Building of conveyance, distribution and water disposal networks
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 private swimming pools
Trade intermediaries for supplies for plumbering, equipments of electric system for houses and heating systems
Wholesale trade of household electric equipments for installation
Wholesale trade of bathroom facilities: baths, sinks, wcs, etc.
Wholesale trade of appliances for heating
Wholesale trade of equipments for sanitory systems and central heating: pipes, pipe fittings, tabs, rubber pipes, etc.
Wholesale trade of other intermediary products n.e.s.
Retail trade of solid fuels such as coal, heating wood, charcoal, etc.
Retail trade of n.e.s. articles other than food products
Realization of general maintenance operations in buildings
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Construction of sewerage systems
Construction of civil-technical works for liquids
Preparing land for construction
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Wholesale in pumps and compressors
Wholesale in industrial machines and devices used for heating, cooling and freezing
Wholesale in other types of machines and tools
Wholesale in solid, liquid and gaseous fuels as well as related products
Wholesale in sanitary
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 other types of building materials in specialised shops
Engineers and similar technical advisors, with the exception of surveyors
Maintenance of the landscape
Wholesale, glass packaging
Installation of heating, air-conditioning and ventilation