One nice feature with CodeFluent Entities is multiple namespace support.
You can define namespaces in your model which the Business Object Model Producer will translate into actual .NET namespaces. Furthermore, CodeFluent Entities also fully supports database schemas as well, therefore you can also group your tables in schemas, as your classes in namespaces, and all that without a single line of code.
How cool is that?
More info here: Grouping Entities