Robert: The Pacific Electric headquarters was located at 6th and Main Street in downtown Los Angeles. The building is still there, but has been transformed into a loft-apartment building. We have attempted to locate employment records of former employees in the past, but have been unsuccessful and it seems none of these were preserved through the years. The Redondo Division of the Pacific Electric was established in 1911 when it purchased the line a previous company built from Los Angeles to Redondo Beach. As a laborer, your relative could have worked anywhere on this line as directed by management.