| Business | Phone |
| Cei Communications 1746 Production Cir, Riverside 92509 | (951) 784-9022 |
| Price Communications Inc 3880 Lemon St # 205, Riverside 92501 | (951) 509-7676 |
| Advanced Communications Svc 12155 Magnolia Ave, Riverside 92503 | (951) 353-8200 |
| Communications Workers-America 9824 Magnolia Ave, Riverside 92503 | (951) 343-9590 |
| Cable 1 Communications 8779 Pinelane Cir, Riverside 92508 | (951) 656-1560 |
| Ironwood Communications 1525 3rd St # G, Riverside 92507 | (951) 782-0000 |
| Wsr Communications 3333 Central Ave, Riverside 92506 | (951) 367-0205 |
| Origin Communications 3824 University Ave, Riverside 92501 | (951) 779-1740 |
| Williams Communications Netwrk 1550 Marlborough Ave, Riverside 92507 | (951) 786-0078 |
| Willmon Communications Riverside 92501 | (951) 788-4845 |