1. SMC Construction Services 1412 N Grant St, Knoxville, IA 50138 Coordinate: 41.33052,-93.1057 Phone: (641) 891-4925
2. Swayne Construction 1783 D Ave, Knoxville, IA 50138 Coordinate: 41.26782,-93.00794 Phone: (641) 891-1326