ECR Engines, also known as ECR Technologies and formerly Earnhardt-Childress Racing Technologies, is the engine department for Richard Childress Racing, located on the RCR campus in Welcome, North Carolina. The company builds Chevrolet engines for RCR and several teams in the NASCAR Cup Series, Xfinity Series, Truck Series, and ARCA Racing Series. It also produces engines for all Cadillac DPi-V.Rs in the IMSA WeatherTech SportsCar Championship series. Current ECR clients include Richard Petty Motorsports, Germain Racing, StarCom Racing, Beard Motorsports, Kaulig Racing, Chip Ganassi Racing, Action Express Racing, and JDC-Miller Motorsports. Former clients included Furniture Row Racing, Wayne Taylor Racing, JTG Daugherty Racing, Tommy Baldwin Racing, Leavine Family Racing, and Juncos Racing.