Hello Richard,
We have a blaster that goes up to 10,000 psi @ 10 gpm. Does a great job in industrial paint booths!
Here is the url for the Water Jet Technology Association.
http://www.wjta.org All the folks in the Ultra High range of 30,000 and up are members. You should get some good leads.
Dave Olson
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Tidy Powerwash Service, Inc. P.O. Box 781, Catlin, Illinois 61817 Phone 217-427-5557, Fax 217-427-2632 We are a commercial cleaning contractor serving East-Central Illinois and West Central Indiana since 1984.
http://www.tps-inc.com/preswash.htm