I do think that it's possible to register a company, but don't know how that works out for non-US people.
EU is trying to make US treat it as a single entity ( http://www.novinite.com/view_news.php?id=114061 ) but for the last 4 years they've pretty much failed to do so.
I do think that it's possible to register a company, but don't know how that works out for non-US people.