Making of horizontal drillings for cables or pipes
Wholesale trade of household electric equipments for installation
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
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
Installation of heating, air-conditioning and ventilation
Insulation works
Other types of building installations
Wholesale in electronic materials, inclusive of material for installation
Retail trade in audio and video devices in specialised shops
Retail trade in lighting products in specialised shops
Retail trade by means of mail-order companies or the internet
Trade in own real estate
Rental and exploitation of own or leased non-residential real estate, with the exception of social housing
Other types of business services
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
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
Construction of civil-technical works for electricity and telecommunications