India is a country in South Asia. It is the seventh-largest country by area, the second-most populous country (with over 1.4 billion people), and the most populous democracy in the world.

The Indian economy is the world's fifth largest by nominal GDP and third largest by purchasing power parity.^[1][2] 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 31 March 2020.^[3] Only the top ranking firms (if available) are included as a sample.

Rank	Image	Name	2019 revenues (USD $M)	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.

Notable firms

This list includes notable companies with primary headquarters located in the country. The industry and sector follow the Industry Classification Benchmark taxonomy. Organizations which have ceased operations are included and noted as defunct.