
Business Overview
Understanding the Business Environment and Initiatives in FY2022
In the domestic market, orders for disaster prevention, disaster reduction, national resilience-related construction, and renovation of aging infrastructure have remained strong. We anticipate a consistent level of orders in the near term. Our civil engineering business has also trended up smoothly due to orders for large-scale highway renovation projects and tunnels.
In fiscal 2022 performance, in addition to the largescale overseas construction projects, we also secured high individual order received of 174,200 million yen, surpassing the target of 155,000 million yen by a significant margin. Furthermore, our focus on improving productivity resulted in higher sales and profits, achieving the highest profit levels in our history.
Characteristics and Strengths of the Business
Based on our extensive experience, we provide the optimal design and construction technology in the construction and maintenance and renewal of civil engineering structures that support societal infrastructure, such as bridges, tunnels, river improvements, land development, and water supply and sewerage facilities.
In the prestressed concrete (PC) bridge sector, we take pride in being one of the industry's leading firms in terms of design and construction achievements. We promote technological development, such as new structural forms and construction methods using precast concrete (PCa) to shorten length of projects and streamline constructions. Through these, we can offer high-quality, durable, and easily maintainable bridges.
Domestically, we will continue to focus on superior technologies, including PC bridges, and concentrate on large-scale renovation projects such as deck slab replacement and new tunnel construction. In addition, to realize a sustainable society, we will strategically leverage our expertise in decarbonization-related fields, such as offshore wind power generation and ammonia storage facilities. Internationally, we have steadily accumulated a track record of large-scale projects, such as subways and high-speed railways, establishing our competitive edge. We view overseas operations as our growth engine and aim to further expand orders received, while considering a balance with our domestic operations. We will build a favorable cycle by deploying cuttingedge construction technology overseas and continue to develop civil engineering businesses both domestically and internationally.
FY2023 Policies
Taking into consideration that the backlog of construction projects for fiscal 2022 reached a record high of 340,000 million yen, for fiscal 2023, we have set an order received target of 90,000 million yen and a sales target of 140,000 million yen, aiming for improved quality in our order strategy. We aim to maintain strong performance in technical proposals for comprehensive evaluation bidding method and strive to secure projects with high productivity and profitability.
Moreover, in order to further enhance productivity and profitability, we will continue with technological development and promote digital transformation (DX), while striving to reduce on-site workloads through collaboration among head and branch offices, realizing workstyle reforms. By establishing a foundation where each employee can excel, we aim for the steady growth of our business.
Risks and Opportunities
Enhancing Technology ― Realizing a Sustainable Society

DX technology
Automation Technology for Reinforcement Assembly
― Robotaras®Ⅱ

Image of reinforcement assembly for PC floor slabs
(Notogawa Plant)
- Improved reliability
-
In this system, reinforcement and bundling work are performed by machines, eliminating human errors and improving work reliability.
- Increased productivity
-
Approximately 85% of the total weight of reinforcement is automated, allowing two people to assemble two slabs daily, that previously required six people to complete, achieving a threefold increase in productivity through automation.
- Safety assurance
-
The system is configured to automatically stop the equipment if a person or object enters the safety fence during operation, ensuring safety.
Revolutionize Construction Process

Technology used to realize a sustainable society
Participation in the Feasibility Assessment of Floating Offshore Wind Power Projects

- Taking on challenge into growth areas
- Positioning floating offshore wind power as a growth area that will play a role in the future of civil engineering, we participate in this feasibility assessment.
- Utilization of precast manufacturing technology
- Leveraging the technology and know-how for the rapid production of concrete components in large quantities, we are responsible for the construction of concrete floating foundations for large-scale commercial farms in Japan that use large wind turbines.
Realizing a Sustainable Society /
Contribution to Global Environment
Participation in and results of a feasibility study of a floating offshore wind project