Note: United Statyes Visas http://en.wikipedia.org/wiki/United_States_visas
(section 2.1 A-1, A-2, and A-3; section 2.6.2 Self-Employment in the U.S. Not Permitted: "Other NAFTA Admissions Categories Nationals Canada and Mexico may also seek admission as B-1 (business visitor), E-1 (treaty trader), E-2 (treaty investor), or L-1 (intra-company transferee) nonimmigrants under NAFTA.")