Phelps Engineered Plastics, Inc - Manufacture structural composite panels made with thin, aluminum, formica, natural marble, granite, and limestone suitable for a range of applications. Includes downloadable product demonstrations in pdf format. - http://www.pepcore.com/
Ray-Core Inc - Manufacturer of energy saving structural insulated building panels. - http://www.raycore.com/
Alpolic - Manufacturer of aluminum composite materials (acm) for use in interior/exterior architectural markets. - http://www.alpolic-usa.com/