Construction of offshore platforms and facilities, oil and gas platforms, buildings, marine construction, pier construction, pipeline construction, steel structure construction works, underwater building and construction, floating facilities, refineries for oil, gas and other energy products, vessels, boats, ships, tugboats, fishing boats, dragging boats, dry docks, and dry dock facilities, wharfs, quays, panellings, dams, piers, bridges, platforms for research and production of oil and gas, light towers and light houses, platforms for sulfur mining, docking and mooring places, loading docks, power installations and industrial installations and factories; repair and maintenance services, namely maintenance and repair of apparatus and installations at offshore locations on and under water for use in offshore oil and gas exploration, drilling, pumping, transporting and refining; maintenance and repair of ships; maintenance and repair of floating offshore equipment for use in offshore oil and gas exploration, drilling, pumping, transporting and refining; maintenance and repair of pipelines; maintenance and repair of steel constructions and civil engineering constructions, namely offshore platforms and facilities, oil and gas platforms, buildings, marine construction, pier construction, pipeline construction, steel structure construction works, underwater building and construction, floating facilities refineries for oil, gas and other energy products, vessels, boats, ships, tugboats, fishing boats, dragging boats, dry docks, and dry dock facilities, wharfs, quays, panellings, dams, piers bridges, platforms for research and production of oil, light towers and light houses, platforms for sulfur mining, docking and mooring places, loading docks, power installations and industrial installations and factories; maintenance and repair of industrial installations, namely industrial installations for oil and gas exploration, drilling, pumping, transporting and refining; maintenance and repair of machines for use in offshore oil and gas exploration, drilling, pumping, transporting and refining; maintenance and repair of machines for use in vessels, boats, ships, tugboats, fishing boats, dragging boats, dry docks, and dry dock facilities, wharfs, quays, panellings, dams, piers, bridges, offshore platforms, platforms for research and production of oil, light towers and light houses, platforms for sulfur mining, docking and mooring places, loading docks, power installations and industrial installations and factories; building and constructing pipelines, drainage systems, oil and gas production facilities, light-installations, roads, wells and shafts; repair of vessels, the dragging of rivers and other waterways; installation of platforms; laying, repairing, maintaining and burying pipelines; construction of drilling pilings on land and sea; mining extraction; extraction of oil, gas and other energy-products by drilling and pumping; rental of apparatus for drilling and pumping of oil, gas and other energy-products

Transportation by truck, rail, air, ships and pipelines, namely distribution of energy, oil and gas; storage of energy, oil and gas; consultation and information in the field of storage and transportation of oil, gas and other energy products; rental of equipment used for transportation of oil, gas and other energy products by truck, rail, air, ships and pipelines

Design, planning and consultation for construction of offshore facilities, oil and gas platforms, buildings, marine construction, pier construction, pipeline construction, steel structure construction works, underwater building and construction, floating facilities, refineries for oil, gas and other energy-products, vessels, boats, ships, tugboats, fishing boats, dragging boats, dry docks, and dry dock facilities, wharfs, quays, panellings, dams, piers, bridges, offshore platforms, platforms for research and production of oil, light towers and light houses, platforms for sulfur mining, docking and mooring places, loading docks, power installations and industrial installations and factories; design of apparatus and installations for offshore locations on and under water for use in offshore oil and gas exploration, drilling, pumping, transporting and refining; design of apparatus and installations for ships and floating offshore equipment for use in offshore oil and gas exploration, drilling, pumping, transporting and refining; design of apparatus and installations for pipelines, steel constructions namely offshore facilities, oil and gas platforms, buildings, marine construction, pier construction, pipeline construction, steel structure construction works, underwater building and construction, floating facilities, refineries for oil, gas and other energy products, vessels, boats, ships, tugboats, fishing boats, dragging boats, dry docks, and dry dock facilities, wharfs, quays, panellings, dams, piers, bridges, offshore platforms, platforms for research and production of oil, light towers and light houses, platforms for sulfur mining, docking and mooring places, loading docks, power installations and industrial installations and factories; design of apparatus and installations for industrial installations, namely industrial installations for oil and gas exploration, drilling, pumping, transporting and refining; design of apparatus and installations for machines for use in offshore oil and gas exploration, drilling, pumping, transporting and refining; scientific and industrial research and technical studies; technical design of offshore facilities, oil and gas platforms, buildings, marine construction, pier construction, pipeline construction, steel structure construction works, underwater building and construction, floating facilities, refineries for oil, gas and other energy products, vessels, boats, ships, tugboats, fishing boats, dragging boats, dry docks and dry dock facilities, wharfs, quays, panellings, dams, piers, bridges, offshore platforms, platforms for research and production of oil, light towers and light houses, platforms for sulfur mining, docking and mooring places, loading docks, power installations and industrial installations and factories; quality control services in the fields of construction, repair and maintenance of equipment in use for oil and gas exploration, drilling, pumping, transporting and refining; quality control services in the fields of transportation, storage, research and extraction of oil, gas and other energy products