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
Setting of electric cables and appliances
Setting of monitoring systems and alarms against housebreakings
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)
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
Work of insulation of pipes for heating or cooling
Work of insulation of coolers or refrigerated warehouses
Installation of blinds and florentine blinds
Installation of signs, lighted or not
Other work of n.e.s. installation, including accessories installation
Work of general installation
Installation of inside doors, partitions,... in glass
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Works of recovering in all materials
Works of leakproofing of roofs and flat roofs
Making of repointing works
Works of reinforcement and setting of casings
Assembling of elements of metallic structures, not made by the unit making the works
Making of lifting works for third parties
Making of all submarine works
Assembling of pieces and accessories, including transformation work
Monitoring of building works (carcass, installation, finishing, etc.)
Construction of residential buildings
Dredging
Demolishing
Preparing land for construction
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
Painting of civil-technical works
Other types of works with regard to the completion of buildings
Roofing
Making walls waterproof
Carrying out masonry and pointing
Restoration of buildings
Freight traffic by road, with the exception of removal firms