Testing Locations » California » San Diego CA » E&J Medical Services, Inc – E&J Medical Services, Inc – Drug Testing Only (Preferred) E&J Medical Services, Inc – E&J Medical Services, Inc – Drug Testing Only (Preferred) E&J Medical Services, Inc – E&J Medical Services, Inc – Drug Testing Only (Preferred)8555 Aero DrSuite 100San Diego, CA 92123-1743 United States