Many people are interested in understanding the corporate structure - how the subsidiaries, divisions, locations all fit together. While finding out this information is often not easy, there are sources that can help.
There are two basic first steps, but
Beyond that there are more traditional sources listed below.
The following books provide more information on subsidiaries, branches, and locations, and link to fuller bibliographic information in the Library of Congress Online Catalog.
Below are print and subscription resources that are good for trying to understand the structure of a company. The subscription resources marked with a padlock are available to researchers on-site at the Library of Congress. If you are unable to visit the Library, you may be able to access these resources through your local public or academic library.