Composite panel cores

Manufacturer and distributor of composite cores
Phone: 888-650-6302
Email: http://www.flakeboard.com/default.asp
Manufacturer and distributor of composite cores and lumber
Phone: 503.471.2212
Email: http://www.collinsco.com/

Phone: 800-284-5347
Email: http://www.gp.com/build/index.aspx

Phone: (416) 365-0705
Email: http://www.norbord.com/index.shtml

Phone: (800) 676-3339
Email: http://www.sierrapine.com/index.php