| Business | Phone |
| Telecom Engineers-Colorado Inc 30 Shangra La, Colorado Springs 80907 | (719) 634-7549 |
| S Aic 101 N Tejon St, Colorado Springs 80903 | (719) 520-1806 |
| Pericle Communications 1910 Vindicator Dr, Colorado Springs 80919 | (719) 548-1040 |
| Iitc 1755 Telstar Dr # 502, Colorado Springs 80920 | (719) 579-9474 |