| Apex Diagnostic Laboratory | 92B Jhowtala Road | 2280-9503 | | |
| Behala X Ray Clinic | 47B, Block-C, New Alipore, Kolkata | 9331045440 | | |
| Calcutta Diagnostic Centre | 79 Shabhunath Pandit Street | 2454-8346 | | |
| Drs. Tribedi & Roy Diagnostic Laboratory | 93 Park Street, Kolkata | 2226-8789 | 2226-6643 | |
| Eastern Diagnostic India Ltd. | 6 Vivekananda Road, Kolkata | 2218-8080 | 2218-8081 | |
| EKO X Ray Imaging Institute | 54 J.L. Nehru Road | 2282-8105 | 2282-8106 | 2282-8109 |
| Fortis Medical Centre | 2/7 Sarat Bose Road | 2475-4320 | 2475-4096 | |
| Horizon Lifeline | P-34, CIT Road | 2227-5982 | 2227-6147 | |
| Medinova Diagnostic Service | 1 Sarat Chatterjee avenue | 2466-3651 | 2466-1780 | 2466-0780 |
| Medisearch Diagnostic Centre | 596-B, Parnasree | 2407-9868 | | |
| MM Medical Centre | 256 Rashbehari Avenue | 2440-1666 | | |
| Neobatco Clinical Laboratory | 46 Park Street, Kolkata | 2287-5505 | 2287-8818 | |
| Smiles | 35A Old Ballygunge, 1st Lane | 4001-0013 | | |
| Suraksha Diagnostic Centre | P-118, CIT Road | 6605-9650 | | |
| Swastic Medicare Diagnostic Research Centre | 31 Picnic Garden Road | 2343-4316 | | |
