Andowl(3) Creative(9) Defender(3) Dell(1) Edifier(19) Esperanza(11) Extreme Networks(1) Genius(4) Havit(6) Hoco(1) HP(5) Kisonli(1) Lamtech(1) Logitech(12) Marvo(2) Modecom(1) Nedis(5) NGS(1) NOD(7) Powertech(3) Razer(2) Redragon(3) Sonic Gear(4) Spartan Gear(3) Tele(1) Tracer(1) Trust(5)