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