Got to Pirate4x4, under the vendor section of the forum, there is a guy (406YJ) in Witchita, KS (
Click Me) that sells cheaply compared, recentered Hummer beadlock rims, choice of center design, custom backspacing, lug count/pattern, rim lip skid, double beadlock, etc. Only problem, this is only for 16.5" tires. He also sells the Hummer Wrangler MTs, RTs, and other Michelin military tires. There really isn't much of a market for the 16.5" rim tires for today's vehicles. TSL, Pitbull have a small selection. Maybe some others.
To add, I think he's now expanding also into the 20" military beadlock rims as well.