| Business | Phone |
| Clinical Pathology Labs 1672 W Avenue J # 103, Lancaster 93534 | (661) 729-2144 |
| Quest Diagnostics Inc 44725 10th St W # 140, Lancaster 93534 | (661) 945-4435 |
| Advanced Medicine Laboratory 548 W Lancaster Blvd, Lancaster 93534 | (661) 726-2833 |