I'm assumed that you'll need a valid social security number. But actually, no according to http://www.sba.gov/blogs/starting-business-us-foreign-national http:

I'm assumed that you'll need a valid social security number. But actually, no according to http://www.sba.gov/blogs/starting-business-us-foreign-national http://www.sba.gov/blogs/starting-business-us-foreign-nation... which was the fourth link when googling for "creating a corporation in usa"