MCDONOUGH â Murphy-Hoffman Companyâs (MHC) full-service truck dealership in McDonough has relocated to a new facility off Interstate 75, making it the largest MHC location in Georgia. MHC Kenworth â South Atlantaâs new full-service dealership offers 32 service and 14 body shop bays, a down draft paint booth, expanded parts department and new and used truck sales. The dealership offers a wide range of amenities, including a driverâs lounge, shower, washing machine and dryer to increase comfort for the resting drivers. âMHCâs goal is to enhance our services to better support our customers,â Regional Vice President and General Manager Eddie Davis said. âWe moved to accommodate growth, provide easier access and offer additional services to customers. Driversâ needs are our top priority, which we support by offering extended hours of operation, as well as significant facility enhancements to create a one-stop shop for customers.â