Drilling machines; machine tools; motors and engines (other than for land vehicles); machine couplings and transmission components (other than for land vehicles)

Scientific, nautical, surveying, geological, oceanographic, weighing, measuring, signaling and checking (supervision) apparatus and instruments; material testing instruments and machines; apparatus for identification, tracking, detection and treatment of objects and pollutants in the sea

Water distribution apparatus; water purifying apparatus and machines

Building materials, not of metal; non-metallic rigid pipes for building; buildings, not of metal; transportable buildings not of metal; ducts not of metal; non-metal tubes

Construction, repair, installation services, maintenance and operation of industrial plants, industrial units and turnkey infrastructures for processing, compressing, transporting, developing and transferring petroleum, water, gas, chemical products and other energy products; construction, repair, installation services, operation and maintenance of industrial storage tanks for gas and liquids; information relating to construction, repair, installation, maintenance and operation of industrial plants, industrial units and turnkey infrastructures for processing, compressing, transporting, developing and transferring petroleum, water, gas, chemical products and other energy products and relating to construction, repair, installation, maintenance and operation of industrial storage tanks for gas and liquids; drilling of wells; demolition of buildings; information relating to the drilling of wells and the demolition of buildings; clean-up of water and port, maritime and land sites; cleaning of sea-beds; construction consultation

Transport, distribution, shipping, delivery and storage of petroleum, water, gas, chemical products and other energies; information on transport, distribution, shipping, delivery and storage of petroleum, water, gas, chemical products and other energies

Processing of metals, petroleum, gas, water, chemical products, other energies and waste; coppersmithing; grinding; refining services; soldering; purification of air and water; decontamination of hazardous materials; sorting of waste and recyclable raw material (transformation); information relating to treatment of materials, metals, petroleum, water, gas, chemical products, other energies and waste, relating to boiler-making, grinding, refining and welding and relating to purification of air and water, decontamination of dangerous materials, sorting of waste and raw materials (transformation), clean-up of water and port, marine and land sites and cleaning of sea-beds

Evaluations, assessments, research and reports in the scientific and technological fields provided by engineers; industrial research and analysis services provided by engineers; research and development of new products for others; technical research services; technical project study; engineering; surveying (engineering work); analysis for oil-field exploitation, checking of oil wells; oil-field surveys; oil prospecting; geological surveys; geological prospecting; geological research services; underwater exploration