Westlake Village-baesd Gridtest Systems reported Tuesday that it has signed on nineteen new customers, including EV charging station manufacturers, independent labs, and installers. The firm, which develops equipment for testing electric vehicle charging systems, said new customers included Argonne National Laboratory, Idaho National Laboratory, Powertech, OpConnect, ChargePoint Australia, Autel, Entrance Controls, Mainpine, and the United States Department of Energy. Financial impact of the wins was not disclosed by the company. Gridtest is venture backed by the Pasadena Angels and the Tech Coast Angels. The company's CEO is Neal Roche.