SFI (Германия)
Philips Light Studio DB Technologies Panasonic SANYO DeliEffect JBL Professional Shure ACME HALO OSRAM (Германия) Pioneer HKAudio Turbosound Electro-Voice MARTIN (Дания) BIG Park Audio Polarlights Allen & Heath APart (Бельгия) Nightsun Crown (США) Technics DiscoEffect