Installation of secondary power supply systems (electrical generators)
Setting of electric cables and appliances
Application in buildings and in other projects of building of gypsum or stucco, inside and outside, including the associated lathing materials
Assembling of greenhouses, verandas, etc.
Assembling of metallic greenhouses, verandas, etc.
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.
Assembling of frames
Works of recovering in all materials
Setting of rainwater disposal elements
Masonry
Setting of screeds
Assembling of elements of metallic structures, not made by the unit making the works
Development of residential building projects
Construction of residential buildings
Construction of office buildings
Construction of other types of non-residential buildings
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Laying of floor and wall tiles
Hanging wall-paper, as well as flooring and wall-coverings of other materials
Painting of buildings
Insulation works
Street and market vending of food stuff and luxuries