| Business | Phone |
| Denver Audiology Inc 4500 E 9th Ave # 650, Denver 80220 | (303) 832-2054 |
| Donohoe Audiological Svc 6445 E Ohio Ave # 300, Denver 80224 | (303) 322-0083 |
| Marianne Hamilton 4545 E 9th Ave # 200, Denver 80220 | (303) 320-5516 |
| Lakewood Hearing & Speech Ctr 3110 S Wadsworth Blvd # 107, Denver 80227 | (303) 988-7299 |