| Business | Phone |
| Del Amo Medical Laboratory 21320 Hawthorne Blvd # 164, Torrance 90503 | (310) 540-9885 |
| Quest Diagnostics Inc 4201 Torrance Blvd # 570, Torrance 90503 | (310) 944-9128 |
| Westcliff Medical Lab 4201 Torrance Blvd, Torrance 90503 | (310) 543-0563 |
| Cytogenetics Center 3500 Lomita Blvd, Torrance 90505 | (310) 891-1963 |
| Dickey Healthtech Labs 3400 Lomita Blvd # 101, Torrance 90505 | (310) 534-2522 |
| Laboratory Corp Of America 23560 Madison St # 217, Torrance 90505 | (310) 534-2927 |
| Lboratory Corp Of America 3500 Lomita Blvd, Torrance 90505 | (310) 517-9170 |
| Quest Diagnostics Inc 3701 Skypark Dr # 200, Torrance 90505 | (310) 791-4148 |
| Torrance Diagnostic Imaging 22525 Maple Ave # 106, Torrance 90505 | (310) 539-3080 |
| Unilab Corp 3500 Lomita Blvd # 104, Torrance 90505 | (310) 326-2241 |
| Westcliff Medical Labs 23441 Madison St # 200, Torrance 90505 | (310) 791-6382 |
| Lab Inc 2406 Torrance Blvd, Torrance 90501 | (310) 787-8430 |
| Harbor Ucla Diagnostics Center 21828 Normandie Ave, Torrance 90502 | (310) 212-5920 |