Setting of telecommunication systems and computer installations
Setting of monitoring systems and alarms against housebreakings
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Trade intermediaries for electric and electronic equipments, including installation equipments for industrial use
Trade intermediaries for supplies for plumbering, equipments of electric system for houses and heating systems
Wholesale trade of electric household appliances
Wholesale trade of audio and video appliances: radios, televisions, audio systems, video recorders, etc.
Wholesale trade of general furniture hardwares (nails, wires, fastening, bolting, etc.), of hand tools (hammers, saws, screwdrivers, etc.) and of electroportative tools
Retail trade of household appliances
Retail trade of lighting appliances
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Repair of metal products
Electro-technical installation works at buildings
Installation of heating, air-conditioning and ventilation
Intermediation of wood and building material
Wholesale in lighting devices
Wholesale in electronic devices and communication devices as well as parts thereof
Wholesale in electronic materials, inclusive of material for installation
Wholesale in common building materials
Wholesale in installation materials used by plumbers and for the installation of heating
Do-it-yourself businesses and d.i.y. shops of common building materials
Retail trade in electronic domestic devices in specialised shops
Retail trade in lighting products in specialised shops
Repair of consumer electronics
Electro-technical installation works, with the exception of those executed at buildings