1. Denco Highway Construction Corp 416 E Main St, Mingo, IA 50168 Coordinate: 41.76752,-93.27663 Phone: (641) 363-4212
2. Denco Highway Construction 13695 N 71st Ave W, Mingo, IA 50168 Coordinate: 41.78387,-93.31971 Phone: (641) 363-4211