Manufacture of neon lights, neon signs, indicator signs of light, etc.
Setting of electric cables and appliances
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
Installation of lifts and escalators
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Repair of audio and video appliances
Repair of household appliances
Production of switching appliances and of manifolds
Repair of electronic and optical equipment
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Reparations of computers and peripheral devices
Repair of communication devices
Repair of consumer electronics
Other types of building installations
Repair of electronic devices
Installation of industrial machines, devices and equipment