USA Gypsum, 1368 W Route 897, Denver, PA 17517, US

World Resources Company, with a location in Pottsville, Pa., is a privately held environmental risk management and recycling company. Founded in 1976, the company designs, implements and manages recycling activities and provides environmental services to nonferrous metal industries nationally and internationally. Its activities include regulatory, environmental, transportation, production and other aspects of business related to recycling. The company has more than 25 years experience in recycling and is a global recycler of metal bearing wastewater treatment sludges. It specializes in developing, implementing and managing recycling and environmental services for metal industries, including manufacturers and mining companies. World Resources Company is headquartered in McLean, Va.