1. Tektronix Service Solutions 1411 N Grand Ave, Covina, CA 91724 Coordinate: 34.10518,-117.87421 Phone: (626) 815-2627
2. Gourmet Electronics 706 E Arrow Hwy Ste E, Covina, CA 91722 Coordinate: 34.10664,-117.90355 Phone: (626) 966-2019