M.C.S. Steel Public Company Limited produces and distributes structural steel products for building construction in Thailand and internationally. The company engages in the fabrication of steel structure buildings, power plants, bridges, and general steel works. It is also involved in welder training and real estate activities; and the provision of engineering and design services, as well as parts. The company was formerly known as M.C.S. HOKOKU CO., LTD. and changed its name to M.C.S. Steel Public Company Limited in 2001. M.C.S. Steel Public Company Limited was incorporated in 1992 and is headquartered in Ayutthaya, Thailand.