Manufacture of flat glass, including wired and tinted glass
Manufacture of electric veneers for the capture of solar heat
Manufacture of boards, veneers, consoles, desks, cupboards and other media for electrical command or distribution
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.
Test and analyses on texture, physical characteristics, performances, compliance with reglements and standards or specifications of materials, products, installations, etc.
Moulding and working of flat-glass
Production of electro motors, electric generators and transformers
Production of lighting devices
Wholesale in electronic materials, inclusive of material for installation
Wholesale in installation materials used by plumbers and for the installation of heating
Engineers and similar technical advisors, with the exception of surveyors