1. E G & G 349 Mitchell St, Groton, CT 06340 Coordinate: 41.34768,-72.07623 Phone: (860) 448-1719
2. Mantech Systems Engineering Corporation 801 Poquonnock Rd Ste 3, Groton, CT 06340 Coordinate: 41.34427,-72.05341 Phone: (860) 449-6742