Tata Steel
Tata Steel Limited (formerly Tata Iron and Steel Company Limited or TISCO) is an Indian multinational steel-making company. Their headquarters are in Mumbai. Tata is a subsidiary of the Tata Group. It was the 12th-largest steel-making company in the world in 2012. It can make about 23.8 million tonnes of crude steel each year. They are the largest private sector steel company in India measured by domestic production.