Gecoss Corp. engages in the sale and lease of construction materials, industrial equipment, and related machineries. The company is headquartered in Bunkyo-Ku, Tokyo-To and currently employs 1,379 full-time employees. The firm has two business segments. The Temporary Steel segment is engaged in the leasing and sale of temporary steel for construction materials, the design and building of temporary works, as well as the production and sale of specially processed products. The Construction Machinery segment is engaged in the leasing of construction machinery.