Installation of heating, air-conditioning and ventilation
Insulation works
Plastering work
Carpentry
Laying of floor and wall tiles
Laying of floors and fitting wooden wall-coverings
Painting of buildings
Other types of works with regard to the completion of buildings
Roofing
Making walls waterproof
Works with cement concrete
Wholesale in machine tools
Wholesale in wallpaper, paint and domestic-textiles
Wholesale in floor and wall tiles
Do-it-yourself businesses and d.i.y. shops of common building materials
Retail trade in floor and wall-tiles in specialised shops
Retail trade in ironware and tools in specialised shops
Retail trade in paint and coating in specialised shops
Maintenance of the landscape
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Making of horizontal drillings for cables or pipes
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.
Assembling of partitions in gypsum
Setting of wallpapers
Masonry
Wholesale trade of general furniture hardwares (nails, wires, fastening, bolting, etc.), of hand tools (hammers, saws, screwdrivers, etc.) and of electroportative tools