| Business | Phone |
| Advanced Theater Designs Vega 5205 51st Ave Sw, Seattle 98136 | (206) 937-9695 |
| Antenna Specialists Co 2123 18th Ave S, Seattle 98144 | (206) 325-6539 |
| Audio Connection 5621 University Way Ne A, Seattle 98105 | (206) 524-7251 |
| Com-Tronics 91 S Royal Brougham Way, Seattle 98134 | (206) 447-0146 |
| Commercial Electronics Co Inc 5621 University Way Ne A, Seattle 98105 | (206) 527-4929 |
| Hawthorne Stereo 6303 Roosevelt Way Ne, Seattle 98115 | (206) 522-9609 |