
Oil and Gas
- GAIL (India) Limited, Guna
- GAIL (India) Limited, Pata
- GAIL (India) Limited, Vadodara
- GAIL (India) Limited, Guna
- Hindustan Gas Industries Limited, Halol
- Oil and Natural Gas Corporation Limited, Gandhar
- Reliance Industries Limited, Hazira
Overseas Units
- Oman Refinery and Petrochemicals Company L.L.C.
- Oman Polypropylene L.L.C.
- Aromatics Oman L.L.C.