1. D & J Oil Co 1145 W Donald St, Waterloo, IA 50703 Coordinate: 42.52723,-92.36136 Phone: (319) 234-6286
2. C & C Oil Corp 626 N Elk Run Rd, Waterloo, IA 50703 Coordinate: 42.50734,-92.25899 Phone: (319) 234-7517