Manufacture of electro-acoustic appliances such as interphones, simultaneous translation's installations, electronic systems for vote, conference equipments, etc.
Manufacture of microphones, loudspeakers, earphones, high-frequency amplifiers and sound amplifications appliances
Manufacture of other electrical appliances for acoustic or visual signs: ringings, sirens, indicating boards, monitrons for protection against theft and fire
Manufacture of typewriters, electric or manual
Trade intermediaries for electric and electronic equipments, including installation equipments for industrial use
Wholesale trade of audio and video appliances: radios, televisions, audio systems, video recorders, etc.
Maintenance and repair of computers and peripherical computer equipment
Production of navigation devices, measuring instruments and control instruments
Production of cables made from fibre optics
Production of other types of electric and electronic cables
Electro-technical installation works at buildings
Wholesale in electronic domestic devices as well as audio and video devices
Wholesale in electronic devices and communication devices as well as parts thereof