| Business | Phone |
| Adt Security Svc 16810 E Euclid Ave S19, Spokane 99216 | (509) 893-3100 |
| Affordable Alarm Systems 425 W 2nd Ave, Spokane 99201 | (509) 532-0400 |
| Alarming One Security Systems Spokane 99206 | (509) 892-1194 |
| Audioguard Alarm Co 169 S Stevens St, Spokane 99201 | (509) 624-9901 |
| Camtek Inc 3323 E 57th Ave, Spokane 99223 | (509) 443-2609 |
| Datadot Technology Usa Inc 5408 N Freya St, Spokane 99217 | (509) 483-6900 |
| Firepower Inc 10220 N Nevada St 200, Spokane 99218 | (509) 468-3204 |
| Hti Systems 3012 N Sullivan Rd 2, Spokane 99216 | (509) 891-7420 |
| Second Watch Monitoring 815 N Monroe St, Spokane 99201 | (509) 327-5331 |
| Security Systems By Dick Kern Spokane 99202 | (509) 535-0714 |
| Total Security Inc 1528 W Northwest Blvd, Spokane 99205 | (509) 462-2106 |
| Trend Security Systems Spokane 99212 | (509) 926-2843 |