Top 10 Oil and Gas Companies in India


The oil and gas sector plays a pivotal role in India’s economic growth and serves as the backbone of the nation’s prosperity. Many oil and gas companies in India are at the forefront of driving this growth, offering business opportunities to raw material suppliers and serving as vital fuel providers. Most of these companies are Public Sector Undertakings (PSUs) organized by the Indian government. In this comprehensive guide, we’ll delve into the top 10 largest oil and gas companies in India, highlighting their unique contributions and specialties in shaping the nation’s energy landscape.

1. Indian Oil Corporation   

Indian Oil Corporation Limited, headquartered in New Delhi, stands as the largest public sector oil and gas company in India. With a turnover of 28 billion dollars and more than 35,000 employees, Indian Oil operates an extensive network of fuel stations across the country. It’s a leader in various segments, including AutoGas, Xtra Premium, Xtra Mile, IndaneGas, and Servo Lubricants and Greases.

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2. ONGC   

Oil and Natural Gas Corporation (ONGC), headquartered in Dehradun, Uttarakhand, ranks eighth globally and third in India among oil and gas companies. With a yearly turnover exceeding 6.5 billion dollars, ONGC is one of the country’s most reliable organizations, employing over 33,000 individuals. It plays a vital role in hydrocarbon exploration in 26 sedimentary basins and manages an extensive pipeline network of over 11,000 kilometers.

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3. Bharat Petroleum   

Bharat Petroleum Corporation Limited, headquartered in Mumbai, Maharashtra, boasts a turnover of 40 billion dollars and a workforce of over 15,000 employees. It holds a significant share of the market in India among PSUs and operates three major refineries, along with an extensive network of petrol pumps and LPG distributors. Bharat Petroleum is known for its commitment to delivering high-quality oil, gas, and petroleum products.

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4. Reliance Petroleum Limited   

Reliance Petroleum Limited, headquartered in Ahmedabad, has been a versatile and customer-centric player in the oil and gas sector for decades. A subsidiary of Reliance Industries Limited, it’s actively involved in oil and natural gas exploration and marketing. The company operates one of India’s largest non-state refineries in Jamnagar, Gujarat.

5. Essar Oil Limited   

Essar Oil Limited, part of the Essar Group, is a well-established name in India’s oil and gas industry. With its headquarters in Mumbai, Essar Oil is engaged in the exploration, production, purification of crude oil, and marketing of petroleum products. It operates a major refinery in Vadinar, Gujarat, making it one of India’s prominent non-state refiners.

6. Cairn India   

Founded in 2007 and headquartered in Gurgaon, Haryana, Cairn India is making strides in the oil and natural gas sector. With a turnover of 3.4 billion dollars and a workforce exceeding 2,000 employees, it stands out for its extensive business coverage. Cairn India plays a crucial role in producing top-quality oil, gas, and petroleum products, serving both Indian and international markets.

7. Gas Authority of India   

The Gas Authority of India (GAIL), headquartered in New Delhi, is a prominent state-owned oil and natural gas company with over 4,000 employees and a turnover of 8 billion dollars. GAIL is known for its significant influence in India’s oil and gas industry, supplying affordable oil, gas, and petroleum products. It holds Maharatna status and is considered one of the country’s most trusted brands.

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8. Hindustan Petroleum Corporation   

Hindustan Petroleum Corporation Limited (HPCL) is a state-owned oil and natural gas company based in Mumbai, Maharashtra. With a turnover of 8 million dollars and over 18,000 employees, HPCL has earned Navratna status. It ranks among the top companies in India and plays a vital role in refining and marketing petroleum-based products.

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9. Oil India Ltd   

Oil India Limited (OIL), headquartered in Duliajan, Assam, is the second-largest Indian public sector hydrocarbon exploration and production (E&P) company. With a turnover of 35 billion dollars, OIL is actively involved in the development, exploration, and production of crude oil and natural gas. It holds a substantial market capitalization and serves as a crucial player in India’s oil and gas sector.

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10. Tata Petrodyne   

Tata Petrodyne, a subsidiary of the esteemed Tata Group, is a leading oil and gas company headquartered in Mumbai. With an annual turnover of around 200 billion dollars, it excels not only in its core business of gas, oil, and petroleum products but also in providing exceptional customer service. Tata Petrodyne holds interests in offshore blocks in the UK, Australia, and several onshore and offshore blocks in India.


The oil and gas companies in India are pivotal in driving the nation’s economic growth and energy needs. From giants like Indian Oil Corporation and ONGC to emerging players like Cairn India and Tata Petrodyne, each company plays a unique role in shaping the energy landscape. These organizations not only contribute significantly to the economy but also offer extensive employment opportunities. The Indian oil and gas sector, with its vast production processes and a dedicated workforce, remains a critical resource for the nation’s development.