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Indian oil & gas listed majors, their subsidiaries, and joint ventures. 16 entities profiled with shareholding, major projects, operations snapshot, and five-year financials where available.
The three public-sector fuel retailers, with integrated refining and distribution networks.
Parent · listed
India's largest downstream OMC. Maharatna PSU. Nine own refineries plus CPCL subsidiary; 38,199 retail outlets in PPAC's 2024-10-01 table.
FY2026 revenue ₹7,84,415 Cr · net margin 5.37%
NSE close
₹ 134.68
2026-09-11
Parent · listed
Maharatna downstream OMC. Three refineries (Mumbai, Kochi, Bina) totalling 35.3 MMTPA; 22,380 retail outlets in PPAC's 2024-10-01 table.
FY2026 revenue ₹4,55,228 Cr · net margin 5.68%
NSE close
₹ 301.00
2026-09-11
Subsidiary · ONGC 54.9%
Downstream OMC. ONGC subsidiary since 2018. Two own refineries plus HMEL JV; 22,501 retail outlets in PPAC's 2024-10-01 table.
FY2026 revenue ₹4,39,633 Cr · net margin 4.10%
NSE close
₹ 349.70
2026-09-11
India's crude and gas producers, with upstream operations and international subsidiaries.
Parent · listed
India's largest upstream E&P. Maharatna. Owns MRPL and majority of HPCL. Major offshore and onshore producer.
FY2026 revenue ₹6,62,247 Cr · net margin 6.26%
NSE close
₹ 235.72
2026-09-11
Parent · listed
India's second-largest upstream E&P. Anchored in the Northeast; owns majority of Numaligarh Refinery.
FY2026 revenue ₹33,946 Cr · net margin 19.50%
NSE close
₹ 495.15
2026-09-11
The national gas transmission utility, sponsor of multiple CGD JVs, long-term LNG offtaker.
Reliance operates the world's largest single-site refining complex at Jamnagar.
Parent-controlled refiners listed separately on NSE / BSE.
Subsidiary · IOC 51.89%
IOC-controlled refining subsidiary. Manali and Narimanam catalogue capacity totals 10.5 MMTPA; Narimanam is under capacity augmentation.
NSE close
₹ 1578.10
2026-09-11
Subsidiary · ONGC 71.63%
ONGC-controlled refining subsidiary. Single complex at Mangalore — 15 MMTPA installed capacity; Nelson complexity claim is historical profile context.
NSE close
₹ 175.11
2026-09-11
Wholly- or majority-owned, not yet listed.
CGD distributors and the national LNG importer. Owned jointly by the PSU majors.
Joint venture
CGD utility for Delhi NCR — CNG + piped PNG. Largest by volume in India.
Listed
Joint venture
CGD utility for Mumbai + adjoining areas — CNG + piped PNG. GAIL/BPCL JV.
Listed
Joint venture
India's largest LNG importer. Operates Dahej (22.5 MMTPA nameplate) and Kochi (5 MMTPA) re-gas terminals.
NSE close
₹ 286.05
2026-09-11
Joint venture
India's largest CGD player by authorised Geographical Areas. JV between Adani group and TotalEnergies.
Listed
JVs at the refining and CGD boundary, not separately listed.
Joint venture
Single-site 11.3 MMTPA refiner + petrochem integrated complex at Bathinda, Punjab. HPCL + Mittal Energy JV.
Unlisted
Joint venture
CGD + LNG-mobility JV between IOC and Adani Total Gas. 19 Geographical Areas across India.
Unlisted