⇒Maharatna Company
| Bharat Heavy Electricals Limited (BHEL) | Coal India Limited (CIL) |
| Gas Authority of India Limited (GAIL) | Indian Oil Corporation Limited (IOCL) |
| National Thermal Power Corporation (NTPC) | Oil and Natural Gas Corporation (ONGC) |
| Steel Authority of India Limited (SAIL) |
⇒Navratna Company
| Bharat Electronics Limited (BEL) | Bharat Petroleum Corporation Limited (BPCL) |
| Hindustan Aeronautics Limited (HAL) | Hindustan Petroleum Corporation Limited (HPCL) |
| Mahanagar Telephone Nigam Limited (MTNL) | National Aluminium Company (NALCO) |
| National Mineral Development Corporation (NMDC) | Neyveli Lignite Corporation (NLC) |
| Oil India Limited (OIL) | Power Finance Corporation (PFC) |
| Power Grid Corporation of India (POWERGRID) | Rashtriya Ispat Nigam Limited (RINL) |
| Rural Electrification Corporation (REC) | Shipping Corporation of India (SCI) |
| Container Corporation of India (CONCOR) | Engineers India Limited (EIL) |
| NLC India Limited (NLCIL) | National Buildings Construction Corporation (NBCC) |