Environmental Business
Road Construction
Solar Power Generation Business
Social Infrastructure
Community Facilities
Environmental Consideration
Manufacturing and Sales of Asphalt Mix, Aggregates, and Construction Materials
Industrial Waste Collection, Transportation, and Treatment
Sale of Recycled Aggregates and Recycled Road Base Materials
Construction Design, Execution, and Supervision
Manufacturing, Sales, and Rental of Construction Machinery
Consulting
Building and Facility Maintenance Management and Security
Soil and Groundwater Contamination Survey, Assessment, Remediation, and Purification
Power Generation Business, Electricity Supply, and Sales
Real Estate Acquisition, Management, Utilization, Disposal, and Leasing
Real Estate Sales and Brokerage
Construction Business
Manufacturing and Sales Business
Other Businesses