GB Remanufacturing, Inc., founded in 1986, is a market leader in remanufactured gasoline and diesel fuel injectors, as well as diesel electronics, for the automotive aftermarket. Headquartered in Long Beach, California, the company was established by Bill and Michael Kitching. GB Reman has grown to over 150 employees and offers more than 1,400 products. They are known for their comprehensive gasoline fuel injector program and for being the first to offer a light-duty diesel program to the aftermarket in 2007.