| Business | Phone |
| All-Comm Seattle 98101 | (206) 287-1625 |
| At&T 10000 Aurora Ave N, Seattle 98133 | (206) 525-1340 |
| Business Equipment Brokers 1021 Sw Klickitat Way 106, Seattle 98134 | (206) 464-4290 |
| Business Telephone Exchange Seattle 98101 | (206) 242-8022 |
| F J & Assoc 1705 4th Ave S # 101, Seattle 98134 | (206) 621-8531 |
| Ghm Electronics Inc 6526 5th Pl S, Seattle 98108 | (206) 767-9703 |
| Intecom Inc 1420 5th Ave 2200, Seattle 98101 | (206) 224-7248 |