1. Danielson Auto Service 101 E Harrison St, Jefferson, IA 50129 Coordinate: 42.01409,-94.3744 Phone: (515) 386-4915
2. Intoxalock Ignition Interlock 1700 N Elm St, Jefferson, IA 50129 Coordinate: 42.03225,-94.37797 Phone: (515) 461-2937