Looking for Truck Repair NJ? On-Site Fleet Service, Inc. provides all major and minor truck repair services on foreign and domestic vehicles in East Brunswick, Rutherford, Kenilworth, and Lakewood, NJ. On-Site offers a complete menu of maintenance programs for school buses, medium-duty trucks and heavy-duty trucks, including computerized preventive maintenance, brakes, clutches, engines, transmission rebuilding, and road service.