Installation of secondary power supply systems (electrical generators)
Building of transport and distribution lines for electricity
Setting of electrical installations of heating
Installation of inside doors, partitions,... in glass
Setting in buildings or other projects of building of: wall recoverings or tiles in ceramic, in concrete or in freestones; floorings and wall recovering in granites, etc.
Setting in buildings or other projects of building of: wooden floors, partition recovering in wood
Setting of screeds
Installation of industrial machines, devices and equipment
Construction of other types of non-residential buildings
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation
Laying of floor and wall tiles
Hanging wall-paper, as well as flooring and wall-coverings of other materials
Painting of buildings
Trade in own real estate
Rental and exploitation of own or leased non-residential real estate, with the exception of social housing
Rental and exploitation of own or leased non-residential real estate, with the exception of land
Various administrative services for offices
Copying, preparing of documents and other related ancillary activities for office firms