Top Oil Companies

• Indian Oil Corporation

• IBP Co. Limited

• Lubricants India

• Oil Gas India

• Petrosil Group

• Shiv-Vani Universa

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• ONGC

• Bharat Petroleum

• Reliance Petroleum Limited

• Essar Oil Limited

• Gas Authority of India

• Hindustan Petroleum Corporation

• Aban

• Oil India Limited

• Tata Petrodyne

• Bongaigaon Refinery

• Gas Projects (India) Private Limited

• Hindustan Oil Exploration Company Limited

• India LPG

• Kochi Refineries Limited