What are the size parts that you want to cut? This will determine the size and speed of your system.
Major suppliers of sheet metal cutters include:
Trumpf - 860-255-6055
Mazak - 847-252-4500
Amada - 714-739-2111
NTC - 248-478-4104
Schuler - 734-207-7200
Whitney - 815-964-6771
Cincinnati -...
You might try calling Tim Christopherson at Preco laser systems, formerly Laser Machining. Tim has sold numerous systems for cutting non metallic materials and he should be able to help you.
Tim # - 800-775-2737 x 1125