1. Syngenta Seeds 14289 M Ave, Parkersburg, IA 50665 Coordinate: 42.49488,-92.7907 Phone: (319) 346-1619
2. Chuck Becker Channel Seed 1003 Falcon Ave, Parkersburg, IA 50665 Coordinate: 42.56938,-92.77304 Phone: (319) 346-1100