| Business | Phone |
| Bridgeport Hospital Lab Svc 267 Grant St, Bridgeport 6610 | (203) 384-3488 |
| Bridgeport Hospital Laboratory 4775 Main St, Bridgeport 6606 | (203) 373-1351 |
| Clinical Laboratory Partners 3715 Main St # 308, Bridgeport 6606 | (203) 371-2914 |
| Quest Diagnostics Inc 118 Jefferson St, Bridgeport 6607 | (203) 371-3234 |
| Diagnostic Imaging-Southern 3101 Main St, Bridgeport 6606 | (203) 372-2887 |
| Milford Medical Laboratory Inc 4699 Main St, Bridgeport 6606 | (203) 372-2941 |
| Milford Medical Laboratory Inc 540 Bond St, Bridgeport 6610 | (203) 335-4701 |
| Milford Medical Laboratory Inc 600 Bond St, Bridgeport 6610 | (203) 335-4899 |