| A-1, A-2, A-3 |
Ambassadors, public ministers, diplomats or consulate officers assigned to represent their country in the U.S., their immediate families and servants |
| B-1 |
Temporary business visitors |
| B-2 |
Temporary visitors for pleasure |
| C-1 |
Aliens in transit through the U.S. to a third country |
| D |
Crewmen of aircraft or sea vessels |
| E-1 |
Treaty trader, spouse and minor children |
| E-2 |
Treaty investor, spouse and minor children |
| F-1 |
Students pursing academic courses of study |
| F-2 |
Spouse and minor children of F-1 |
| G-1 thru G-5 |
Representatives of international organizations like the United Nations and the World Bank, their families, staff and servants |
| H-1B |
Specialty occupations |
| H-2A |
Agricultural temporary workers |
| H-2B |
Non-agricultural temporary workers |
| H-3 |
Temporary trainees, special education |
| H-4 |
Spouse and minor children of H-1, H-2 and H-3 visa holders |
| I |
Representatives of foreign information media, and their family |
| J-1 |
Exchange visitors |
| J-2 |
Spouse and minor children of J-1visa holders |
| K-1 |
Alien finace or fiance of U.S. citizen and minor children |
| L-1 |
Temporary intracompany transferees |
| L-2 |
Spouse and minor children of L-1 visa holder |
| M-1 |
Students enrolled in vocational educational programs |
| M-2 |
Spouse and minor children of M-1 visa holders |
| N-1 thru N-7 |
NATO visa holders |
| O-1, O-2, O-3 |
Extraordinary aliens, essential support and family |
| P-1, P-2, P-3 |
Athletes, Entertainers |
| Q |
Cultural exchange |
| R-1 |
Religious workers |
| R-2 |
Spouse and minor children of religious workers |
| TN |
Temporary NAFTA professional |