| Business | Phone |
| All Lock 218 Avenue C, Billings 59101 | (406) 254-1623 |
| Alladin Lock & Security 804 Broadwater Ave, Billings 59101 | (406) 259-7215 |
| Waydes Lockout Svc 24 Vista Dr, Billings 59102 | (406) 698-9896 |
| West End Lock & Security 525 Saint Johns Ave # A, Billings 59101 | (406) 245-4422 |
| Big Sky Lock Svc 2334 Golden Blvd, Billings 59102 | (406) 656-6046 |
| D & L Lock & Welding 1615 Bitterroot Dr, Billings 59105 | (406) 259-7373 |
| Fischer Lock & Security 115 N 34th St, Billings 59101 | (406) 245-3808 |
| Independent Lock 1931 Broadwater Ave, Billings 59102 | (406) 656-4111 |
| Lock Doctor 1270 Lockwood Rd # 6, Billings 59101 | (406) 256-3062 |
| Jds Lock & Key 218 Avenue C, Billings 59101 | (406) 252-3588 |