Marion County Shop 2073 Pierce Dr Knoxville, IA 50138 Phone : (641) 828-8611 Business Category Government Offices-County Legislative Bodies Marion County Of Altoona, IA 50009 Phone : (641) 828-8611 Business Category Government Offices-County Government Offices & Public Schools Marion County Of--knoxville, Engineer, Clay Shop Knoxville, IA 50138 Phone : (641) 828-8611 Business Category Government Offices-County Government Offices & Public Schools