Electro-technical installation works, with the exception of those executed at buildings
Construction of civil-technical works for electricity and telecommunications
Preparing land for construction
Drilling and pre-drilling
Other types of building installations
Other types of specialised building activities
Wholesale in lighting devices
In situ assembly, repair and disassembly of derricks
Installation of secondary power supply systems (electrical generators)
General coordination on the construction site
Paint markings of roads and parking areas
Building of tunnels for roads and railways and other underpasses
Building of conveyance, distribution and water disposal networks
Building of gas, fuel transport networks, etc.
Building of transport and distribution lines for electricity
Building of lines and networks of telecommunication
Building of ports (including pleasure ports) and basins
Building of sport fields, game fields, swimming pools, etc.
Ground-water lowering and dredging of construction sites
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)
Setting of electrical installations of heating
Implementation in buildings or in other projects of building of: thermal insulation materials, acoustic and antivibrating insulation materials
Work of general installation
Setting of antennas and lightning rods
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Assembling of movable partitions, recoverings for walls, ceilings, etc., in metal
Assembling of garage doors, blinds, louvers, grids, etc. in metal
Assembling of metallic greenhouses, verandas, etc.
Assembling of partitions in gypsum
Paint of metallic works
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Setting of screeds
Preservation of sites (including excavations) and historical buildings