Koch Industries headquarters, on 37th Street North in Wichita (Oct 3, 2012)
Koch Industries headquarters, on 37th Street North in Wichita (Oct 3, 2012) Bo Rader File photo
Koch Industries headquarters, on 37th Street North in Wichita (Oct 3, 2012) Bo Rader File photo

Koch the primary donor to sales tax opposition group

December 23, 2014 02:34 PM