Tsuyoshi Yamamoto

Sankyo-Tateyama Holdings, Inc. is engaged in the manufacture, processing and sale of building materials and housing materials. The company operates in four business segments: The Building Materials Segment provides building sashes, doors, curtain walls, partitions and interior materials. The Housing Materials Segment offers sashes for houses, sliding doors, window screens, screen doors, interior materials, gate doors, fences, balconies, railings and kitchen systems. The Commercial Facility Segment maintains and manages shopping centers, convenience stores and other shops. The Materials and Others Segment provides aluminum billets, bars and various alloy products. The company was founded in December 1, 2003 and is headquartered in Takaoka, Japan.