Hello,

The buyer's guide of this website offers a listing of companies that do x-ray measurement. You can view it here...

http://www.shotpeener.com/buyersguide/product_detail.php?prod_id=131

Of those listed I can recommend Proto Manufacturing (http://www.protoxrd.com/) in the US. They often help us with our educational seminars.

Dave Barkley
EI SPT Director, Peening Preceptor & Product Engineer