Siam Steel International Public Co. Ltd. engages in the manufacture and sale of steel, office equipment, furniture, and furniture parts. The firm operates through the following segments: Furniture, Construction Work, and Energy. Its product lines include desks and tables, cabinets, lockers, combine furniture and shelving system, chairs, safes, partitions, and other groups such as bleachers and folding stages. The company was founded in 1953 and is headquartered in Samut Prakan, Thailand.