1. Valero Renewables 3260 Van Buren Ave, Hartley, IA 51346 Coordinate: 43.1808,-95.50559 Phone: (712) 928-5800
2. Osceola County Co-Op Oil Co 6530 320th St, Hartley, IA 51346 Coordinate: 43.185,-95.50009 Phone: (712) 728-2324