Preconstruction services; Construction services; Construction project management services; Construction consultancy; General construction contracting; Geotechnical Services; Engineering Services; Construction project management services in the field of wind energy construction, solar energy construction, renewable energy services, renewable energy construction, transportation construction, bridge construction, railway construction, airport construction, roadway construction, parking facilities, landfills, deicing facilities, dams construction, sewage collection systems, pump stations, water improvement, stream and waterway reconstruction, wetland restoration, dredging projects