They seem to "offshore" just as much as anyone else:
http://www.theguardian.com/world/2016/apr/14/us-corporations-14-trillion-hidden-tax-havens-oxfam
They are all run byarseholes businessmen, accountants, and lawyers.
http://www.theguardian.com/world/2016/apr/14/us-corporations-14-trillion-hidden-tax-havens-oxfam
They are all run by