| Business | Phone |
| Lamtel Inc 2281 W 205th St # 113, Torrance 90501 | (310) 328-2421 |
| Rjl Communications 21213 Hawthorne Blvd # B, Torrance 90503 | (310) 920-7021 |
| Tdsc 5403 Sara Dr, Torrance 90503 | (310) 792-0852 |
| Maxus Technologies Usa Inc 3820 Del Amo Blvd, Torrance 90503 | (310) 793-9300 |
| Rex Telecom Group 1615 Fern Ave, Torrance 90503 | (310) 618-1267 |
| Access Five Communications Inc 20705 S Western Ave # 213, Torrance 90501 | (310) 320-2255 |
| Semaphore Management Llc 23332 Hawthorne Blvd, Torrance 90505 | (310) 791-8560 |
| South Bay Telco 2519 W 230th St, Torrance 90505 | (310) 534-0000 |
| Semans Communications 386 Beech Ave, Torrance 90501 | (310) 782-3922 |