diff --git a/src/Leanetec.EConnect.Domain/Entities/OrderStatus.cs b/src/Leanetec.EConnect.Domain/Entities/OrderStatus.cs
new file mode 100644
index 0000000..62cda81
--- /dev/null
+++ b/src/Leanetec.EConnect.Domain/Entities/OrderStatus.cs
@@ -0,0 +1,8 @@
+namespace Leanetec.EConnect.Domain.Entities;
+
+/// <summary>
+/// Represents service order states
+/// </summary>
+public class OrderStatus
+{
+}
\ No newline at end of file
diff --git a/src/Leanetec.EConnect.Domain/Entities/Tenant.cs b/src/Leanetec.EConnect.Domain/Entities/Tenant.cs
new file mode 100644
index 0000000..f1c071a
--- /dev/null
+++ b/src/Leanetec.EConnect.Domain/Entities/Tenant.cs
@@ -0,0 +1,8 @@
+namespace Leanetec.EConnect.Domain.Entities;
+
+/// <summary>
+/// Represents tenants that are currently available for the service provider.
+/// </summary>
+public class Tenant
+{
+}
\ No newline at end of file
diff --git a/src/Leanetec.EConnect.Domain/Entities/TenantBerth.cs b/src/Leanetec.EConnect.Domain/Entities/TenantBerth.cs
new file mode 100644
index 0000000..58a70f6
--- /dev/null
+++ b/src/Leanetec.EConnect.Domain/Entities/TenantBerth.cs
@@ -0,0 +1,8 @@
+namespace Leanetec.EConnect.Domain.Entities;
+
+/// <summary>
+/// Represents berths a specific tenant, with location details.
+/// </summary>
+public class TenantBerth
+{
+}
\ No newline at end of file
diff --git a/src/Leanetec.EConnect.Domain/Entities/Uom.cs b/src/Leanetec.EConnect.Domain/Entities/Uom.cs
new file mode 100644
index 0000000..7bc288e
--- /dev/null
+++ b/src/Leanetec.EConnect.Domain/Entities/Uom.cs
@@ -0,0 +1,8 @@
+namespace Leanetec.EConnect.Domain.Entities;
+
+/// <summary>
+/// Represent units of measurement
+/// </summary>
+public class Uom
+{
+}
\ No newline at end of file
diff --git a/src/Leanetec.EConnect.Domain/Entities/Waste.cs b/src/Leanetec.EConnect.Domain/Entities/Waste.cs
new file mode 100644
index 0000000..0299306
--- /dev/null
+++ b/src/Leanetec.EConnect.Domain/Entities/Waste.cs
@@ -0,0 +1,5 @@
+namespace Leanetec.EConnect.Domain.Entities;
+
+public class Waste
+{
+}
\ No newline at end of file