Albedo, Ansuz, ATC, Aavik, Axxes, AIM, Audiolab, Apertura, Air Tight,
Boenicke Audio, Borresen, 
Cardas Cable, 
DS Audio, Electrocompaniet, Golden Ear, Innuos, keith Monks, 
Lector, Linn, Lumin, Luxman, Leak, 
Marantz, MBL, MFSL, Music Tools, Odeon, Ortofon, 
Phonosophie, Phasemation, Project, 
Silent Angel, Skyanalog, Soulnote, Synthesis,
Thivan, TW Acustic, Teddy, Wharfedale, Wilson Benesch
und Weitere