| 1. | Indian Oil Corporation Ltd. |
| 2. | National Thermal Power Corporation Ltd. |
| 3. | Oil & Natural Gas Corporation Ltd. |
| 4. | Steel Authority of India Ltd. |
| 5. | Coal India Ltd. (conferred on April 11, 2011) |
| 6. | GAIL (India) Ltd. (conferred on February 1, 2013) |
| 7. | Bharat Heavy Electricals Ltd. (conferred on February 1, 2013) |
| 8. | Bharat Petroleum Corporation Ltd. (conferred in September 2017) |
| 9. | Hindustan Petroleum Corporation Ltd. (conferred in October 2019) |
| 10. | Power Grid Corporation Ltd. (conferred in October 2019) |
| 11. | Power Finance Corporation Limited (conferred in October 2021) |
| 12. | REC Limited (conferred in September 2022) |