Email: [email protected] Established in 2005, Mast Service Center is a full-service automotive, heavy-duty truck, and RV repair shop located in Etna Green, Indiana. Led by owner Eric Troyer—recipient of the 2019 Unique Training Solutions Top Tech Award—our team of experienced ASE-Certified auto mechanics and heavy-duty diesel technicians is committed to keeping passenger vehicles, commercial fleets, and big rigs operating safely. Our comprehensive services include computer diagnostics, electrical troubleshooting, brake service... read full review »