- Business
- TMT Steel Public Company Limited (TMT.BK) manufactures and distributes steel products primarily for the construction and infrastructure sectors in Thailand. The company produces a range of steel items including deformed bars under the TM brand, round bars, steel billets, wire rods, and welded wire mesh; it also provides steel processing services such as cutting, bending, and fabrication for ready-to-use construction applications. Founded in 1992 and headquartered in Bangkok, Thailand, TMT Steel operates production facilities in Rayong and other key industrial areas, serving domestic markets with a focus on residential, commercial, and public infrastructure projects.
TMT Steel maintains a vertically integrated model covering melting, rolling, and downstream processing, with key brands encompassing TMX deformed bars noted for high strength and ductility, TM round bars for general reinforcement, and specialized mesh products for concrete reinforcement. The company caters to contractors, real estate developers, and government entities across Thailand, with distribution networks spanning major provinces. Subsidiaries include entities handling logistics and trading to support its core manufacturing operations.
In recent developments, TMT Steel expanded production capacity through equipment upgrades at its Rayong plant in 2024, enabling higher output of premium deformed bars amid rising infrastructure demand; the company also formed strategic supply partnerships with major Thai construction firms to secure long-term billet sourcing. In 2025, TMT announced a new green steel initiative involving low-carbon production trials in collaboration with technology providers, aligning with Thailand's sustainability goals, alongside a debt refinancing deal to fund further facility modernization.