Interplastic Corporation is a specialty chemical company. Its Thermoset Resins Division focuses on the production and distribution of unsaturated polyester, vinyl ester resins, gel coats and colorants for the composites and cast polymer industries. The company s Molding Products Division specializes in production of sheet-molding compounds and other thermoset-molding materials. Interplastic Corporation, with a location in Pryor, Okla., also operates North American Composites, which offers various additives, adhesives, polyurethane foams, specialty reinforcements, gel coats, resins, silicones and solvents. North American Composites is also a member of the American Composites Manufacturers Association. Interplastic Corporation sells its products through a network of distributors throughout the United Sates, Canada, Mexico and South Africa.