Building construction, namely, construction and repair of buildings, marinas, docks, piers, piles, sea walls, bridges, dams, reservoirs, aqueducts, water supply and distributions systems, sewer systems, hydroelectric facilities, telecommunication facilities, tunnels and other underground structures, pipelines, offshore oil and gas facilities; underwater construction including cutting and patching of concrete and concrete placement and repair; underwater repair; marine construction; construction project management services in the fields of commercial, marine and underwater construction and repair; inspection services in the course of marine and underwater construction projects; above-ground and underwater building demolition services; pipeline construction and maintenance; ship repair; ship dismantling and disposal; environmental remediation services involving hazardous substance, including asbestos and lead-based paint, abatement, removal and disposal, namely, treatment of soil; repair and maintenance of diving machinery and apparatus; pile driving services; grouting services; underwater repair of pipelines, risers and flow lines; maintenance of oil and gas drilling, production and distribution facilities; cleaning and removal of underground storage tanks for offshore and underwater industries; vessel and rig support in the form of underwater operations, namely, installation of anodes, utility conduit, cable, and mooring and anchoring systems; repair and maintenance services relating to machinery equipment used in the fields of marine construction and exploration; laying, installing and maintenance of cables; installation, repair and maintenance of outfalls and intakes and parts thereof; maintenance services in the nature of pipelines and tunnels, namely, physically entering pipelines and tunnels to perform inspections, maintenance, upgrades and repairs; consulting services in the fields of commercial, marine and underwater construction and repair; hazardous waste disposal services; rental of oil pollution and control apparatus, namely, mechanical oil skimmers, floating boom and other control barriers, spill response trailers and other spill response equipment

Commercial underwater diving services, namely, air, mixed gas, and saturation diving; vessel salvage and wreck removal; underwater salvage, namely, underwater search and recovery services relating to submerged vessels and other property; marine transport, namely, transport by boat, ship, and truck, and marine towing; marine transport in connection with emergency responses for vessels in distress, refloating of ships, transport of crew, lightering operations, namely, ship fuel bunker recovery, removal and transfer, sea cargo recovery and removal, marine casualty containment, and pollution mitigation; launch, operation and retrieval of remotely operated marine vehicles; rental of remotely operated marine vehicles; chartering of marine vessels and marine vessel operations; rental and installation of ship fenders; rental of commercial diving equipment, namely, diving bells, compressed air work in connection with support of tunnelling construction, maintenance and repair of tunnel boring machines

Environmental services and hazardous waste management and remediation, namely, hazardous waste removal and the detection, containment and cleanup of oil and other pollutants in the water; underwater welding

Education services, namely, providing workshops, both in and out of the classroom, in the field of technical diving services and emergency response techniques; rental of diving equipment, namely, vessels, barges, saturation diving systems, machinery and equipment, underwater breathing apparatus, hyperbaric chambers for diver decompression and non-medical purposes, video cameras

Consulting services in the field of environmental assessment, planning and response; environmental testing and inspection services; marine surveying and survey design and research in connection therewith; marine inspection, namely, vessel, dock, pier, seawall, marina inspections and surveys; underwater inspection; structural inspection in the fields of oil and gas drilling, production and distribution facilities; underwater engineering and surveying services, and feasibility studies in connection therewith; services for offshore and underwater industries, namely, bottom surveys and mapping and facilities inspections; inspection of machinery and equipment used in the fields of oil and gas drilling, production and distribution facilities; environmental remediation and site restoration consultation, namely, evaluating and testing of soil, groundwater, and surface water for environmental hazards and pollutants; construction drafting