ALTO, AMPEG, ANTERA, AKG, ATTACK, ÁUDIO LEADER, BLACKSTAR, BEHRINGER, BSS, BUGERA, CELESTION, CROWN, DBR, DBX, FENDER, FOCUSRITE, KARSECT, KLARK-TEKNIK, JBL, LEXICON, LEXSEN, LINE 6, M-AUDIO, MACHINE, MARSHALL, MARK ÁUDIO, METEORO, MIDAS, MOOER, MOUG, NOVATION, ONEAL, ROCKTRON, SELENIUM, SOUNDCRAFT, STANER, TURBOSOUND, VOKAL, VOXSTORM, WALDMAN