http://www.grainger.com/Grainger/wwg/start.shtml?cm_mmc=PPC%3a%20Google-_-TPN%20-%20Brand-_-Grainger%20Supply-_-grainger%20supply&s_kwcid=grainger%20supply|716125 463
They sell all kinds of industrial switches and things. They are usually expensive but your paying for convenience. Good luck!