Evaluation, estimations, researches and reports in the scientific and technical fields namely engineering expertises, engineering services (studies, surveying); design and development of computer hardware and software, engineering services (studies, surveying), engineering services, chemical analysis, analysis for oil-field exploitation, computer systems analysis, chemical research, councils in mechanical engineering; computer system design, architectural consultation, industrial design, material testing, technical project studies, surveying, mechanical research, research physics, technical research, design and research services related thereto, supplied by engineers, experts and councils as regards evaluation, evaluation, research or construction, in the fields of chemistry, metallurgy, iron metallurgy, physics, mechanics, electricity, electronics, data processing, thermics, cryogenics, optics, energy, textile, paper, medical, biology, agricultural, geology, sugar industry, agroalimentary and of ethanol, automobile, glass, aluminium, cement

Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; ores. unwrought or semi-wrought steel, alloys of common metal, aluminium, reinforcing materials of metal for building, building materials of metal, frames of metal for building, nail products, water pipes of metal, scaffolding of metal, tin, unwrought or semi-wrought iron, cast iron, unwrought or semi-wrought, foundry molds of metal, nickel, cladding of metal for construction and building, lead, unwrought or semi-wrought, metal hardware, rails, posts of metal, containers of metal for storing acids, pipework of metal, zinc, pipes of metal, sealing bellows and expansion joints, metal containers for brewery, malt factory and for food industry

Machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs, sizing machines, axles for machines, concrete mixers, bitumen making machines, machines to make cement, woodworking machines, grinding machines, mixers (machines), separators (machines), crystallisers (machines), centrifuges (machines), blowtorches to be welded and cut out with gas, hoists, compressors (machines), generators of electricity, electric motors other than for land vehicles, packaging machines, metalworking machines, filtering machines, drilling machines, milling machines, tarring machines, emergency power generators, electromechanical machines for the chemical industry, machines for the textile industry, rolling mills, steam engines, handling apparatus for loading and unloading, electric cleaning machines and apparatus, washing machines, extractors (machines) for agribusiness industry, machines of filling and test of fluids, punching machines, pumps (machines), presses (machines for industrial purposes), oil refining machines, transmissions for machines, conveyors, winches, turbocompressors, glass working machines, vibrators (machines) for industrial use, stapling presses, rectifying machines, machines and installations allowing to treat the steel bands, machines of sorting and selection, machines of screwing and assembly, machines of convoying and storage, handling apparatus for loading and unloading, mixing machines, industrial manipulators (machines), tools (parts of machines), working machines, machines of automation, machine of thermocellage, brazing machines, machine of hooping, rotating machinery, laminating installations, tourneuses-milling machines, machines of forming of tube, brewing machines, malt factory and for food industry, machines of interior cleaning and clearing of the tubes, high-pressure cleaning apparatus, cleaning appliances utilizing steam, industrial machines for handling, transport, collating, machining, sorting, conditioning, delivering and storing boxes, shells, bags, pallets and containers, pharmaceuticals, specimens of laboratory, cosmetics, motor vehicles, components of motor vehicles, machines of assembly and manufacture of engines, power plants, transmissions, axles, gearboxes

Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, thermal, equipment of heat treatment, equipment of hardening, vat of hardening, heating appliances in particular by radiation, convection, induction or mixed appliances, heat accumulators, water softening apparatus and installations, hot air apparatus, air filtering installations, water heaters, heating boilers, conduits and tubes of heating of boilers, electric heating apparatus, air conditioning apparatus, air conditioning installations, water conduit installations, furnaces except for the furnaces for experiments, furnaces, melting furnaces, cold crucible, furnaces of graphitization, refining and smelters of glasses, of special silicates and glasses; heat treatment furnaces; reheating furnaces and in particular furnaces for hot rolling-mills, bell-type annealing furnaces; refrigerating apparatus and machines, gas scrubbing apparatus, gas generators, incinerators, heat pumps, water intake apparatus, nuclear reactors, sanitary apparatus and installations, sterilizers, refining towers for distillation, luminous tubes for lighting, refining towers for distillation, coolers, evaporators, recycleurs, unit heater, heat exchangers, exchanging out of aluminum brazed for the cryogenic processes, calciners, valves and fittings

Clutch linings; braces nonmetal for conduits and piping; water-tight rings; draught excluder strips, padding materials of rubber or plastics; packing; clack valves of rubber; joint packings for pipes, cotton wool for packing; waterproof packings; caulking materials; insulating felt; fibreglass for insulation; threads of rubber for non-textile use; elastic threads for non-textile use; threads of plastic materials, not for textile use; composition chemical to seal the escapes; waterproof packings; joined gaskets to expansion; pipe muffs, not of metal; sealant compounds for joints; fire-resistant insulating materials; non-metallic tube connectors; fire-resistant insulating materials; matter textile pipes; flexible pipes, not of metal; pipe muffs, not of metal; non-metallic tube connectors; flexible tubes, folded pipes, corrugated pipes, all articles of piping, connections, bellows and expansion joints

Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; fibre cement, slate, clinker ballast, tarred strips (construction), huts, concrete, non-metallic chimneys, cement, fences, not of metal, water-pipes, not of metal, foundry molds (moulds), not of metal, tar, granite, gravel, macadam, marble, road coating materials, sand except foundry sand, roofing, not of metal, rigid pipes not of metal (building), safety glass, building glass, insulating glass (construction), stained-glass windows

Boiler-making articles, brushes, brushes (except paint brushes), utensiles for cleaning purposes, utensiles of cleaning for sand and water projection, utensiles of descaling of piping

Building construction; repair; maintenance, installation services for factories, machine tools, motors, electrical, optical, weighing, measuring, conducting, transforming, controlling electricity instruments, for data processing equipment and computers, for cleaning apparatus, for electrical apparatus, for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes apparatus, air-conditioning system installation and repair, motor vehicle maintenance and repair, quarrying services, heating equipment installation and repair, electric appliance installation and repair, drilling of wells, installation and repair of furnaces and furnaces, building insulating, rental of bulldozers, rental of cranes (construction equipment), installation, maintenance and repair, masonry, street cleaning, vehicle cleaning, maintenance installation and repair of computers, plumbing, painting, freezing equipment installation and repair, rebuilding engines that have been worn or partially destroyed, rustproofing, factory construction, restoration of factories, supply of spare parts, assembly of machines, made-to-order machining

Mechanical, chemical or thermal treatment of materials, boiler-making, waste treatment (transformation), decontamination of hazardous materials, air deodorising, water treatment, blacksmithing, millworking, galvanization, laminating, magnetization, metal casting, metal plating, metal treating, processing of oil, burnishing by abrasion, production of energy, air purification, refining services, soldering, glass-blowing, vulcanization (treatment of materials), treatment of gases and smoke (transforming)

Education; providing of training; entertainment; sporting and cultural activities.