1. S. Albert Glass Company 6600 Ammendale Rd, Beltsville, MD 20705 Coordinate: 39.05128,-76.89394 Phone: (301) 931-7800
2. General Glass Corp 10731 Hanna St, Beltsville, MD 20705 Coordinate: 39.02807,-76.90937 Phone: (202) 684-2816