About us

• Greetings from the President, Corporate Philosophy, Action Guidelines
• Company profile
• History
• Office
• Affiliated company
• News list
• Notice

IR

Business

• Construction
• Pavement civil engineering
• General civil engineering
• Sports facilities
• Soil / Groundwater purification
• Building Construction
• Resort facility management
• Manufacturing / Sales
• Manufacturing / Sales
• Overseas operations
• Overseas
• Development (real estate business)
• Development (real estate business)

Technical information

• Green Technology
• Safety
• Comfort & Amenity
• Durability Improvement
• Maintenance
• Cost Effective

ESG

• SDGs 2030 Targets
• Environmental initiatives
• Environmental policy
• Social efforts
• Health and safety policy
• Quality policy
• Cycling road race team
• Governance
• Basic policy of company management

日本語版

• 日本語版サイトマップ

• Handling of personal information
• Disclaimer