| Airport Authority of India (AAI) |
| Bharat Cooking and Coal Limited (BCCL) |
| Coal India Limited (CIL) |
| CESC |
| Damodar Valley Corporation (DVC) |
| Eastern Coal Limited (ECL) |
| Food Corporation of India (FCI) |
| Kolkata Port Trust (KPT) |
| KPGM |
| MMTC |
| MAAVOI |
| Reserve Bank of India (RBI) |
| SAIL (CMO) |
| SAIL (Retd.) |
| Saha Institute of Nuclear Physics (SINP) |
| South Eastern Coal Limited (SECL) |
| Swasthya Sathi Health Scheme |
| State Bank of India Limited (Retd.) |
| TATA Steel |
| VECC |
| WBPDCL |
| WBSEDCL & TCL (Retd.) |
| WBHS (Kolkata Police) |
| WBHS (West Bengal Police) |
| West Bengal Police (Mediclaim) |
| West Bengal Health Scheme (WBHS) |