Tata Steel Limited is an Indian multinational steel manufacturing company and a subsidiary of the Tata Group. Headquartered in Mumbai, Maharashtra, the company's primary production facilities are located in Jamshedpur, Jharkhand. Formerly called Tata Iron and Steel Company Limited, Tata Steel ranked among the world’s 50 largest crude-steel producers in 2022–23, with an annual capacity of about 35 million tonnes. With a domestic crude-steel capacity of 21.6 million tonnes, Tata Steel Limited is the largest steel producer in India, followed by the Steel Authority of India Limited. Tata Steel, SAIL and Jindal Steel and Power are the only Indian steel companies that operate captive iron-ore mines. The group reported consolidated revenue of US $31 billion for the financial year ending on 31 March 2023. Tata Steel is the 486th-largest company in the world by revenue. It was the seventh-most valuable Indian brand of 2013, according to Brand Finance. Tata Steel operates in 26 countries, with key operations in India, the Netherlands, and the United Kingdom, employing around 78,300 workers globally. Its largest plant is located in Jamshedpur, Jharkhand. Wikipedia