Top 10 Largest Oil And Gas Companies in India

Indian Oil and Gas Companies of the country are one of the core industries in India and backbone of the economy. Here is the list of India’s largest Oil And Gas Companies with list of refinery, natural gas processing and distribution company.

Indian Oil Corporation


Indian Oil Corporation Limited is the largest oil and gas company in India, also India’s largest downstream oil company and most profitable state-owned company, followed by Oil and Natural Gas Corporation.

Indian Oil has two major competitors in India known as Bharat Petroleum and Hindustan Petroleum, both are state controlled but Reliance Petroleum and Essar Oil are two more competitors in private sector.

Bharat Petroleum


Bharat Petroleum Limited is India’s second largest oil and gas company and also one of the world’s biggest corporations, headquartered in Mumbai. The company operates the refineries in India at Mumbai Refinery, Kochi Refineries, Numaligarh Refinery and owned by the Government of India.

Oil and Natural Gas Corporation


Oil and Natural Gas Corporation headquartered in Dehradun is the largest oil and gas exploration and production company in India. ONGC owned by the Government of India and ranked as the largest profit making PSU in India.

ONGC has acquired the entire stake of Hindustan Petroleum Corporation, also into the sports holding many sport teams and Life Insurance Corporation of India is second largest shareholder in the company.

Gail India Limited

Gas Authority of India is the largest state owned natural gas processing and distribution company with Maharatna status in India. GAIL is India’s most trusted brand and the company also owns the largest pipeline network in India.

Reliance Petroleum

Reliance Petroleum by Reliance Industries Limited is based in Ahmedabad and the Jamnagar Refinery which is currently the largest refinery in the world is owned by Reliance Industries Limited.

Hindustan Petroleum


Hindustan Petroleum is among the top public sector companies in India and the refineries producing wide variety of petroleum fuels in India. The company also own largest lubricant refinery in India and also listed as one of the most valuable brand in India.

Oil India


Oil India Limited is a Indian public sector company headquarters in Duliajan of Assam, engaged in the business of production of crude oil and natural gas. Oil India is part of the list of Maharatna and Navratna Companies in India, as part of Public sector undertakings.

Cairn India


Cairn India is a subsidiary of Vedanta Resources and one of the largest oil and gas production company in India with a unique working culture of on average 4 days a week working. Cairn is a subsidiary of Vedanta Resources and listed on the Bombay Stock Exchange and National Stock Exchange of India.

TATA Petrodyne Limited

TATA Petrodyne Limited is one of the independently company operates under the subsidiaries of Tata Group in Energy sector along with Tata Power,Tata Solar and Powerlinks Transmission.

Nayara Energy (Essar Oil)


Essar Oil Limited is known as Nayara Energy that operates a major refinery in Vadinar, second largest non-state refinery in India.
The company owned by Russia oil company, Rosneft 49% stak and engaged in the exploration of crude oil petroleum products.

Chennai Petroleum Corporation is one of the company of Indian Oil Corporation headquartered in Chennai and a joint venture between NIOC, AMOCO and GOI with two refineries in India.

  • Shell Oil Company is amongst the largest oil companies in the world.
  • Petronet LNG has the country’s first LNG receiving terminal.
  • Haldia Petrochemicals is the largest petrochemical company in India
  • Aban Offshore is India’s largest offshore drilling services provider.
  • Jamnagar Refinery is currently the largest refinery in the world.
  • Castrol India is the largest manufacturer of automotive lubricants in India.

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