M&D Distributors is a family owned business that was founded in 1943. The company has more than five locations in Texas and employs nearly 115 people. The company specializes in supplying new and rebuilt parts for diesel engines. It can service all makes of diesel fuel injections systems and turbochargers. M&D rebuilds and calibrates diesel and gas fuel injection systems and rebuilds all diesel engine components such as rods, blocks, cranks, water pumps and heads. M&D Distributors is a privately owned company that is headquartered in Houston.