List of companies of India
is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world.
In 2019, the Indian economy was the world's fifth largest by nominal GDP and third largest by purchasing power parity. Following market-based economic reforms in 1991, India became one of the fastest-growing major economies and is considered a newly industrialised country.
For further information on the types of business entities in this country and their abbreviations, see "Business entities in India".
Largest firms
This list shows firms in the Fortune Global 500, which ranks firms by total revenues reported before March 31, 2020. Only the top ranking firms are included as a sample.| Rank | Image | Name | 2019 Revenues | Employees | Notes |
| 106 | Reliance Industries | $82,331 | 194,056 | Reliance Industries is a true conglomerate with interests in energy, petrochemicals, textiles, natural resources, retail, and telecommunications. | |
| 117 | Indian Oil Corporation | $77,587 | 35,442 | Indian Oil provides products and services all along the energy value chain, and is India's largest commercial entity. The firm has been on the Global 500 as long as the list has been recorded. | |
| 160 | Oil and Natural Gas Corporation | $61,420 | 43,743 | State-owned crude oil and gas company, currently the largest in India. | |
| 236 | State Bank of India | $47,286 | 257,252 | The bank is a state-owned, multi-national financial services entity, founded in 1806 as the Bank of Calcutta. The firm operates in more than 36 countries. | |
| 275 | Bharat Petroleum | $42,935 | 12,865 | Government controlled oil and gas company in Mumbai, operating large refineries in Kochi and Mumbai. |