You want a structured wiring enclosure?
If so, go to Parts Express and search for 'structured enclosure' and you will get a bunch of different types of boxes. On wall, in wall, etc.
I personally am terminating my distributed system directly to my wall, not a case, and then everything jumpers from my rack, to my wall, and out through my home. It works well and leaves me good access. The problem with a box, is once you have the wires run into it, then it may be tough to get those wires out cleanly if a change needs to take place.
That would probably be my only concern.