Engaged in the smelting, processing and sales of non-ferrous metals, manufacturing and supplying metal materials including copper, aluminum and zinc. Provides high-quality metal products for the electronics and automotive industries.

Provides freight transportation services centered on land transport operations. Offers general cargo transport and specialized transport via truck fleet. Builds efficient distribution networks to optimize domestic logistics solutions.

Provides comprehensive construction services including civil engineering, building construction, and machinery installation works. Handles large-scale infrastructure projects and building construction, delivering integrated construction solutions.

Manufactures and distributes protective apparel, masks, gloves, and hygiene products. Supplies industrial materials, medical supplies, and occupational safety equipment through wholesale operations.

Manufactures and sells pulp and paper products including specialty papers, corrugated medium, and kraft paper for domestic and international customers. Focuses on developing environmentally conscious paper products.

Manufactures and sells concrete products including pipes, blocks, and retaining walls for civil engineering and construction applications. Also produces prestressed concrete products, supporting infrastructure development and construction projects.

Designs, manufactures, and sells household electrical appliances including fans, humidifiers, air purifiers, and cooking appliances. Offers practical and high-quality electrical products for consumers.

Life insurance products sold and provided through postal offices nationwide. Offers death benefits, medical coverage, and retirement savings insurance products, leveraging the extensive postal network for insurance services.

Operates comprehensive land transportation services centered on railway business, including bus, taxi, and freight transport. Provides passenger transportation and logistics services based in the Fukuoka region.

Operates publishing business including books, magazines, and e-books; content production and distribution of anime, films, and games; and media mix business encompassing light novels and character merchandise.