Installation of secondary power supply systems (electrical generators)
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Removal on construction sites
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
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
Installation of blinds and florentine blinds
Installation of signs, lighted or not
Installation of lifts and escalators
Cleaning of new buildings and restoring after works
Assembling and disassembling of scaffoldings and work platforms
Trade intermediaries for electric and electronic equipments, including installation equipments for industrial use
Trade intermediaries for supplies for plumbering, equipments of electric system for houses and heating systems
Wholesale trade of electric household appliances
Wholesale trade of audio and video appliances: radios, televisions, audio systems, video recorders, etc.
Wholesale trade of general furniture hardwares (nails, wires, fastening, bolting, etc.), of hand tools (hammers, saws, screwdrivers, etc.) and of electroportative tools
Retail trade of household appliances
Retail trade of lighting appliances
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Creation and setting of advertisements: posters, advertising signs, lighting newspapers, lighting signs, display on buses, etc.
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Cutting of trees and hedges
Design and maintenance of gardens, parks and green places for sport facilities
Maintenance and repair of computers and peripherical computer equipment
Maintenance and repair of account machines and other office machines
Repair of household appliances
Repair of metal products
Repair of electronic and optical equipment
Repair of electronic devices
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Insulation works
Intermediation of wood and building material
Wholesale in lighting devices
Wholesale in electronic devices and communication devices as well as parts thereof
Wholesale in electronic materials, inclusive of material for installation
Wholesale in common building materials
Wholesale in installation materials used by plumbers and for the installation of heating
Do-it-yourself businesses and d.i.y. shops of common building materials
Retail trade in sanitary products and sanitary installation materials in specialised shops
Retail trade in electronic domestic devices in specialised shops
Retail trade in lighting products in specialised shops
Cleaning of buildings
Maintenance of the landscape
Reparations of computers and peripheral devices
Repair of communication devices
Repair of consumer electronics
Repair of domestic devices and of equipment used in house and in the garden
Plumbing works
Installation of heating, air-conditioning and ventilation