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 (TISCO), Tata Steel ranked among the world’s fifty largest crude-steel producers in 2022–23, with an annual capacity of about 35 million tonnes. The group (excluding its South-East Asian operations) reported consolidated revenue of US $31 billion for the financial year that ended on 31 March 2023.
https://en.wikipedia.org/wiki/Tata_Steel