D & J Supply is a family-owned supplier of heavy-duty truck parts, accessories and equipment. D & J Supply specializes in dump truck parts. Its shop services include drums and rotors turning, flywheel resurfacing, custom-made battery cables and custom-made hydraulic hoses. Other supplies include tire accessories, wheel accessories, brass fittings, wiper blades, mud flaps, mirrors, fire extinguishers and other tools and equipment.