Installations for dissociating, purifying, washing, liquefying and re-evaporating hydrocarbons, gas, petroleum or petroleum fractions, refinery gases and methane; installations for cracking mixtures of liquid and gaseous hydrocarbon; installations for generating synthetic gases and artificial methane; installations for liquefying carbon and for reducing carbon to gas, reactors for chemical reactions; machines for liquefying gas and industrial liquid gases, and natural and refinery gases; gas pipelines being parts of the above-referenced installations; installations for the production of fertilizers; installations for the production of chemical additives for fuels

Construction, construction supervision, installation, repair, modification, maintenance services of industrial plants and infrastructure to produce, refine, conduct, storing, transporting and distributing fluids and liquids, in particular water, hydrocarbons, petroleum, gas, natural and refined gas, liquid gas and chemicals; construction, construction supervision, installation, repair, modification, maintenance services of petrochemical plants, chemical installations, distribution networks for the transport of fluids, liquids and fuels, in particular water, hydrocarbons, petroleum, natural and refined gas, gas and liquid gas, or fuel gas, gaseous mixtures of fuels; environmental land reclamation of industrial sites; construction, repair, modification and maintenance services of facilities for the production, storage and transport of energy; construction, repair, modification or maintenance services of plants for the production of fertilizer; construction of onshore and offshore oil and gas wells for exploration and production of oil and gas fields or for geothermal power; construction, construction supervision of floating means in the nature of barges, semisubs, vessels and platforms, boats or subsea means in the nature of submarines, AUT (autonomous underwater vehicles), ROV (Remotely Operated Vehicles) and subsea packages and modules; construction, construction supervision of railways, rail networks and infrastructure in the nature of roads, highways, bridges, tunnels, viaducts, overpasses and underpasses for the transport of people and goods; construction, construction supervision of marine, lake and river infrastructure in the nature of bridges, harbors, jetties, weirs, dams

Transporting, storage, distribution and terminalling through pipelines, by road, sea and air of water, hydrocarbons, crude oil, petroleum products, gas, liquid natural gas and liquefied petroleum gas, petrochemical and chemical products

Treatment of materials, namely, hydrocarbons, petroleum, natural gas, refinery gases, gas, liquid gas and chemicals; production, refining, processing and purification of hydrocarbons, petroleum, natural gas, refinery gases, gas, liquid gas and chemicals, reclamation of production waste through separation, treatment, gathering and removal of waste of all kinds

Scientific and technological services, namely, research analysis and testing in the field of production, processing, transport and supplying of water, hydrocarbons, petroleum, natural gas, refinery gases, gas, liquid gas, of chemical and petrochemical apparatus, of oil or gas wells and of oil or gas fields, including on-shore, marine or offshore oil or gas wells and oil or gas fields; research, design and engineering services of installations and plants for the production, processing, transport and supplying of water, hydrocarbons, petroleum, natural gas, refinery gases, gas, liquid gas, of chemical and petrochemical apparatus, of oil or gas wells and of oil or gas fields, including on-shore, marine or offshore oil or gas wells and oil or gas fields; research services, engineering and providing technical calculations in the fields of extraction, production, refining, processing of water, hydrocarbons, petroleum, natural gas, refinery gases, gas, liquid gas and chemicals, development of industrial processes for processing water, hydrocarbons, petroleum, natural gas, refinery gases, gas, liquid gas and chemicals, exploration of water, petroleum and natural gas; analyses of water, oil and gas wells; consulting, research and development of new technologies in relation to reclamation of areas, installations and/or industrial processes in the field of production, processing, transport and supplying of water, hydrocarbons, petroleum, natural gas, refinery gases, gas, liquid gas, of chemical and petrochemical apparatus, of oil or gas wells and of oil or gas fields, including on-shore, marine or offshore oil or gas wells and oil or gas fields; design services of railways, rail networks and infrastructure for the transport of people and goods; engineering services, design and development of installations, equipment and plants for generating, storing and transporting energy; design services of railway and transport of people and goods; engineering, design and development services of floating and underwater means in the nature of barges, semisubs, vessels and platforms and of submarines, AUT (autonomous underwater vehicles), ROV (Remotely Operated Vehicles) and subsea packages and modules; engineering, design and development services of marine, lake and river infrastructure in the nature of bridges, harbors, jetties, weirs, dams