| Business | Phone |
| Securicor Ems Inc 95 E Main St # E4, Meriden 6450 | (203) 686-1416 |
| Securitas Security Svc Usa Inc 71 Deerfield Ln, Meriden 6450 | (203) 924-2244 |
| Rps Special Svc 325 Chamberlain Hwy, Meriden 6451 | (203) 235-1205 |
| Expert Security Systems 49 Old Gate Rd, Meriden 6451 | (203) 634-4518 |