Construction; construction work supervision [management]; construction project (construction work) management services; construction, maintenance, repair and renovation of buildings; installation of building interiors; installation of office interiors; maintenance and repair of installations in buildings; hygienic building sanitation services; asbestos extraction; asbestos removal; installation, maintenance and repair of urban furniture; electricity installation and maintenance work [electrician services]; installation services for electrical apparatus; maintenance and repair of electricity-operated installations; laying of cables; restoration, repair and maintenance of electric wiring; repair of electric lines; installation, maintenance and repair of HVAC systems [heating, ventilation and air conditioning]; heating equipment installation and repair; air-conditioning apparatus installation and repair; installation, maintenance and repair of de-smoking apparatus; plumbing; installation, maintenance and repair of water and gas ducts; installation and repair of electric apparatus; installation, maintenance and repair of electronic apparatus; machine installation, maintenance and repair; installation, maintenance and repair of computer hardware; installation, maintenance and repair of telecommunication apparatus; installation, maintenance and repair of computers; installation, maintenance and repair of telecommunication networks; installation, maintenance and repair of automation equipment; installation, maintenance and repair of automatic control systems; installation, maintenance and repair of home automation installations (computer hardware and networks); installation, maintenance and repair of intelligent systems for buildings (computer hardware and networks); installation, maintenance and repair of audiovisual equipment; installation, maintenance and repair of instrumentation systems; installation, maintenance and repair of security and safety equipment; installation, repair and maintenance of floor control systems; installation, maintenance and repair of fire detection systems; installation, maintenance and repair of video surveillance systems (video-frequency machines and apparatus); installation, maintenance and repair of equipment for automatic doors; door and window installation; installation, maintenance and repair of lighting systems; fluid pumping services; installation, maintenance and repair of industrial sites; construction, maintenance and repair of apparatus and installations for generating power; installation, maintenance and repair of photovoltaic installations; demolition of buildings; dismantling of installations previously active in the field of nuclear energy [demolition services]; installation, maintenance and repair of radiation protection devices (computer hardware); information and advice relating to the aforesaid services.

Telecommunications; information with respect to telecommunications; communications by computer terminals; communications by fiber-optic networks; provision of multiple-user access to a global computer information network; electronic bulletin board services (telecommunication services); connection by telecommunications to a global computer network; electronic messaging services.

Scientific analyses; scientific research; technological research; technological analysis services; industrial research services; industrial analysis services; technical research; technical data analysis services; mechanical research; research in industrial processes; development of industrial processes; technical project study; research and development of new products for third parties; design services; architectural services; design relating to interior space design; construction drafting; engineering; civil engineering (engineering works); electrical engineering services; technical engineering; mechanical engineering; engineering services with respect to designing electronic systems; engineering services relating to robotics; computer engineering services; engineering services regarding information technology; telecommunications engineering; engineering services in the field of energy technology; nuclear engineering services; energy auditing; advice with respect to energy saving; consultancy services relating to energy efficiency; design and development of computer hardware; computer programming; software development [design]; software development; software integration; software installation; software rental; software maintenance; updating of software; provision of online non-downloadable software; computer system design; computer system integration services; cloud computing; Software as a Service [SaaS]; computer Platform as a Service [PaaS]; infrastructure as a service [IaaS]; computer analyses; computer system analysis; computer programming services for data analysis; recovery of computer data; design and development of electronic data security systems; monitoring of computer systems to detect breakdowns; conversion of computer programs and data, other than physical conversion; conversion of data or documents from physical to electronic media; computer-aided graphic design; industrial design; computer simulation and modeling services [computer programming services]; three-dimensional scanning services; digital mapping service; research relating to computerized automation of industrial procedures; research in the field of instrumentation; technological consultancy services; computer technology consulting services; telecommunication technology consultancy services; technological advice on digital transformation; consultation with respect to software; consultant services with respect to computer hardware design and development; consultation with respect to computer security; consultant services with respect to data security; advice regarding artificial intelligence; management of computer projects; project management in the field of information technology.