Creative(7) Defender(2) Edifier(23) Esperanza(9) Extreme Networks(1) Genius(2) Green Blue(1) HAMA(1) Havit(6) HP(5) Kisonli(2) Lamtech(1) Logitech(15) Nedis(2) NOD(7) Powertech(3) Razer(1) Redragon(4) Sonic Gear(6) Tele(1) Tracer(2) Trust(7)