1. Duclarkee Inc 222 E Robinson St, Knoxville, IA 50138 Coordinate: 41.31773,-93.09675 Phone: (641) 828-8000
2. Mainstream Holdings 1514 N Lincoln St, Knoxville, IA 50138 Coordinate: 41.33207,-93.10962 Phone: (641) 205-8473