M.C.S. Steel Public Company Limited engages in the production and distribution of structural steel products for building construction in Thailand, China, and Japan. The company fabricates 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.