Work of maintenance and mechanical repairs for third parties
Development, assembling and maintenance of control systems in non stop industrial process
Development, assembling and maintenance of automatic production units, including several machines, handling equipments and appliances for centralized control
Building of lines and networks of telecommunication
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)
Setting of antennas and lightning rods
Paint of metallic works
Treatment of walls with waterproofing products
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Assembling of elements of metallic structures, not made by the unit making the works
Painting of civil-technical works
Making walls waterproof
Cleaning of frontages
Other types of specialised building activities
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Wireless telecommunication
Repair of electronic devices
Construction of civil-technical works for electricity and telecommunications