How do I make a case for servers, storage, pc, all in one computer like imac, desktop computer, networking? Also the ability for me to put my name on the case. like Dell does? Either that or what company builds those and I can have my name on it like Dell does. Also how woud I do the software setup and when the computer turns on it has my company logo and name and website? and etc. I am going to be using Intel

You find a company with injection moulds.
You will, of course, need a custom mould. This ain't cheap.