Business Areas
Today, we are transforming countries and
communities worldwide.

Domestic Consulting
Water resources and waterways
Dams and power generation
Urban and regional development
Transportation
Disaster prevention
Environmental management
Project management, etc.
International Consulting
Water resources and waterways
Energy
Urban and regional development
Transportation
Agriculture and rural development
Environmental management, etc.
Power Engineering
Manufacturing of equipment and
devices for power generation/
transmission/distributionConstruction of electrical facilities
Mechanical and electrical consulting
Geotechnical investigation
Sale of civil engineering
measurement devicesManufacturing and sale of safety
gear and equipment, etc.
Energy
Generation of electricity (renewable energy)
Energy solution
Urban & Spatial Development
Architecture
Landscape and urban design
Refurbishment of historic buildings, etc.
The Nippon Koei Group provides domestic and international engineering consultation, power engineering and other services in a wide range of fields, including water, energy, transportation, disaster prevention and environmental management. Our goal is to improve the social infrastructure that is the foundation for people's daily lives.
Domestic Consulting
With operating bases in all 47 prefectures of Japan, we are engaged in the development and maintenance of waterways, roads and other social infrastructure, and regional development projects that enhance safety and quality of life. Orders from the national government and local governments account for most of the sales in this business.
Water resources and waterways
Dams and power generation
Urban and regional development
Transportation
Disaster prevention
Environmental management
Project management, etc.




International Consulting
Nippon Koei leads all firms involved in international engineering consultation in Japan in sales from official development assistance (ODA) projects, which make up the bulk of sales in this business. The Group conducts many projects to support the growth of developing countries in Asia, Africa, the Middle and Near East, Latin America and other regions.
Water resources and waterways
Energy
Urban and regional development
Transportation
Agriculture and rural development
Environmental management, etc.




Power Engineering
This business develops power resources and offers services to support electricity demand both overseas and in Japan. Services in this business cover construction and repair of substation facilities, construction of central monitoring and control systems for efficient monitoring and control of power systems, construction of dam control systems at hydroelectric power plants, and manufacturing of related equipment.
Manufacturing of equipment and devices for power generation/transmission/distribution
Construction of electrical facilities
Mechanical and electrical consulting
Geotechnical investigation
Sale of civil engineering measurement devices
Manufacturing and sale of safety gear and equipment, etc.



Energy
In response to recent domestic and foreign energy demands, we perform a power generation business and the energy management business that utilized the distributed energy resources such as renewable energy or the energy storage system. In addition, development, a design, construction, management, administration, support and a system,technology development and so on.
Generation of electricity (renewable energy)
Energy solution

Urban & Spatial Development
This business focuses on structural design of buildings such as commercial facilities, train stations, schools and medical facilities. With a focus on meeting development demand primarily in emerging Asian countries, the Nippon Koei Group contributes to the creation of comfortable and attractive living spaces by offering services such as urban development surrounding railway lines and in cities, designing airport buildings and train stations, etc.
Architecture
Landscape and urban design
Refurbishment of historic buildings, etc.
R&D Center
Through its basic research for the future and applied research that is directly linked to practical business, the R&D Center serves as a technical and human resource hub in working with different departments and Group companies. It helps to enhance our strengths in engineering consultation by promoting technological development.
