Top 10 Oil and Gas Companies in India | Suppliers & Company list 2026

What is the size of India Oil and Gas Market?

The growth of this industry is driven by rising energy demand, government investments in exploration and production, and the country’s growing focus on energy security.

This report emphasizes the Top 10 Oil and Gas Companies in India, as acknowledged through widespread analysis conducted by 6Wresearch internal database. Directed by in-depth market evaluation and industry experts, these leading companies have been known as the primary leaders driving growth and innovation in the India Oil and Gas Industry.

List of Leading Companies in the India Oil and Gas Market

Below is a comprehensive list of the leading market players driving growth in this sector:

1. Indian Oil Corporation Limited (IOCL)

Indian Oil is the country’s leading downstream oil company, engaged in refining, pipeline transportation, and marketing of petroleum products, with a growing focus on alternative fuels.

2. Oil and Natural Gas Corporation Limited (ONGC)

ONGC is India’s largest oil and gas exploration and production company, operating both onshore and offshore assets and contributing significantly to the nation’s energy supply.

3. Bharat Petroleum Corporation Limited (BPCL)

BPCL is a major state-owned oil and gas company involved in refining, marketing, and distribution, with active investments in renewable energy and biofuels.

4. Reliance Industries Limited (RIL)

Reliance is a diversified conglomerate with significant operations in oil refining, petrochemicals, and upstream exploration, known for running the world’s largest refining complex in Jamnagar.

5. Oil India Limited (OIL)

Oil India is a leading upstream company engaged in exploration, production, and transportation of crude oil and natural gas, with expanding overseas operations.

6. Hindustan Petroleum Corporation Limited (HPCL)

HPCL operates extensive refining and fuel retailing networks and is diversifying into petrochemicals and clean energy solutions.

7. GAIL (India) Limited

GAIL is India’s largest natural gas transmission and marketing company, spearheading the expansion of gas pipeline infrastructure and LNG imports.

8. Petronet LNG Limited

Petronet LNG is India’s premier LNG importer and regasification company, playing a critical role in meeting the country’s clean energy needs.

9. Cairn Oil & Gas (Vedanta Limited)

Cairn Oil & Gas is a leading private sector upstream company in India, operating key oilfields and focusing on enhanced oil recovery and unconventional resources.

10. Adani Total Gas Limited

Adani Total Gas is a growing player in city gas distribution, supplying natural gas to households, industries, and transport, with a strong sustainability focus.

Top 10 Oil and Gas Companies in India : FAQs