Stripping, first boasting and sawing of freestones for stone working companies or for structures such as marble, granite, sandstone,etc.
In situ assembly, repair and disassembly of derricks
Manufacture of refractory mortar and concrete
Manufacture of tiles for flooring of walls and chimneys, tesserae in non refractory ceramics
Manufacture of tableware and other articles in porcelain
Manufacture of prefabricated work in concrete, used in buildings: tiles, bricks, hollow tiles, plates, prefabricated sections, tubs, pillars
Manufacture of prefabricated elements in concrete for buildings and civil engineering
Manufacture of concrete and mortars ready to use
Manufacture of piping accessories in steel: flat faced or welding neck flanges forged in steel, accessories to weld end to end in steel, threaded and other accessories in steel
Building of highways, roads, streets, pavements and other roads for vehicles and pedestrians (including the setting of guard rails)
Boring and building of waterwells, driving of wells
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Ground-water lowering and dredging of construction sites
Removal on construction sites
Installation of blinds and florentine blinds
Work of general installation
Setting in buildings or other projects of building of: wall recoverings or tiles in ceramic, in concrete or in freestones; floorings and wall recovering in granites, etc.
Cleaning of new buildings and restoring after works
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Masonry
Making of repointing works
Trade intermediaries for woods and building materials
Wholesale trade of general furniture hardwares (nails, wires, fastening, bolting, etc.), of hand tools (hammers, saws, screwdrivers, etc.) and of electroportative tools
Transport of concrete, ready to use, not made by the unit itself
Hire and leasing of machines and equipments for construction industry and engineering, without operator (cranes, bulldozers, concrete mixers, etc.)
Production of synthetic materials meant for the building trade
Production and processing of other types of glass (technical glass-work included)
Production of fireproof products
Production of ceramic tiles and slabs
Production of concrete products used in the building trade
Preparing land for construction
Drilling and pre-drilling
Insulation works
Laying of floor and wall tiles
Cleaning of frontages
Carrying out masonry and pointing
Other types of specialised building activities
Intermediation of wood and building material
Wholesale in common building materials
Do-it-yourself businesses and d.i.y. shops of common building materials
Rental and lease of machines, equipment and tools used by the do-it-yourselfer