HP Racing: (405) 672-7227, Oklahoma City
Ed Wright Auto: 918-446-3019 Tulsa,
http://www.fastchip.com/
Dunsworth Machine: 580-233-5812 Enid
Alternative Motorsports: 405-440-0933 Oklahoma City
Detail doctors, Inc: 405-542-5179 Oklahoma City
Hogan's Dyno Shop: 918-834-5000 Tulsa
Metro Vo-Tech: 405-605-2236 Oklahoma city
Modern Performance: 918-282-5143 Tulsa
Powerhouse Performance: 405-737-8264 Midwest City,
http://www.powerhouseperformance.com/
Tulsa Dyno and Performance: 918-519-1969 Tulsa
I think that should be all of them. A quick search on Google and Yahoo came up with those. Not sure if all those numbers are still active, but there are plenty to try.