Steel Authority of India Ltd. operates as a steel manufacturing company in India. Steel Authority of India Ltd. is an India based steel manufacturing company. It engages in the manufacturing, marketing and distribution of iron and steel products. The company produces basic and special steels for domestic construction, engineering, power, railway, automotive and defence industries. It also manufactures and sells a broad range of steel products, including hot and cold rolled sheets and coils, galvanised sheets, electrical sheets, structurals, railway products, plates, bars and rods, stainless steel and other alloy steels. The company was founded on January 19, 1954 and is headquartered in Kolkata, India.