Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Setting of foundations, including pile hammering
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.
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Production of non-domestic machines and devices used for cooling and air-conditioning
Repair of metal products
Repair of electronic devices
Installation of industrial machines, devices and equipment
Construction of civil-technical works for liquids
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Insulation works
Other types of building installations
Carpentry
Wholesale in sanitary
Wholesale in installation materials used by plumbers and for the installation of heating
Rental and exploitation of own or leased non-residential real estate, with the exception of social housing
Maintenance of the landscape
Other types of business services
Vocational training
Repair of domestic devices and of equipment used in house and in the garden