| Business | Phone |
| Genesis Laboratories Inc 5750 Division St # 104, Riverside 92506 | (951) 781-9923 |
| Computerized Diagnostics 4646 Brockton Ave, Riverside 92506 | (951) 774-2840 |
| Bio Path Clinical Labs Riverside 92501 | (951) 274-9588 |
| Bio-Tox Laboratories Inc 3357 Chicago Ave, Riverside 92507 | (951) 341-9358 |
| Quest Diagnostics Inc 3838 Sherman Dr # 6, Riverside 92503 | (760) 688-5661 |
| Renaissance Radiology Medical 9041 Magnolia Ave # 7, Riverside 92503 | (951) 687-5755 |
| Riverside Diagnostic Center Inc 6848 Magnolia Ave, Riverside 92506 | (951) 248-0515 |
| Riverside Mri Center 10111 Hole Ave, Riverside 92503 | (951) 352-0555 |
| United Westlab 3975 Jackson St, Riverside 92503 | (951) 359-5910 |
| Westcliff Medical Labs Inc 3975 Jackson St, Riverside 92503 | (951) 785-5962 |
| P C Mobile Diagnostics Riverside 92507 | (951) 784-9616 |
| Volant Health 3801 University Ave, Riverside 92501 | (951) 530-0500 |
| Unilab Corp 6485 Day St # 102, Riverside 92507 | (951) 656-3601 |
| Unilab Corp 7300 Magnolia Ave # 100, Riverside 92504 | (951) 354-1860 |