Koehne Chevrolet GMC, Inc. » Chamber Members Go back to directory. Add to Address Book. Koehne Chevrolet GMC, Inc. Koehne Chevrolet GMC, Inc. Contact: Jim Foral Work W17640 US Hwy 41 Marinette WI 54143 work Work Phone: 715-735-7483work Work Email: jforal@koehnegmc.comINTERNET Website: Visit Website