| Business | Phone |
| Consolidated Medical Labs 11801 Inglewood Ave, Hawthorne 90250 | (310) 978-4489 |
| Diamond Reference Laboratories 13865 Hawthorne Blvd, Hawthorne 90250 | (310) 970-1131 |
| Excel Diagnostic Svc 11942 Manor Dr, Hawthorne 90250 | (310) 675-0345 |
| Hawthorne Nuclear Imaging Med 4477 W 118th St, Hawthorne 90250 | (310) 679-3600 |
| Edward Karapetian 12828 Inglewood Ave, Hawthorne 90250 | (310) 675-2075 |
| Quest Diagnostics Inc 4477 W 118th St # 204, Hawthorne 90250 | (310) 349-0214 |