建設事業
Civil Engineering
Construction Services
Infrastructure Development
Building Project Management
Site Survey and Design
Dam foundation construction
Geotechnical engineering
Environmental disaster prevention and mitigation
Urban regeneration and maintenance
Infrastructure construction
Energy conversion and CO2 reduction solutions
Industrial waste suppression and plastic elimination
社会インフラ整備
土木工学サービス
環境保全事業
文化遺産保全
災害復旧サービス
電力インフラ建設
維持管理サービス
