| Visa |
Designation |
Uses |
Max. Stay |
| B1 |
Business Visitor |
For business people soliciting sales, conducting negotiations, attending meetings and seeking investment. |
6 Months |
| B-2 |
Pleasure Visitor |
Visit for vacation, friends, etc.. |
6 Months |
| H1B |
Specialty Occupation Worker |
For individuals having the equivalent of a US bachelor degree (Foreign degrees and/or work experience may be found to be equivalent to a US bachelor degree). |
6 Years |
| L1-A |
Intra Company Transferee |
For executives or managers who have worked for at least one year in the past three for a foreign parent, subsidiary, affiliate, or branch office of the US company that will employ them. |
7 Years |
| L1-B |
Intra-Company
Transferee |
For specialized knowledge employees who have worked for at least one year in the past three for a foreign parent, subsidiary, affiliate, or branch office of the proposed US employer. |
5 Years |
| E1 |
Treaty Trader |
For staff and/or principal to direct and develop import / export trade between the US and the treaty country. |
Indefinite (2 - year increments) |
| E2 |
Treaty Investor |
For staff and/or principal to direct and develop investments made in the US by a treaty country national/company. |
Indefinite (2 - year increments) |
| Permanent Residence |
First Preference Priority Worker |
For international managers and executives. Also for aliens with extraordinary ability and outstanding Professors/Researchers. |
Permanent |
| Permanent Residence |
Second Preference Priority Worker |
Professionals with advanced degrees or those with exceptional ability in the sciences, arts or business. |
Permanent |
| Permanent Residence |
Third Preference Worker |
Professionals with basic degrees, and skilled workers. Also "other workers" who have less than two years of relevant experience. |
Permanent |
| TN-1 |
Canadian Professional |
For Canadian professionals and managers (specific categories). |
Indefinite (1 - year increments) |