diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Car.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Car.cs
new file mode 100644
index 0000000..139ce94
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Car.cs
@@ -0,0 +1,26 @@
+using FuelAndLubricants.Entities.Enums;
+
+namespace FuelAndLubricants.Entities;
+
+public class Car
+{
+    public int Car_ID { get; private set; }
+    public string Car_Mark { get; private set; } = string.Empty;
+    public string Car_Model { get; private set; } = string.Empty;
+    public Car_Type Car_Type { get; private set; }
+    public float Consumption_Rate { get; private set; }
+    public int Fuel_ID { get; private set; }
+
+    public static Car CreateEntity (int car_ID, string car_mark, string car_model, Car_Type car_type, float consumption, int fuel_id)
+    {
+        return new Car
+        {
+            Car_ID = car_ID,
+            Car_Mark = car_mark ?? string.Empty,
+            Car_Model = car_model ?? string.Empty,
+            Car_Type = car_type,
+            Consumption_Rate = consumption,
+            Fuel_ID = fuel_id
+        };
+    }
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Driver.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Driver.cs
new file mode 100644
index 0000000..7899494
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Driver.cs
@@ -0,0 +1,22 @@
+using FuelAndLubricants.Entities.Enums;
+
+namespace FuelAndLubricants.Entities;
+
+public class Driver
+{
+    public int Driver_ID { get; private set; }
+    public string Firstname { get; private set; } = string.Empty;
+    public string Secondname { get; private set; } = string.Empty;
+    public Driver_License Driver_License { get; private set; }
+
+    public static Driver CreateEntity (int driver_ID, string firstname, string secondname, Driver_License license)
+    {
+        return new Driver
+        {
+            Driver_ID = driver_ID,
+            Firstname = firstname ?? string.Empty,
+            Secondname = secondname ?? string.Empty,
+            Driver_License = license
+        };
+    }
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Car_Type.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Car_Type.cs
new file mode 100644
index 0000000..a700a41
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Car_Type.cs
@@ -0,0 +1,9 @@
+namespace FuelAndLubricants.Entities.Enums;
+
+public enum Car_Type
+{
+    None = 0,
+    Passenger = 1,
+    Cargo = 2,
+    Bus = 3
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Driver_License.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Driver_License.cs
new file mode 100644
index 0000000..ae865a1
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Driver_License.cs
@@ -0,0 +1,13 @@
+namespace FuelAndLubricants.Entities.Enums;
+
+[Flags]
+public enum Driver_License
+{
+    None = 0,
+    A = 1,
+    B = 2,
+    C = 4,
+    D = 8,
+    BE = 16,
+    CE = 32
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Fuel_Type.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Fuel_Type.cs
new file mode 100644
index 0000000..b408283
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Fuel_Type.cs
@@ -0,0 +1,10 @@
+namespace FuelAndLubricants.Entities.Enums;
+
+public enum Fuel_Type
+{
+    None = 0,
+
+    Petrol = 1,
+
+    Diesel = 2
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Shift.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Shift.cs
new file mode 100644
index 0000000..a05e003
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Enums/Shift.cs
@@ -0,0 +1,8 @@
+namespace FuelAndLubricants.Entities.Enums;
+
+public enum Shift
+{
+    None = 0,
+    Day = 1,
+    Night = 2
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Fuel_And_Lubricants.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Fuel_And_Lubricants.cs
new file mode 100644
index 0000000..5928429
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Fuel_And_Lubricants.cs
@@ -0,0 +1,22 @@
+using FuelAndLubricants.Entities.Enums;
+
+namespace FuelAndLubricants.Entities;
+
+public class Fuel_And_Lubricants
+{
+    public int Fuel_ID { get; private set; }
+    public Fuel_Type Fuel_Type { get; private set; }
+    public float Price_Per_Liter {  get; private set; }
+    public float Amount {  get; private set; }
+
+    public static Fuel_And_Lubricants CreateEntity(int fuel_id, Fuel_Type type, float price, float amount)
+    {
+        return new Fuel_And_Lubricants
+        {
+            Fuel_ID = fuel_id,
+            Fuel_Type = type,
+            Price_Per_Liter = price,
+            Amount = amount
+        };
+    }
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Route.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Route.cs
new file mode 100644
index 0000000..25af9ec
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Route.cs
@@ -0,0 +1,20 @@
+namespace FuelAndLubricants.Entities;
+
+public class Route
+{
+    public int Route_ID { get; private set; }
+    public string Start_Point { get; private set; } = string.Empty;
+    public string End_Point { get; private set;} = string.Empty;
+    public float Route_Length { get; private set; }
+
+    public static Route CreateEntity (int route_id, string start_point, string end_point, float length)
+    {
+        return new Route
+        {
+            Route_ID = route_id,
+            Start_Point = start_point ?? string.Empty,
+            End_Point = end_point ?? string.Empty,
+            Route_Length = length
+        };
+    }
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Trip.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Trip.cs
new file mode 100644
index 0000000..218d322
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Trip.cs
@@ -0,0 +1,30 @@
+using FuelAndLubricants.Entities.Enums;
+
+namespace FuelAndLubricants.Entities;
+
+public class Trip
+{
+    public int Trip_ID { get; private set; }
+    public DateTime Start_Date { get; private set; }
+    public DateTime End_Date { get; private set; }
+    public Shift Shift { get; private set; }
+    public float Fuel_Consumption { get; private set; }
+    public int Car_ID { get; private set; }
+    public int Driver_ID { get; private set; }
+    public int Route_ID { get; private set; }
+
+    public static Trip CreateEntity(int trip_id, DateTime start_date, DateTime end_date, Shift shift, float consumption, int car_id, int driver_id, int route_id)
+    {
+        return new Trip
+        {
+            Trip_ID = trip_id,
+            Start_Date = start_date,
+            End_Date = end_date,
+            Shift = shift,
+            Fuel_Consumption = consumption,
+            Car_ID = car_id,
+            Driver_ID = driver_id,
+            Route_ID = route_id
+        };
+    }
+}