| Business | Phone |
| Soundspeakerrepair.Com 6487 Federal Blvd, Denver 80221 | (303) 289-5355 |
| Intrinsic Sound Systems 1907 S Broadway, Denver 80210 | (303) 778-6752 |
| Listenup 685 S Pearl St, Denver 80209 | (303) 778-0780 |
| Speaker Repair & Reconing Svc 900 S Pearl St, Denver 80209 | (303) 778-1617 |