TMT Steel Public Company Limited, together with its subsidiaries, manufactures, processes, distributes, and sells structural steel plates and sheets in Thailand. Its flat products include hot rolled cut sheets and plates, hot rolled plates, slitted coils, flat bars, and checkered plates. It also offers hot rolled steel sections such as H-beams, wide flanges, I-beams, channels, angles, cut-beams, round bars, and deformed bars, as well as cold formed products including round, square, and rectangular tubes, square and rectangular tube GI, carbon steel pressure pipes, lip and light channels, lip channel GI, and light angles. The company also provides electronic commerce services. Formerly known as Thai Metal Trade Public Company Limited, TMT Steel Public Company Limited was founded in 1976 and is headquartered in Bangkok, Thailand.