Installation of secondary power supply systems (electrical generators)
Building of transport and distribution lines for electricity
Building of lines and networks of telecommunication
Other work of n.e.s. installation, including accessories installation
Repair of machines
Repair of electronic and optical equipment
Repair of electronic devices
Repair of other types of instruments
Production of electro motors, electric generators and transformers
Construction of civil-technical works for electricity and telecommunications
Electro-technical installation works, with the exception of those executed at buildings
Intermediation of machines, devices, tools used in the industry as well as in ships and aircraft
Wholesale in other types of machines and tools
Other types of retail trade in new goods in specialised shops
Other types of business services
Wholesale in electronic materials, inclusive of material for installation
Other types of specialised building activities
Electro-technical installation works at buildings
Production of hydraulic equipment
Installation of industrial machines, devices and equipment
Manufacture of metallic frames or framings for building
Manufacture of metallic framings for industrial equipments (framing for blast furnaces, handling materials, etc.)
Design, building and installation of piping networks, including a complementary treatment of pipes to realize mainly pipes or networks under pressure
Manufacture of mechanical manipulators and industrial robots specially developed for lifting, handling, loading and disloading
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
Paint of metallic works
Assembling of elements of metallic structures, not made by the unit making the works
Making of lifting works for third parties
Assembling and disassembling of scaffoldings and work platforms
Trade intermediaries for machines for building
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Production of metal works for construction and parts thereof
Production of steam boilers, with the exception of boilers used in central heating