| Business | Phone |
| A A All American Locksmith New Haven 6510 | (203) 752-1464 |
| Aaa Lightning Lock & Safe 39 Chester St # 2, New Haven 6513 | (203) 469-0600 |
| Acme Lock & Safe Inc 177 Park St, New Haven 6511 | (203) 776-1170 |
| Action Lock & Safe Co Inc New Haven 6511 | (203) 787-5625 |
| Amity Safe & Lock 1336 Whalley Ave, New Haven 6515 | (203) 397-3093 |
| Bergers Lock Installations 257 Concord St, New Haven 6512 | (203) 809-2236 |
| Cohen's Key Shop Inc 127 Fitch St, New Haven 6515 | (203) 397-3528 |
| Lock and Tech USA 24 Dixwell Avenue, New Haven 06511 | (203) 937-2308 |