Indian Oil Corporation
| Company type | Public | 
|---|---|
| ISIN | INE242A01010 | 
| Industry | Energy: Oil and gas | 
| Predecessor | 
 | 
| Founded | 30 June 1959 | 
| Headquarters | 
 | 
| Area served | India, Sri Lanka, Middle East, Mauritius | 
| Key people | Arvindar Singh Sahney, Chairman | 
| Products | |
| Revenue | ₹862,876 crore (US$100 billion) (2025) | 
| ₹17,063 crore (US$2.0 billion) (2025) | |
| ₹13,789 crore (US$1.6 billion) (2025) | |
| Total assets | ₹506,867 crore (US$60 billion) (2025) | 
| Total equity | ₹191,025 crore (US$23 billion) (2025) | 
| Owner | Government of India | 
| Number of employees | 30,439 (2024) | 
| Divisions | 
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| Subsidiaries | |
| Website | www | 
Indian Oil Corporation Limited (IOCL or IOC), trading as IndianOil, is an Indian multinational oil and gas company under the ownership of the Government of India and administrative control of the Ministry of Petroleum and Natural Gas. It is a public sector undertaking which is registered in Mumbai but headquartered in New Delhi. It is the largest government-owned oil producer in the country both in terms of capacity and revenue. It has consolidated refining capacity of 80.55MMTPA.
Indian Oil's business interests overlap the entire hydrocarbon value chain, including refining, pipeline, marketing of petroleum products, exploration and production of Petroleum, natural gas and petrochemicals. Indian Oil has ventured into renewable energy and globalisation of downstream operations. It has subsidiaries in Sri Lanka (Lanka IOC), Mauritius (IndianOil (Mauritius) Ltd), and the Middle East (IOC Middle East FZE).
Indian Oil is ranked 94th on the Fortune Global 500 list of the world's biggest corporations as of 2022. As of 31 March 2021, Indian Oil has 31,648 employees, out of which 17,762 are executives and 13,876 non-executives, while 2,776 are women.