Manufacture of boards, veneers, consoles, desks, cupboards and other media for electrical command or distribution
Repair and maintenance of house boilers
Installation of secondary power supply systems (electrical generators)
Realization of individual houses' carcass
Making of the carcass of building with several rooms (apartments, etc.)
Making of carcass of buildings
Making of carcass of buildings and business or industrial work, of vehicle parkings, warehouses, schools, hospitals, buildings for worship, etc.
Assembling of sheds, barns, silos, ... for agricultural use
Building of conveyance, distribution and water disposal networks
Building of transport and distribution lines for electricity
Building of sport fields, game fields, swimming pools, etc.
Destruction of buildings and other kind of buildings
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
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: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
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 signs, lighted or not
Installation of lifts and escalators
Other works of finishing in buildings n.e.s.
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Building of decorative chimneys and fires
Masonry
Works of reinforcement and setting of casings
Building of industrial ovens and chimneys
Installation of private swimming pools
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.
Cutting of trees and hedges
Design and maintenance of gardens, parks and green places for sport facilities
Production of switching appliances and of manifolds
Production of lighting devices
Repair of metal products
Repair of electronic and optical equipment
Repair of electronic devices
Installation of industrial machines, devices and equipment
Construction of residential buildings
Construction of sewerage systems
Construction of civil-technical works for electricity and telecommunications
Demolishing
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings