Setting of telecommunication systems and computer installations
Setting of monitoring systems and alarms against housebreakings
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
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
Trade intermediaries for woods and building materials
Retail trade of furniture hardwares, paints and building materials (including do-it-yourself shops) with retail space lower than 400m2
Retail trade of furniture hardwares, paints and building materials (including do-it-yourself shops) with retail space higher than 400m2
Repair of metal products
Demolishing
Preparing land for construction
Drilling and pre-drilling
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Insulation works
Other types of building installations
Plastering work
Carpentry
Laying of floor and wall tiles
Laying of floors and fitting wooden wall-coverings
Hanging wall-paper, as well as flooring and wall-coverings of other materials
Painting of buildings
Painting of civil-technical works
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
Other types of specialised building activities
Wholesale in common building materials
Trade in own real estate
Rental and lease of cars and small vans (< 3.5 metric tonnes)