Class 037
Construction and Repair Services
Dredging services; cleaning services, namely, mechanically removing scale and sludge from tubes in steam generators in nuclear power plants; construction dewatering, namely, the removal of surface waters and groundwater to facilitate the construction of structures and pipelines; exploitation of oil and gas fields; construction services, namely, installation of environmental containment systems; waste disposal being environmental remediation services; drilling of wells; rock drilling; tunnel construction.