Business Visitors (B-1)   
B-1 visitors may apply for visas to enter the U.S.A. on behalf of their overseas employer, for a short duration that may not involve local employment. Nationals of certain countries may be eligible to visit the U.S.A. for business purposes for up to 90 days without obtaining a visa under the Visa Waiver Pilot Program.

Visitors for Pleasure (B-2)
 B-2 visitors for pleasure may apply for visas to enter the U.S.A. for tourism, visits, medical treatment, and certain other activities. Nationals of certain countries may be eligible to visit the U.S.A. for pleasure for up to 90 days without obtaining a visa under the Visa Waiver Pilot Program.

Treaty Traders (E-1) Treaty traders and their employees may apply for visas to carry on substantial trade between the U.S.A. and their home country, if their home country has the required treaty with the U.S.A.

Treaty Investors (E-2) Investors who invest a substantial amount of capital in a U.S. enterprise, and who will develop and direct the enterprise, may apply for a visa if their home country has the required treaty with the U.S.A.

Students (F-1) Students who will pursue a full course of study at an authorized educational institution in the United States may apply for a student visa. In some cases, a period of practical training in the field of study may be available.

Specialty Occupations (Professionals) (H-1B) Professional workers with at least a bachelor's degree or its equivalent may apply for a visa if the U.S. employer can document that the worker will be paid at least the prevailing wage for the position. In some cases, documented work experience may be accepted in lieu of a bachelor's degree.

Exchange Visitors (J-1)
Exchange visitors may apply for a visa to travel to the U.S.A. in an approved exchange program. This category includes certain students, medical residents and physicians, professors and research scholars, specialists, government visitors, camp counselors and au pairs. Some J-1 programs require that the exchange visitor spend two full years outside the U.S.A. before obtaining a new nonimmigrant visa or applying for the Green Card.

Fianc(e)és (K-1) A fianc(e)é of a U.S. citizen may apply for a nonimmigrant visa, which allows U.S. entry for 90 days. Within that 90 day period, the U.S. citizen and foreign
fianc(e)é must be married to the petitioner. The fianc(e)é must then apply for permanent resident status. If the fianc(e)é doesn't marry the original petitioner, the fianc(e)é can not change to any other category of visa.  

Intracompany Transferees (L-1) Executives, managers and specialized knowledge employees may apply for a visa to transfer to their employer's U.S. affiliate, parent or subsidiary, if they have at least one year of qualifying experience within three years prior to their entry to the U.S.A.

Extraordinary Ability Workers (O-1) Foreign nationals whose extraordinary ability in the sciences, arts, education, business or athletics has been demonstrated by sustained national or international acclaim may apply for a visa in this category.

Athletes, Artists and Entertainers (P-1) Foreign nationals whose work involves international recognition, participation in a reciprocal exchange program, or a culturally unique performance or production, may apply for a vis a in this category.

Religious Workers (R-1) Religious workers, including ministers of religion and persons working in a professional capacity in a religious vocation or occupation, may apply for a visa in this category.

NAFTA Workers (TN) Special rules apply to citizens of Canada and Mexico under the provisions of the North American Free Trade Agreement. For citizens of Canada, visas are generally not required and port of entry processing is available.

Nonimmigrant Visas :  

These categories relate to individuals coming to the U.S.on temporary visas:

Visa - Diplomats and Staff - A-1/A-2

Visa - Visitors and  Business - B-1/B-2           

Visa - Airline & Ship Crew - C/D

Visa - E-1/E-2/E-3

Visa - Student - F-1/F-2

Visa - Int'l Organizations - G-4/G-5                                                                     

Visa - H-1/H-2/H-3/H-4

Visa - Journalists - I   

Visa - J-1/J-2 

Visa - K-1/K-2                                                  

Visa  - L-1/L-2

Visa - M 

Visa - N

Visa  - O-1/O-2 

Visa - P-1/P-2/P-3

Visa - Q
                                                      
Visa - Religious - R  

Visa - S/T/U

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