Maruichi Steel Tube Ltd. engages in the manufacture and sale of specialized steel structures. Its products include general structural and building structural tubes, mechanical tubes, agricultural steel pipes, pipe pilings, gas and water pipes, line pipes, electrical conduits, and tapered poles. The firm operates through the following segments: Japan, North America, and Asia. The company was founded on December 18, 1947 and is headquartered in Osaka, Japan.