Manufacture of boards, veneers, consoles, desks, cupboards and other media for electrical command or distribution
Manufacture of neon lights, neon signs, indicator signs of light, etc.
Repair and maintenance of house boilers
Installation of secondary power supply systems (electrical generators)
Building of transport and distribution lines for electricity
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)
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
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.
Creation and setting of advertisements: posters, advertising signs, lighting newspapers, lighting signs, display on buses, etc.
Maintenance and repair of computers and peripherical computer equipment
Maintenance and repair of account machines and other office machines
Repair of audio and video appliances
Repair of household appliances
Production of electro motors, electric generators and transformers
Production of switching appliances and of manifolds
Production of lighting devices
Repair of metal products
Repair of electronic and optical equipment
Repair of electronic devices
Installation of industrial machines, devices and equipment
Construction of civil-technical works for electricity and telecommunications
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation
Wholesale in machine tools
Wholesale in electronic materials, inclusive of material for installation
Wholesale in common building materials
Do-it-yourself businesses and d.i.y. shops of common building materials
Retail trade in other types of building materials in specialised shops
Trade in own real estate
Research in bio-technology
Advertising agencies
Reparations of computers and peripheral devices
Repair of communication devices
Repair of consumer electronics
Repair of domestic devices and of equipment used in house and in the garden