1. Clyde Bergemann Eec 3700 Koppers St, Halethorpe, MD 21227 Coordinate: 39.2621,-76.67097 Phone: (410) 368-6800
2. T R I 3700 Koppers St Ste 405, Halethorpe, MD 21227 Coordinate: 39.2621,-76.67097 Phone: (410) 525-2400