| Business | Phone |
| Cyclosporin Testing Labs 21018 Osborne St # 3, Canoga Park 91304 | (818) 341-4192 |
| Interscope Pathology Medical 21114 Vanowen St, Canoga Park 91303 | (818) 992-7848 |
| Western Health Sciences & Med 21018 Osborne St # 3, Canoga Park 91304 | (818) 773-9771 |
| Dri Systems Inc 21328 Hart St, Canoga Park 91303 | (818) 676-0900 |
| Symphony Diagnostic 22029 Saticoy St, Canoga Park 91303 | (818) 716-1328 |
| Valley View Diagnostic Lab Inc 7251 Owensmouth Ave, Canoga Park 91303 | (818) 313-8959 |
| Quest Diagnostics Inc 8511 Fallbrook Ave, Canoga Park 91304 | (818) 737-5200 |
| Transpath 21018 Osborne St # 3, Canoga Park 91304 | (818) 993-1489 |