Razor:
Spec ops Brand
Camelbak
Tactical Tailor (coming soon)
Not sure of any others.
Propper is also making the uniforms in mil spec, Gen Jackson's in Fayetteville has racks full of them.
I'm sure the usual suspects like SDS and other big mills will be turning some out for contracts with Uncle Sugar soon enough.
Gotta love it when the military puts all it's eggs in one basket, most guys are still waiting for the "woodland version" to come out...they really hate me when I break it to them that this is a one size fits all pattern. It does make a great set of PJ's for one's girlfriend or wife, from a few feet away it looks like a really nice floral pattern.