What is "darex"

Darex L.L.C. is an American manufacturer of industrial bit sharpeners, and are currently based in Ashland, Oregon. Darex L.L.C. owns two other brands, Work Sharp Tools which creates knife and tool sharpeners and Drill Doctor which creates hobbyist drill bit sharpeners. Darex is a fourth generation family owned company that began in 1973 in Beecher, Illinois until 1979 when it relocated to Ashland.