I have posted many times a number of cam grinders who do custom cams. I'll do it one more time to save you looking through a bunch of crap on other threads.
Jim Dowell at Racer Brown
Danny at Cam Motion
Mike at Jones Cams
Bullet has the UD lobes and does custom stuff
Dewayne Porter
Chris Straub
Controlled Induction (I think his name is Rick...I have it written in a notebook)
This is just a few of them. The first three is where I go first to get what I want. All of them can do it. Hope you get what you want. It won't be on the shelf.
