Creative(5) Defender(3) Edifier(20) Esperanza(8) Extreme Networks(1) Genius(2) HAMA(1) Havit(7) Hoco(1) HP(5) Kisonli(1) Lamtech(1) Logitech(11) Natec(1) Nedis(4) NOD(7) Powertech(3) Razer(4) Redragon(4) Sonic Gear(7) Spartan Gear(3) Tele(1) Tracer(1) Trust(4)