Design, building and installation of piping networks, including a complementary treatment of pipes to realize mainly pipes or networks under pressure
Production of forged pieces in metal for a third party
Boring and building of waterwells, driving of wells
Removal on construction sites
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Assembling of elements of metallic structures, not made by the unit making the works
Assembling and disassembling of scaffoldings and work platforms
Protection and fight against fire
Inside cleaning of all kind of buildings: offices, industries, institutional premises and other premises for professional or trade use, apartment buildings, etc
Window cleaning
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Production of pipes, tubes, hollow profiles and their steel fittings
Repair of electronic devices
Construction of high roads and other types of roads
Construction of railways over and beneath ground level
Construction of distribution facilities for water and gas
Construction of sewerage systems
Construction of civil-technical works for electricity and telecommunications
Preparing land for construction
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation
Employment-finding
Services with regard to security systems
Cleaning of frontages
Other types of cleaning activities
Services related to air traffic
Cleaning of buildings
Other types of cleaning of buildings; industrial cleaning
Insulation works
Plumbing works
Drilling and pre-drilling
Electro-technical installation works at buildings
Installation of industrial machines, devices and equipment