| Business | Phone |
| Initial Security 14400 Bel Red Rd 109, Bellevue 98007 | (425) 401-2015 |
| Puget Sound Security 1800 112th Ave Ne 210w, Bellevue 98004 | (425) 454-8273 |
| Snohomish County Security 1800 112th Ave Ne 210w, Bellevue 98004 | (425) 259-7929 |
| Seattle King County Security 11103 Ne 8th St, Bellevue 98004 | (425) 323-1411 |
| Cascade Secrity Div Po Box 1892, Bellevue 98009 | (425) 643-1300 |
| Reliance Technologies Inc 13222 Se 30th St, Bellevue 98005 | (425) 614-1503 |
| Src Private Security Bellevue 98005 | (425) 644-0370 |
| Star Protection Agency Inc 13654 Ne 16th St, Bellevue 98005 | (425) 990-5400 |
| Securitas Security Svc 12600 Se 38th St 205, Bellevue 98006 | (425) 653-1454 |