| Business | Phone |
| Avaya-United Telecom 4221 Wilshire Blvd # 140, Los Angeles 90010 | (310) 289-1777 |
| Tel-Express Svc 3470 Wilshire Blvd # 510, Los Angeles 90010 | (213) 382-7300 |
| Telecommunication Management 5757 Wilshire Blvd # 635, Los Angeles 90036 | (323) 931-2600 |
| Western Telecommunication 801 S Grand Ave # 700, Los Angeles 90017 | (213) 622-4444 |
| Jah Communications 12005 W Pico Blvd, Los Angeles 90064 | (310) 444-0063 |
| Pullan Communications 10680 W Pico Blvd, Los Angeles 90064 | (310) 945-2030 |
| Esp Electric Los Angeles 90031 | (323) 276-6366 |
| A Tel Line Communication 1300 W Olympic Blvd, Los Angeles 90015 | (213) 380-6677 |
| Digi-Tel 1318 James M Wood Blvd, Los Angeles 90015 | (213) 384-2000 |
| Maintel 112 W 9th St # 410, Los Angeles 90015 | (213) 627-4491 |
| Modern Telephone Sales & Svc 1566 W Pico Blvd, Los Angeles 90015 | (213) 388-7545 |
| Network Ip 530 W 6th St # 801, Los Angeles 90014 | (213) 688-4074 |
| Advanced Telcomm Los Angeles 90067 | (310) 551-3107 |
| Communication A La Carte Los Angeles 90045 | (310) 216-6666 |
| Link Vision 11022 Santa Monica Blvd, Los Angeles 90025 | (310) 231-0303 |
| Millenium Advisors Msn 1800 Century Park E # 460, Los Angeles 90067 | (310) 286-3201 |
| Master Call Communications 1200 W 7th St, Los Angeles 90017 | (213) 670-0288 |
| Protel Telephone Systems 3850 Wilshire Blvd # 105, Los Angeles 90010 | (213) 252-0008 |
| Telco Telecommunications Los Angeles 90045 | (310) 337-2916 |
| U S Global Marketing 3700 Wilshire Blvd # 980, Los Angeles 90010 | (213) 738-8203 |
| Westel Voice & Data Los Angeles 90025 | (310) 820-1399 |
| Telecom Plus Communications Los Angeles 90036 | (323) 954-9941 |
| Zlest 808 N Spring St # 611, Los Angeles 90012 | (213) 626-0024 |
| Jictel Network Svc Co 4126 Prospect Ave, Los Angeles 90027 | (323) 663-5458 |
| Top Tone Tronics 919 E 12th St, Los Angeles 90021 | (213) 627-7800 |
| Tnt Electric 956 Palm Ave # 210, Los Angeles 90069 | (310) 657-8681 |
| Matrix Industries Inc 4620 E Cesar E Chavez Ave, Los Angeles 90022 | (323) 262-1946 |
| Fone Guy Los Angeles 90026 | (213) 250-3663 |
| Net Services 1189 W 29th St # 5, Los Angeles 90007 | (213) 749-0068 |
| Accutel Communications 436 S Wilton Pl, Los Angeles 90020 | (310) 202-1733 |
| Ace Telecom 400 S Westmoreland Ave # 212, Los Angeles 90020 | (213) 380-5221 |
| Southwest Telecommunications Los Angeles 90008 | (323) 294-5430 |
| Toshiba Phone Systems 110 E 9th St, Los Angeles 90079 | (323) 488-1968 |
| Wires & Pliers 2326 Clyde Ave, Los Angeles 90016 | (323) 939-9197 |
| Ultra Communications Los Angeles 90003 | (323) 753-2755 |
| D & B Telecom 2426 W 23rd St, Los Angeles 90018 | (323) 731-0095 |
| Abletel Communications 3222 Sagamore Way, Los Angeles 90065 | (323) 259-9989 |