| Business | Phone |
| Alpha Communications 2601 E Thomas Rd # 200, Phoenix 85016 | (602) 468-3080 |
| Black Box Network Svc 650 E Indian School Rd, Phoenix 85012 | (602) 266-2475 |
| Resource Communications 13910 N F L Wright Blvd #2a337, Phoenix 85016 | (602) 381-0455 |
| R F Networks 10201 N 21st Ave # 9, Phoenix 85021 | (602) 861-3652 |