| Business | Phone |
| Doheny Vision Research Center 1450 San Pablo St, Los Angeles 90033 | (323) 442-6600 |
| Nit 2222 Ocean View Ave, Los Angeles 90057 | (213) 387-4199 |
| Nit-Research Lab 2222 Ocean View Ave # 211-212, Los Angeles 90057 | (213) 387-7038 |
| Pollock Co 4367 Clayton Ave, Los Angeles 90027 | (323) 906-0747 |
| Response Genetics 1640 Marengo St, Los Angeles 90033 | (323) 224-3900 |
| Technology Service Corp 1900 S Sepulveda Blvd # 300, Los Angeles 90025 | (310) 954-2200 |
| A & D Research 5858 Hollywood Blvd, Los Angeles 90028 | (323) 467-0547 |
| Institute For Myeloma & Bone 1875 Century Park E, Los Angeles 90067 | (310) 556-0185 |
| Progene Research Institute 3660 Wilshire Blvd # 917, Los Angeles 90010 | (213) 381-2999 |
| Radiabeam Technologies 1600 Sawtelle Blvd # 205, Los Angeles 90025 | (310) 444-1475 |
| Savacor Inc 10780 Santa Monica Blvd, Los Angeles 90025 | (310) 441-1083 |
| Solution Research Los Angeles 90045 | (323) 776-2536 |
| Nrg Labs 7850 Fareholm Dr, Los Angeles 90046 | (323) 974-8980 |
| Communication Design Research Los Angeles 90024 | (310) 824-7442 |
| Ovabap Laboratory 5250 Santa Monica Blvd # 312, Los Angeles 90029 | (323) 663-0788 |
| Research Mix & Sellers 4633 S Vermont Ave, Los Angeles 90037 | (323) 233-0384 |