Installation of heating, air-conditioning and ventilation
Insulation works
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
Other types of cleaning of buildings; industrial cleaning
Other types of cleaning activities
Repair of consumer electronics
Design, building and installation of piping networks, including a complementary treatment of pipes to realize mainly pipes or networks under pressure
Production of forged pieces in metal for a third party
Building of transport and distribution lines for electricity
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
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)
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
Works of leakproofing of roofs and flat roofs
Building of industrial ovens and chimneys
Assembling of elements of metallic structures, not made by the unit making the works
Building of coolers, vaults, etc.
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Production of radiators and boilers used in central heating
Production of other types of products made from metal
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings