Interesting tool (on an anti-corporation website) for researching what corporation’s parent/children corporations are: http://www.badcorp.org/hierarchy.cfm?action=popular&searchType=Companies
In example:

Related posts:
Interesting tool (on an anti-corporation website) for researching what corporation’s parent/children corporations are: http://www.badcorp.org/hierarchy.cfm?action=popular&searchType=Companies
In example:

Related posts: