Electrical energy

Building construction services; construction and maintenance of electrical and telecommunications infrastructure, namely, telecommunications towers, and construction and maintenance of buildings and industrial plants, and wind and solar farms

Building, construction and demolition; Shipbuilding; Rental of tools, plant and equipment for construction, demolition, cleaning and maintenance; Extraction of natural resources; Construction services; Industrial construction, Construction of sewerage systems; Installation of sewer liners; Cleaning of urban areas; Cleaning of buildings; Cleaning of industrial plant; Industrial cleaning services; Reconditioning of industrial machinery; Repair of industrial machinery; Maintenance of industrial machinery; Installation of industrial machinery; Coating services for the maintenance of industrial engineering plant; Repair or maintenance of water purifying apparatus for industrial purposes; Maintenance services for industrial plants; Street sweeping services; Alarm, lock and safe installation, maintenance and repair; Computer hardware and telecommunication apparatus installation, maintenance and repair; Maintenance and repair of telecommunications networks, apparatus, and instruments; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Building maintenance and repair; Interior and exterior cleaning of buildings; Vehicle repair, maintenance, refueling and recharging; Glazing, installation, maintenance and repair of glass, windows and blinds; Plumbing installation, maintenance and repair; Furniture maintenance and repair; Lift and elevator installation, maintenance and repair; Painting, interior and exterior; Roofing services; Maintenance and repair of gas and electricity installations; Emergency servicing of apparatus for supplying electricity; Electric appliance installation and repair; Maintenance, servicing and repair of power generating apparatus and installations; Electrical installation services; Construction of power plants; Construction of wind power plants; Installation of wind power systems; Maintenance and repair of wind power plants; Installation and maintenance of photovoltaic installations; Installation of solar powered systems; Construction of utility solar installations; Maintenance and repair of solar power installations; Repair or maintenance of power distribution or control machines and apparatus; Repair of energy production plants and machines; Servicing of nuclear plant; Cleaning of nuclear plant; Renovation of nuclear plant; Construction of nuclear power plants; Repair or maintenance of nuclear power plants; Cleaning and care of fabric, textile, leather, fur and goods made thereof; Extermination, disinfection and pest control; Erecting of housing areas; Erecting of commercial centers; Underwater building and construction; Erecting manufacturing plants; Building construction advisory services; Erection of prefabricated buildings and structures; Erection of structural steel constructions; Building construction supervision; Beneath ground construction work relating to sewers; Coating of sewers; Cleaning of culverts; Sewer pipe servicing; Sewer pipe maintenance; Sewer pipe renovation; Sewer pipe cleaning; Services for the installation of sewers; Cleaning of building sites; Civil engineering construction; Erection of formwork for civil engineering construction; Beneath ground construction work relating to wiring; Maintenance and restoration of works of art; Conservation and preservation services for works of art; Installation of building insulation; Building construction supervision services for real estate projects; Provision of construction information relating to public works; Advisory services relating to the construction of public works; Construction supervision of civil engineering projects; Erection of scaffolding for civil engineering construction; Consultancy, information and advisory services relating to the construction of public works; Cleaning of stone work; Restoration of architectural works; Repair or maintenance of water pollution control equipment; Beneath ground construction work relating to water supply mains; Waste removal [cleaning]; Repair or maintenance of water purifying apparatus; Hazardous waste clean-up services; Trash collection [refuse clean-up].

IT services; Software development, programming and implementation; Computer hardware development; Hosting services, software as a service, and rental of software; Rental of computer hardware and facilities; IT consultancy, advisory and information services; IT security, protection and restoration; Data duplication and conversion services, data coding services; Science and technology services; Industrial analysis and research services; Research and development of new products for others; Design and development of industrial products; Design of mechanical, electromechanical and optoelectronic apparatus and instruments; Rental of science and technology equipment; Medical and pharmacological research services; Engineering services; Surveying and exploration services; Architectural and urban planning services; Natural science services; Earth science services; Testing, authentication and quality control; Conducting technical project studies; Technical project studies; Quality control; Design services; Preparation of technological reports; Surveying; Engineering design and consultancy; Structural engineering services; Technical consultancy services relating to structural engineering; Water analysis; Monitoring of water quality; Technical design and planning of pipelines for gas, water and waste water; Technical design and planning of water purification plants; Technical design services relating to water supply installations; Environmental consultancy services; Environmental testing; Environmental monitoring services; Research in the field of environmental protection; Engineering services in the field of environmental technology; Consultancy in the field of energy-saving; Research in the field of energy; Development of energy and power management systems; Design and development of energy distribution networks; Design and development of regenerative energy generation systems; Design and development of software for control, regulation and monitoring of solar energy systems; Scientific risk assessment; Design of industrial plant; Consultancy relating to technological services in the field of power and energy supply; Technical design services relating to electricity plants; Technical design and planning of power stations; Research in the field of telecommunications technology; Telecommunications engineering; Telecommunications engineering consultancy; Research relating to buildings; Planning [design] of buildings; Inspection of buildings [surveying]; Professional consultancy relating to energy efficiency in buildings; Certification services for the energy efficiency of buildings; Technical design and planning of sewerage systems.