Manufacture of peripherical unities: printers, terminals,etc.; magnetic and optical disc players, machines of setting of information on medium under coded form
Manufacture of microphones, loudspeakers, earphones, high-frequency amplifiers and sound amplifications appliances
Manufacture of microscopes other than optical microscopes and diffractographes
Manufacture of navigation appliances, meteorological, geophysical appliances, etc. (geodesy, oceanography, hydrology, topography, surveying, radars, sonars, etc.)
Manufacture of optical appliances and instruments for measure and control
Manufacture of other instruments, measure, control or test appliances or machines: densimeters, aerometers, liquid measurement, thermometers, barometers, tachometers, taximeters, podometers, etc.
Manufacture of prisms, lenses, optical mirrors, selective filters of colours, polarising elements, ., in glass or all other material
Manufacture of musical instruments, whose sound is electronically produced
Wholesale trade of music instruments
Retail trade of music instruments and scores
Activities of advice to users about the type and the configuration of computer products and softwares
Activities of network integrators
Advice and assistance for companies and public sectors in planning, organization, search of yield, control, management information, etc.
Estimate of costs and benefits of proposed measures in planning, organization, yield, etc.
Activities of general audits
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Technical drawing
Test and analyses on texture, physical characteristics, performances, compliance with reglements and standards or specifications of materials, products, installations, etc.
Systematic studies and creation efforts in different kind of research-development in mathematics and natural sciences (physics, astronomy, chemistry, medical sciences, biology, etc.)
Hire of musical instruments
Maintenance and repair of computers and peripherical computer equipment
Maintenance and repair of account machines and other office machines
Repair of audio and video appliances
Activities of tuners for pianos and other music instruments
Repair of music instruments
Production of electronic parts
Production of electronic print boards
Production of consumer electronics
Production of optical devices and of devices used in film making and photography
Production of musical instruments
Repair of electronic and optical equipment
Repair of electronic devices
Retail trade in musical instruments in specialised shops
Making of sound recordings
Sound studios
Other services related to sound recording
Development and programming of computer programs
Activities with regard to computer consultancy
Management of computer facilities
Other services related with information technology and computers
Data-processing, web hosting and suchlike
Web portals
Engineers and similar technical advisors, with the exception of surveyors
Research in bio-technology
Other types of research in the natural sciences
Activities by industrial designers
Activities by graphical designers
Other types of activities by specialised designers