Operates maritime transportation services centered on vessel management and ocean freight logistics. Leverages domestic and international port networks to provide cargo transportation and comprehensive logistics solutions in the shipping industry.

Manufactures and sells heat exchangers, pressure vessels, and piping equipment for petrochemical, power generation, and food industries, providing machinery designed for high-temperature and high-pressure applications.

Provides electrical construction, telecommunications construction, and air conditioning equipment installation services. Comprehensive construction company handling diverse projects from power infrastructure to building systems.

Provides electrical construction, telecommunications construction, and air conditioning installation services, specializing in design, construction, and maintenance of electrical systems for buildings, factories, and commercial facilities.

Provides comprehensive construction services in energy and telecommunications sectors, including power transmission and distribution line construction, communication cable installation, and electrical equipment project management.

Operates railway services connecting central Tokyo with Hakone and Izu regions, alongside bus, taxi, hotel, and department store operations. Engages in comprehensive transportation and lifestyle services including area development and tourism-related businesses.

Operates railway services primarily in southern Hyogo Prefecture, providing passenger and freight transportation, developing and operating station facilities and adjacent properties, and leasing real estate.

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 works, building construction, and facility construction projects, contributing to regional infrastructure development and project realization.

Provides comprehensive construction services including planning, design, construction, and management. Specializes in civil engineering and building construction works, addressing various infrastructure development projects.