Installation of heating, air-conditioning and ventilation
Insulation works
Other types of building installations
Plastering work
Laying of floors and fitting wooden wall-coverings
Hanging wall-paper, as well as flooring and wall-coverings of other materials
Glazing
Other types of works with regard to the completion of buildings
Roofing
Making walls waterproof
Cleaning of frontages
Construction of chimneys and mantelpieces
Carrying out masonry and pointing
Restoration of buildings
Works with cement concrete
Intermediation of wood and building material
Wholesale in common building materials
Wholesale in other 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
Rental and exploitation of own or leased non-residential real estate, with the exception of social housing
Rental and exploitation of own or leased non-residential real estate, with the exception of land
Architects
Rental and lease of machines and installations used in the building industry, road works and water works
Other types of business services
Activities of holding management: intervention in daily management, representation of companies on the basis of possession or control of the capital stock, etc.
Holding on the long term of shares of several other companies grouped in different economic sectors