Atlantic Detroit Diesel-Allison is engaged in the sale and servicing of diesel and alternative fuel engines, transmissions, and related components, parts and accessories. It provides services for medium- and heavy-duty trucks, buses and coaches, fire and emergency vehicles, power generation systems, marine propulsion and support equipment, and construction and industrial equipment. The company s clients include trucking companies, municipalities, transit authorities, bus companies, ferry and commercial vessel operators, pleasure-craft owners, financial institutions and hospitals. It is an authorized distributor for the Detroit Diesel, Mercedes-Benz and MTU products in New Jersey, New York, Massachusetts, Vermont and Connecticut. The company maintains a fleet of more than 100 service vehicles and has a staff of over 200 skilled technicians. Atlantic Detroit Diesel-Allison maintains a location in Piscataway, N.J.