| Business | Phone |
| A-Tec Inc 505 N Argonne Rd C, Spokane 99212 | (509) 928-5400 |
| Adt Security Systems 25 W Pacific Ave, Spokane 99201 | (509) 838-8283 |
| Audioguard Alarm Co 209 S Washington St, Spokane 99201 | (509) 624-9901 |
| Certified Security Systems 1420 N Pines Rd, Spokane 99206 | (509) 922-9111 |
| Moon Security Svc Inc 209 S Washington St, Spokane 99201 | (509) 456-6833 |
| Pac West Security Systems 721 N Herald Rd, Spokane 99206 | (509) 536-8777 |
| Protection Tech Spokane 99201 | (509) 747-6231 |
| Quiet Waters Construction Po Box 9404, Spokane 99209 | (509) 328-4432 |
| Strain Security & Night Vision 5709 N Ella St, Spokane 99212 | (509) 926-2025 |
| Washington Burglar & Fire Po Box 4832, Spokane 99220 | (509) 327-1944 |