1. Atlantic Security & Automation
89 Plaza Ct, Groton, CT 06340
Coordinate: 41.34857,-72.05171
Phone: (860) 445-2100
2. Rugh Protective Agency
69 Church St, Groton, CT 06340
Coordinate: 41.36032,-72.08241
Phone: (860) 445-6551
3. Intertech Security
255 Route 12, Groton, CT 06340
Coordinate: 41.36905,-72.0711
Phone: (860) 326-5608
4. US Department of Defense Defense Security Service
Groton, CT 06340
Phone: (860) 445-2403