Building of lines and networks of telecommunication
Setting of electric cables and appliances
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)
Setting of electrical installations of heating
Installation of signs, lighted or not
Other work of n.e.s. installation, including accessories installation
Setting of antennas and lightning rods
Wholesale trade of audio and video appliances: radios, televisions, audio systems, video recorders, etc.
Retail trade of radio and television appliances and other audio-video appliances for domestic use, such as video recorder, cameras, hi-fi equipment, etc.
Retail trade of household appliances
Retail trade of equipped kitchens
Retail trade of lighting appliances
Creation and setting of advertisements: posters, advertising signs, lighting newspapers, lighting signs, display on buses, etc.
Installation of industrial machines, devices and equipment
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Wholesale in electronic devices and communication devices as well as parts thereof
Wholesale in electronic materials, inclusive of material for installation
Retail trade in computers, software and peripheral devices in specialised shops
Retail trade in communication equipment in specialised shops
Retail trade in audio and video devices in specialised shops
Retail trade in electronic domestic devices in specialised shops
Retail trade in lighting products in specialised shops
Other services related with information technology and computers
Other types of technical and scientific activities