| Business | Phone |
| Act Communication Technologies 1726 Gay St, Longmont 80501 | (303) 772-2622 |
| Hi Country Wire & Telephone 350 Kimbark St, Longmont 80501 | (303) 682-1377 |
| Intrado Inc 1601 Dry Creek Dr, Longmont 80503 | (720) 494-5800 |
| Tbs Resicom Inc Longmont 80501 | (303) 651-7211 |