Installation of secondary power supply systems (electrical generators)
Building of transport and distribution lines for electricity
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
Setting of electrical installations of heating
Work of insulation of pipes for heating or cooling
Trade intermediaries for electric and electronic equipments, including installation equipments for industrial use
Trade intermediaries for supplies for plumbering, equipments of electric system for houses and heating systems
Wholesale trade of appliances for heating
Wholesale trade of equipments for sanitory systems and central heating: pipes, pipe fittings, tabs, rubber pipes, etc.
Monitoring of building works (carcass, installation, finishing, etc.)
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Electro-technical installation works at buildings
Installation of heating, air-conditioning and ventilation
Wholesale in electronic materials, inclusive of material for installation
Wholesale in other types of machines and tools
Wholesale in installation materials used by plumbers and for the installation of heating