P.K., but you will pay
I guess you are asking where ELSE you can send your gun to to get a fade. If you are fimilar with P.K. Selective you know what I am talking about, and if not, you are in for a big shock!
P.K. will do the best job, but it will cost you. I think the ano alone for a fade is $280! and that does not include the polishing ($120) and any other colors or splashes.