DUTRA

Asphalting; Construction dewatering, namely, the removal of surface waters and groundwater to facilitate the construction of structures and pipelines; Construction services, namely, concrete paving, site clearing, excavation, pad preparation, grading, and asphalt paving services; Dredging; Electrical contracting; Electrical contractor services; Environmental containment, namely, localization, drying and cleaning of particulate and moisture contaminants for buildings and contents therein; Hazardous waste disposal services; Installation of vehicular and pedestrian bridges; Marine construction; Quarry services; Quarrying services; Road construction; Technical consultation in the field of building materials, namely, cementitious materials, asphalt and aggregates; Underwater dredging