Installation of industrial machines, devices and equipment
Sewage disposal
Construction of distribution facilities for water and gas
Construction of civil-technical works for electricity and telecommunications
Preparing land for construction
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation
Insulation works
Other types of building installations
Laying of floor and wall tiles
Laying of floors and fitting wooden wall-coverings
Glazing
Other types of works with regard to the completion of buildings
Roofing
Cleaning of frontages
Construction of chimneys and mantelpieces
Restoration of buildings
Other types of specialised building activities
Other types of cleaning activities
Maintenance of the landscape
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