Manufacture of metallic frames or framings for building
Work of maintenance and mechanical repairs for third parties
Building of highways, roads, streets, pavements and other roads for vehicles and pedestrians (including the setting of guard rails)
Building of decks, including those for overpasses, elevated roadways, etc.
Building of tunnels for roads and railways and other underpasses
Building of lines and networks of telecommunication
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Preparation of sites for mining: overburden removal and other work of planning and preparation for mining sites
Ground-water lowering and dredging of construction sites
Dredging of agricultural and silvicultural lands
Removal on construction sites
Making of horizontal drillings for cables or pipes
Setting of telecommunication systems and computer installations
Implementation in buildings or in other projects of building of: thermal insulation materials, acoustic and antivibrating insulation materials
Work of insulation of pipes for heating or cooling
Work of insulation of coolers or refrigerated warehouses
Installation of blinds and florentine blinds
Setting of antennas and lightning rods
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Assembling of elements of metallic structures, not made by the unit making the works
Assembling and disassembling of scaffoldings and work platforms
Inside cleaning of all kind of buildings: offices, industries, institutional premises and other premises for professional or trade use, apartment buildings, etc
Window cleaning
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Activities of disinfection and destruction of parasites in buildings, ships, trains, etc.
Cleaning of trains, buses, planes, ships, etc., including oil tankers
Sanitation and other types of waste management
Construction of bridges and tunnels
Preparing land for construction
Drilling and pre-drilling
Insulation works
Cleaning of frontages
Cleaning of buildings
Other types of cleaning of buildings; industrial cleaning