Laser Machining, Inc
USA. Laser cutting and welding equipment for metal and non-metal material processing. Converting systems for fibrous web and paper materials. Large site, with extensive application descriptions, process development and feasibillity studies. http://www.lasermachining.com/
Photo Chemical Machining
PCMI is different from most Trade Associations and Professional Societies because it represents a broad cross-section of all sections of the Photo Chemical Machining Industry's technology: http://www.pcmi.org