Installation of secondary power supply systems (electrical generators)
Building of transport and distribution lines for electricity
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
Setting of electric cables and appliances
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.
Setting of electrical installations of heating
Installation of blinds and florentine blinds
Other work of n.e.s. installation, including accessories installation
Work of general installation
Installation of lifts and escalators
Application in buildings and in other projects of building of gypsum or stucco, inside and outside, including the associated lathing materials
Assembling of inside and outside woordworks: doors, windows, closets of equipped kitchens, shop equipments, frames for windows and doors, etc.
Assembling of garage doors, blinds, louvers, grids, etc.
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Assembling of partitions in gypsum
Assembling of frames
Works of recovering in all materials
Setting of rainwater disposal elements
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Setting of foundations, including pile hammering
Making of lifting works for third parties
Assembling and disassembling of scaffoldings and work platforms
Hire and leasing of machines and equipments for construction industry and engineering, without operator (cranes, bulldozers, concrete mixers, etc.)
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Installation of industrial machines, devices and equipment
Construction of other types of non-residential buildings
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Roofing
Making walls waterproof
Wholesale in wood
Do-it-yourself businesses and d.i.y. shops of common building materials
Retail trade in wooden building materials and garden materials, in specialised shops
Retail trade in sanitary products and sanitary installation materials in specialised shops
Plastering work
Other types of cleaning activities
Carpentry
Other types of cleaning of buildings; industrial cleaning