Installation of secondary power supply systems (electrical generators)
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 lifts and escalators
Setting of antennas and lightning rods
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 household electric equipments for installation
Wholesale trade of frames and closures of buildings other than in wood
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 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 machines
Repair of electronic and optical equipment
Repair of other types of instruments
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Intermediation of common goods
Wholesale in electronic domestic devices as well as audio and video devices
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 other types of machines and tools
Non-specialised wholesale
Retail trade in lighting products in specialised shops
Private security
Services with regard to security systems
Repair of consumer electronics
Retail trade in electronic domestic devices in specialised shops