| Business | Phone |
| Automated Communication Inc 5007 Pacific Hwy E 7, Tacoma 98424 | (253) 926-1947 |
| Sound Electronics 3409 S 37th St, Tacoma 98409 | (253) 472-2955 |
| E Squared Systems Llc 18819 38th Ave E, Tacoma 98446 | (253) 846-5400 |
| Evergreen Fire & Security 3215 S 12th St, Tacoma 98405 | (253) 627-3794 |
| Murray Alarm Svc Tacoma 98402 | (253) 383-1781 |