Assembly, installation, repair and conservation services for power plants, networks and processing centers; laying electric networks; maintenance and repair services for electric charging stations and electric vehicles; repair and maintenance services for electric charging stations and electric vehicles and electrical equipment; installation, maintenance, servicing and repair services for electricity apparatus and instruments; installation, repair and maintenance of lighting, heating, ventilating and refrigerating apparatus; installation of household installation components and accessories; maintenance, overhaul and repair of electrical energy production apparatus and installations; installation of solar energy systems; technical building installations; installation of engines; cleaning of electric motors; maintenance and repair of vehicles and their engines; installation and maintenance services for security and control systems; battery and accumulator charging services; charging of vehicle batteries; vehicle service stations for refueling and maintenance; electric wiring services; renovation, repair and maintenance of electrical wiring; installation of electric generators; servicing of power supply services; repair and maintenance of electric generators

Telecommunication services; radio broadcasting services; mobile and fixed telephony services; telematic communications and access to the Internet; providing access to content, websites and portals; provision and rental of telecommunication equipment and installations

Distribution and transmission of water, gas and/or electricity; energy and fuel storage; storage of electricity; supply of energy; electricity transport services; merchandise transport and delivery services; transport services, loading and removal of merchandise; rental of means of transportation; filling of machines, vehicles and containers; loading and unloading of vehicles; Parking and storage of vehicles; rental of power lines to third parties for electricity transmission; distribution of energy; renewable energy distribution

Scientific and technological services, as well as research and design services relating thereto; industrial analysis and research services; design and development of computer hardware and software; design and development of energy management software; development of software for control and security, monitoring and energy efficiency; engineering services, especially, for electrical engineering; engineering services relating to the production of electrical energy and natural gas; research regarding electrical safety; testing of apparatus in the field of electrical engineering; environmental assessment services; consultancy in the field of energy-saving; energy auditing; technical design and planning of power stations; design of electrical systems; development of energy and electricity management systems; technical advice in connection with energy-saving measures; scientific and industrial research, specifically, relating to electricity; technological analysis regarding third-party energy and electricity needs; consultancy concerning technological services in the field of power supply and electricity; information technology services; development, programming and implementation of software; development of computer hardware equipment; software rental and website hosting services; rental of computer equipment and installations; consultancy, advice and information relating to computer services; information technology security, protection and restoration; data duplication, conversion and encryption services; scientific and technological services; engineering project studies; engineering project management services