These immigration classifications allow short-term visitors to come to the United States to conduct business, present a lecture, and attend conferences, seminars and other business meetings.
The H-1B classification is for an employer who wishes to sponsor a professional worker in a “specialty occupation.”
The North American Free Trade Agreement (NAFTA) established a TN non-immigrant classification for Canadian and Mexican citizens.
These immigration classifications allow short-term visitors to come to the United States for short visits for tourism, vacation, visiting family and friends, or medical treatment.
The J-1 was created to promote academic, cultural, and scientific exchange between the visitor and the host country.
The E-3 visa classification is for nationals of the Commonwealth of Australia to come to the United States to perform services in a "specialty occupation" under the Australia-United States Free Trade Agreement (AUSFTA).
This non-immigrant classification is available only to full-time, enrolled students working toward a degree or certificate or specified course of study at a United States institution of higher education.
O-1 classification is for those who have extraordinary ability in their academic field “demonstrated by national or international acclaim recognized in the field through extensive documentation” requested to work for specific employer for a specifically prescribed project/program.