Design, building and installation of piping networks, including a complementary treatment of pipes to realize mainly pipes or networks under pressure
Manufacture of other electrical appliances for acoustic or visual signs: ringings, sirens, indicating boards, monitrons for protection against theft and fire
Manufacture of hydraulic engines, air motors and rotors
Manufacture of appliances for filtration and purification of liquids, air and other gases
Production of tools, with the exception of moulding boxes and casting moulds
Production of other types of products made from metal
Production of communication devices
Production of consumer electronics
Production of switching appliances and of manifolds
Production of other types of electric and electronic cables
Production of other electric devices
Production of non-domestic machines and devices used for cooling and air-conditioning
Production of other types of machines for common use
Production of machines used for metal working
Other types of industries
Repair of machines
Installation of industrial machines, devices and equipment