Permsin Steel Works Public Company Limited, together with its subsidiaries, manufactures and distributes steel products in Thailand. It operates in three segments: Distribution of Rolled Steel, Manufacturing and Distribution of Metal Sheet, and Manufacturing and Distribution of Color Bond Steel Coil. The company's products portfolio includes hot and cold rolled steel, electro-galvanized steel, c-line, c-u, t-bar roll forming metal sheet, and c-channel galvanized high tensile strength products, as well as round pipes and galvanized round pipes for electrical wiring. It also provides steel cutting and slitting services. The company was founded in 1989 and is headquartered in Mueang Samut Sakhon, Thailand.