Manufactures and sells automotive components, leveraging press processing technology to develop and produce metal and resin parts. Supplies components to automotive manufacturers, supporting the transportation equipment industry.

Manufactures and processes metal products using diverse metal processing technologies. Supplies precision components and large-scale structural products to automotive, machinery, and construction industries.

Manufactures and sells chemical products based on organic synthetic chemistry, including pharmaceutical intermediates, agrochemicals, functional chemicals, and electronic material-related chemical products.

Designs, constructs, and sells wooden residential houses. Offers a wide range of products from affordable custom homes to built-for-sale houses. Also operates renovation services, providing comprehensive housing-related solutions.

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.

Manufactures and sells tungsten-related products including electronic components, cemented carbide tools, and lighting filaments for industrial applications, serving as a supplier of high-performance materials.

Manufactures and processes metal products including steel and non-ferrous metal components. Provides diverse metal processing services such as press forming and welding. Supplies parts for automotive and industrial machinery applications.

Provides design, construction, and management services for civil engineering, building construction, and land development projects, primarily operating in the Niigata region.

Comprehensive construction company engaged in infrastructure projects including railways and roads, civil engineering works such as tunnels and bridges, and building construction with extensive domestic and international project experience.

Manufactures and sells chemical products including plastic materials, chemical compounds, and functional materials for automotive, electrical, and construction industries.