Tomoku Co., Ltd. engages in the manufacture and sale of corrugated paper, corrugated paper containers, and printed paper packaging materials. The company is headquartered in Chiyoda-Ku, Tokyo-To and currently employs 3,830 full-time employees. The firm operates through three segments. The Corrugated Cardboard segment is engaged in the manufacture and sale of corrugated cardboard sheets, corrugated cardboard cases, and printed paper containers. The Housing segment is engaged in the design, construction, supervision, and sale of detached houses using imported and domestic housing materials. The Transportation and Warehousing segment is engaged in freight transportation and warehousing operations.