| Business | Phone |
| B & V Communications 240 Woodlawn Ave, Chula Vista 91910 | (619) 409-1700 |
| Cartmill Communications 1479 Canoe Creek Way, Chula Vista 91915 | (619) 957-0696 |
| Mpower Communications Corp 420 3rd Ave, Chula Vista 91910 | (619) 427-0978 |
| Hitech Communications 629 3rd Ave, Chula Vista 91910 | (619) 691-6996 |