Dermody Truck Sales offers a range of new and pre-owned trucks from Peterbilt. The dealership additionally provides pre-owned trucks from various makes, such as International, Kenworth and Freightliner. It operates a 24-hour mobile service truck center that provides a range of maintenance and repair services. Dermody Truck Sales has been providing sales and service for more than 150 years. It operates a service department that provides repair services for various makes and models of trucks. It operates 15 service bays and utilizes advanced engine diagnostic software and tools. Dermody Truck Sales has a parts department that features a large inventory of parts. It is located in Wyoming, Mich.