
+    }
+
+    private Supplies InsertSupplyToDatabaseAndReturn(string id, TourType type, int count, List<(string, int)>? tours = null)
+    {
+        var supply = new Supplies { Id = id, Type = type, ProductuionDate = DateTime.UtcNow, Count = count, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                supply.Tours.Add(new TourSupplies { SuppliesId = supply.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        MagicCarpetDbContext.Supplieses.Add(supply);
+        MagicCarpetDbContext.SaveChanges();
+        return supply;
+    }
+
+    private static void AssertElement(SuppliesDataModel? actual, Supplies expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Type, Is.EqualTo(expected.Type));
+            Assert.That(actual.ProductuionDate, Is.EqualTo(expected.ProductuionDate));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static void AssertElement(Supplies? actual, SuppliesDataModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Type, Is.EqualTo(expected.Type));
+            Assert.That(actual.ProductuionDate, Is.EqualTo(expected.ProductuionDate));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static SuppliesDataModel CreateModel(string id, TourType type, int count, List<string> toursIds)
+    {
+        var tours = toursIds.Select(x => new TourSuppliesDataModel(id, x, 1)).ToList();
+        return new(id, type, DateTime.UtcNow, count, tours);
+    }
+
+
+    private Supplies? GetSupplyFromDatabaseById(string id)
+    {
+        return MagicCarpetDbContext.Supplieses.FirstOrDefault(x => x.Id == id);
+    }
+}
diff --git a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/TourStorageContractTests.cs b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/TourStorageContractTests.cs
index 3b97dae..c22fe8c 100644
--- a/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/TourStorageContractTests.cs
+++ b/MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/TourStorageContractTests.cs
@@ -12,7 +12,7 @@ using System.Text;
 using System.Threading.Tasks;
 using static NUnit.Framework.Internal.OSPlatform;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class TourStorageContractTests : BaseStorageContractTest