diff --git a/CarCenter/CarCenterDataBaseImplement/Implements/AdministratorStorage.cs b/CarCenter/CarCenterDataBaseImplement/Implements/AdministratorStorage.cs
new file mode 100644
index 0000000..e965e31
--- /dev/null
+++ b/CarCenter/CarCenterDataBaseImplement/Implements/AdministratorStorage.cs
@@ -0,0 +1,127 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using CarCenterDataBaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterDataBaseImplement.Implements
+{
+    public class AdministratorStorage : IAdministratorStorage
+    {
+        public List<AdministratorViewModel> GetFullList()
+        {
+            using var context = new CarCenterDataBase();
+
+            return context.Administrators
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<AdministratorViewModel> GetFilteredList(AdministratorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.AdministratorFIO))
+            {
+                return new();
+            }
+
+            using var context = new CarCenterDataBase();
+
+            return context.Administrators
+                .Include(x => x.Inspections)
+                .Include(x => x.Cars)
+                .Include(x => x.Equipments)
+                .Where(x => x.AdministratorLogin.Contains(model.AdministratorLogin) && x.AdministratorPassword == model.AdministratorPassword)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public AdministratorViewModel? GetElement(AdministratorSearchModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            if (model.Id.HasValue)
+                return context.Administrators
+                    .Include(x => x.Inspections)
+                    .Include(x => x.Cars)
+                    .Include(x => x.Equipments)
+                    .FirstOrDefault(x => x.Id == model.Id)?
+                    .GetViewModel;
+
+            if (!string.IsNullOrEmpty(model.AdministratorEmail) && !string.IsNullOrEmpty(model.AdministratorPassword))
+                return context.Administrators
+                    .Include(x => x.Inspections)
+                    .Include(x => x.Cars)
+                    .Include(x => x.Equipments)
+                    .FirstOrDefault(x => x.AdministratorEmail.Equals(model.AdministratorEmail) && x.AdministratorPassword.Equals(model.AdministratorPassword))?
+                    .GetViewModel;
+
+            if (!string.IsNullOrEmpty(model.AdministratorEmail))
+                return context.Administrators
+                    .Include(x => x.Inspections)
+                    .Include(x => x.Cars)
+                    .Include(x => x.Equipments)
+                    .FirstOrDefault(x => x.AdministratorEmail.Equals(model.AdministratorEmail))?
+                    .GetViewModel;
+
+            return null;
+        }
+
+        public AdministratorViewModel? Insert(AdministratorBindingModel model)
+        {
+            var newAdministrator = Administrator.Create(model);
+
+            if (newAdministrator == null)
+            {
+                return null;
+            }
+
+            using var context = new CarCenterDataBase();
+
+            context.Administrators.Add(newAdministrator);
+            context.SaveChanges();
+
+            return newAdministrator.GetViewModel;
+        }
+
+        public AdministratorViewModel? Update(AdministratorBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            var administrator = context.Administrators
+                .FirstOrDefault(x => x.Id == model.Id);
+
+            if (administrator == null)
+            {
+                return null;
+            }
+
+            administrator.Update(model);
+            context.SaveChanges();
+
+            return administrator.GetViewModel;
+        }
+
+        public AdministratorViewModel? Delete(AdministratorBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            var element = context.Administrators.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Administrators.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/CarCenter/CarCenterDataBaseImplement/Implements/CarStorage.cs b/CarCenter/CarCenterDataBaseImplement/Implements/CarStorage.cs
new file mode 100644
index 0000000..ffa8e15
--- /dev/null
+++ b/CarCenter/CarCenterDataBaseImplement/Implements/CarStorage.cs
@@ -0,0 +1,134 @@
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using CarCenterDataBaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.StoragesContracts;
+
+namespace CarCenterDataBaseImplement.Implements
+{
+    public class CarStorage : ICarStorage
+    {
+        public List<CarViewModel> GetFullList()
+        {
+            using var context = new CarCenterDataBase();
+
+            return context.Cars
+            .Include(x => x.EquipmentCars)
+            .ThenInclude(x => x.Equipment)
+            .Include(x => x.InspectionCar)
+            .ThenInclude(x => x.Inspection)
+            .Include(x => x.Administrator)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public CarViewModel? GetElement(CarSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BrandCar) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new CarCenterDataBase();
+
+            return context.Cars
+                .Include(x => x.EquipmentCars)
+                .ThenInclude(x => x.Equipment)
+                .Include(x => x.InspectionCar)
+                .ThenInclude(x => x.Inspection)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.BrandCar) && x.BrandCar == model.BrandCar) || (model.Id.HasValue && x.Id == model.Id))?
+                .GetViewModel;
+        }
+
+        public List<CarViewModel> GetFilteredList(CarSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BrandCar) && !model.AdministratorId.HasValue)
+            {
+                return new();
+            }
+
+            using var context = new CarCenterDataBase();
+
+            if (model.AdministratorId.HasValue)
+            {
+                return context.Cars
+                .Include(x => x.EquipmentCars)
+                .ThenInclude(x => x.Equipment)
+                .Include(x => x.InspectionCar)
+                .ThenInclude(x => x.Inspection)
+                .Include(x => x.Administrator)
+                    .Where(x => x.AdministratorId == model.AdministratorId)
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+            }
+
+            return context.Cars
+                .Include(x => x.EquipmentCars)
+                .ThenInclude(x => x.Equipment)
+                .Include(x => x.InspectionCar)
+                .ThenInclude(x => x.Inspection)
+                .Include(x => x.Administrator)
+                .Where(x => x.BrandCar.Contains(model.BrandCar))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public CarViewModel? Insert(CarBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            var newCar = Car.Create(model);
+
+            if (newCar == null)
+            {
+                return null;
+            }
+
+            context.Cars.Add(newCar);
+            context.SaveChanges();
+
+            return newCar.GetViewModel;
+        }
+
+        public CarViewModel? Update(CarBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            var car = context.Cars.FirstOrDefault(x => x.Id == model.Id);
+
+            if (car == null)
+            {
+                return null;
+            }
+
+            car.Update(model);
+            context.SaveChanges();
+
+            return car.GetViewModel;
+        }
+
+        public CarViewModel? Delete(CarBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            var element = context.Cars.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Cars.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/CarCenter/CarCenterDataBaseImplement/Implements/EquipmentStorage.cs b/CarCenter/CarCenterDataBaseImplement/Implements/EquipmentStorage.cs
new file mode 100644
index 0000000..5bff2e3
--- /dev/null
+++ b/CarCenter/CarCenterDataBaseImplement/Implements/EquipmentStorage.cs
@@ -0,0 +1,167 @@
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.BindingModels;
+using CarCenterDataBaseImplement.Models;
+
+namespace CarCenterDataBaseImplement.Implements
+{
+    public class EquipmentStorage : IEquipmentStorage
+    {
+        public List<EquipmentViewModel> GetFullList()
+        {
+            using var context = new CarCenterDataBase();
+            return context.Equipments
+                .Include(x => x.Cars)
+                .ThenInclude(x => x.Car)
+                .ThenInclude(x => x.InspectionCar)
+                .ThenInclude(x => x.Inspection)
+                .Include(x => x.PreSaleWork)
+                .Include(x => x.Administrator)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public EquipmentViewModel? GetElement(EquipmentSearchModel model)
+        {
+            if (!model.Id.HasValue && string.IsNullOrEmpty(model.EquipmentName))
+            {
+                return null;
+            }
+
+            using var context = new CarCenterDataBase();
+
+            return context.Equipments
+                    .Include(x => x.Cars)
+                    .ThenInclude(x => x.Car)
+                    .ThenInclude(x => x.InspectionCar)
+                    .ThenInclude(x => x.Inspection)
+                    .Include(x => x.PreSaleWork)
+                    .Include(x => x.Administrator)
+                    .FirstOrDefault(x => (!string.IsNullOrEmpty(model.EquipmentName) && x.EquipmentName == model.EquipmentName) || (model.Id.HasValue && x.Id == model.Id))?
+                    .GetViewModel;
+        }
+
+        public List<EquipmentViewModel> GetFilteredList(EquipmentSearchModel model)
+        {
+            if (!model.Id.HasValue && !model.AdministratorId.HasValue)
+            {
+                return new();
+            }
+
+            using var context = new CarCenterDataBase();
+
+            if (model.AdministratorId.HasValue)
+            {
+                return context.Equipments
+                    .Include(x => x.Cars)
+                    .ThenInclude(x => x.Car)
+                    .ThenInclude(x => x.InspectionCar)
+                    .ThenInclude(x => x.Inspection)
+                    .Include(x => x.PreSaleWork)
+                    .Include(x => x.Administrator)
+                    .Where(x => x.AdministratorId == model.AdministratorId)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+            }
+
+            return context.Equipments
+                .Include(x => x.Cars)
+                .ThenInclude(x => x.Car)
+                .ThenInclude(x => x.InspectionCar)
+                .ThenInclude(x => x.Inspection)
+                .Include(x => x.PreSaleWork)
+                .Include(x => x.Administrator)
+                .Where(x => x.EquipmentName.Contains(model.EquipmentName))
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public EquipmentViewModel? Insert(EquipmentBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+            var newEquipment = Equipment.Create(context, model);
+
+            if (newEquipment == null)
+            {
+                return null;
+            }
+
+            context.Equipments.Add(newEquipment);
+            context.SaveChanges();
+
+            return context.Equipments
+                .Include(x => x.Cars)
+                .ThenInclude(x => x.Car)
+                .ThenInclude(x => x.InspectionCar)
+                .ThenInclude(x => x.Inspection)
+                .ThenInclude(x => x.Employee)
+                .Include(x => x.PreSaleWork)
+                .Include(x => x.Administrator)
+               .FirstOrDefault(x => x.Id == newEquipment.Id)
+               ?.GetViewModel;
+        }
+
+        public EquipmentViewModel? Update(EquipmentBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var elem = context.Equipments
+                    .Include(x => x.Cars)
+                    .ThenInclude(x => x.Car)
+                    .ThenInclude(x => x.InspectionCar)
+                    .ThenInclude(x => x.Inspection)
+                    .ThenInclude(x => x.Employee)
+                    .FirstOrDefault(rec => rec.Id == model.Id);
+                if (elem == null)
+                {
+                    return null;
+                }
+                elem.Update(model);
+                context.SaveChanges();
+                if (model.EquipmentCars != null)
+                    elem.UpdateCars(context, model);
+                transaction.Commit();
+                return elem.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            } 
+        }
+        public EquipmentViewModel? Delete(EquipmentBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            var element = context.Equipments
+                .Include(x => x.Cars)
+                .ThenInclude(x => x.Car)
+                .ThenInclude(x => x.InspectionCar)
+                .ThenInclude(x => x.Inspection)
+                .ThenInclude(x => x.Employee)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Equipments.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/CarCenter/CarCenterDataBaseImplement/Implements/InspectionStorage.cs b/CarCenter/CarCenterDataBaseImplement/Implements/InspectionStorage.cs
new file mode 100644
index 0000000..a91b6af
--- /dev/null
+++ b/CarCenter/CarCenterDataBaseImplement/Implements/InspectionStorage.cs
@@ -0,0 +1,161 @@
+using CarCenterContracts.ViewModels;
+using CarCenterDataBaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.StoragesContracts;
+
+namespace CarCenterDataBaseImplement.Implements
+{
+    public class InspectionStorage : IInspectionStorage
+    {
+        public List<InspectionViewModel> GetFullList()
+        {
+            using var context = new CarCenterDataBase();
+
+            return context.Inspections
+                .Include(x => x.Cars)
+                .ThenInclude(x => x.Car)
+                .ThenInclude(x => x.EquipmentCars) 
+                .ThenInclude(x => x.Equipment)
+                .Include(x => x.Employee)
+                .Include(x => x.Administrator)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public InspectionViewModel? GetElement(InspectionSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.InspectionName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new CarCenterDataBase();
+
+            return context.Inspections
+                .Include(x => x.Cars)
+                .ThenInclude(x => x.Car)
+                .ThenInclude(x => x.EquipmentCars)
+                .ThenInclude(x => x.Equipment)
+                .Include(x => x.Employee)
+                .Include(x => x.Administrator)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.InspectionName) && x.InspectionName == model.InspectionName) || (model.Id.HasValue && x.Id == model.Id))?
+               .GetViewModel;
+        }
+        public List<InspectionViewModel> GetFilteredList(InspectionSearchModel model)
+        {
+            if (!model.AdministratorId.HasValue)
+            {
+                return new();
+            }
+            using var context = new CarCenterDataBase();
+            if (model.AdministratorId.HasValue)
+            {
+                return context.Inspections
+                    .Include(x => x.Cars)
+                    .ThenInclude(x => x.Car)
+                    .ThenInclude(x => x.EquipmentCars)
+                    .ThenInclude(x => x.Equipment)
+                    .Include(x => x.Employee)
+                    .Include(x => x.Administrator)
+                    .Where(x => x.AdministratorId == model.AdministratorId)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+            }
+            return context.Inspections
+                    .Include(x => x.Cars)
+                    .ThenInclude(x => x.Car)
+                    .ThenInclude(x => x.EquipmentCars)
+                    .ThenInclude(x => x.Equipment)
+                    .Include(x => x.Employee)
+                    .Include(x => x.Administrator)
+                .Where(x => x.InspectionName.Contains(model.InspectionName))
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public InspectionViewModel? Insert(InspectionBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+            var newInspection = Inspection.Create(context, model);
+
+            if (newInspection == null)
+            {
+                return null;
+            }
+
+            context.Inspections.Add(newInspection);
+            context.SaveChanges();
+
+            return context.Inspections
+                .Include(x => x.Cars)
+                .ThenInclude(x => x.Car)
+                .ThenInclude(x => x.EquipmentCars)
+                .ThenInclude(x => x.Equipment)
+                .Include(x => x.Employee)
+                .Include(x => x.Administrator)
+                .FirstOrDefault(x => x.Id == newInspection.Id)
+                ?.GetViewModel;
+        }
+
+
+        public InspectionViewModel? Update(InspectionBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var elem = context.Inspections
+                     .Include(x => x.Cars)
+                     .ThenInclude(x => x.Car)
+                     .ThenInclude(x => x.InspectionCar)
+                     .ThenInclude(x => x.Inspection)
+                     .ThenInclude(x => x.Employee)
+                     .FirstOrDefault(rec => rec.Id == model.Id); if (elem == null)
+                {
+                    return null;
+                }
+                elem.Update(model);
+                context.SaveChanges();
+                if (model.InspectionCars != null)
+                    elem.UpdateCars(context, model);
+                transaction.Commit();
+                return elem.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public InspectionViewModel? Delete(InspectionBindingModel model)
+        {
+            using var context = new CarCenterDataBase();
+
+            var element = context.Inspections
+                .Include(x => x.Cars)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Inspections.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+
+    }
+}