| Business | Phone |
| Alpha Radio Products Llc 6185 Arapahoe Rd, Boulder 80303 | (303) 443-1639 |
| Health Time Radio Show 3910 Colorado Ave # E, Boulder 80303 | (303) 926-5141 |
| Kbco 2500 Pearl St # 315, Boulder 80302 | (303) 713-8000 |
| Kgnu 4700 Walnut St, Boulder 80301 | (303) 449-4885 |
| Kvcu Boulder Campus # 41j, Boulder 80309 | (303) 492-5031 |
| Radio Reading Svc Rockies Inc 22oo Central Ave # A, Boulder 80301 | (719) 577-9624 |
| Sbr Creative Media 7464 Arapahoe Rd # B4, Boulder 80303 | (303) 444-7700 |
| Us Radio Surgery 1155 Alpine Ave, Boulder 80304 | (303) 444-1910 |