| Business | Phone |
| Lock & Safe Rescue Squad 22 Railroad Ave, Derry 3038 | (603) 432-6260 |
| Lock Solutions 56 Boulder Dr, Derry 3038 | (603) 432-6260 |
| Orbit Lock Co Inc 8 Bill St, Derry 3038 | (603) 437-9078 |
| Derry NH Locksmith 80 W Broadway, Derry 03038 | (603) 206-8487 |