1. Chemresearch Engineering 15515 N Platte Dr, Bowie, MD 20716 Coordinate: 38.92828,-76.73681 Phone: (301) 218-1947
2. Consolidated Engineering 3014 Mitchellville Rd, Bowie, MD 20716 Coordinate: 38.93116,-76.73469 Phone: (301) 218-2030