I used this guy for a bead blast, no powdercoat, but have heard great things of his work
Mattocks Motorsports
426 Norfolk Street
Aurora, CO 80011
Phone: (303) 364-1198 or 720 220 4661
Strange though that his website is down, hopefully not a bad sign.
or there's always DIY
http://www.eastwood.com/catalog/prod...t/category/18/
also heard good things of Tru Wheel Design