Drilling, turning, countersinking, shaving, planing, lapping, broach, dressing, sawing, grinding, sharpening, etc. of metallic pieces
Manufacture of interchangeable tools for hand tools, mechanical or not, or for tool machines: drills, awls, patterns, milling cutters, etc.
Building of transport and distribution lines for electricity
Setting of electric cables and appliances
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Assembling of garage doors, blinds, louvers, grids, etc. in metal
Assembling of elements of metallic structures, not made by the unit making the works
Trade intermediaries for electric and electronic equipments, including installation equipments for industrial use
Activities of advice to users about the type and the configuration of computer products and softwares
Repair of household appliances
Production of metal works for construction and parts thereof
Production of radiators and boilers used in central heating
Production of other types of metal reservoirs, tanks and containers
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
Other types of building installations
Carpentry
Development and programming of computer programs
Management of computer facilities
Trade in own real estate
Wholesale in electronic materials, inclusive of material for installation
Retail trade in other types of building materials in specialised shops
Installation of heating, air-conditioning and ventilation