B-1 Visitor For Business:

The B-1 visa is for individuals who wish to visit the United States temporarily for business purposes.  Although the B-1 visa is available to business visitors, it is important to note that this visa does not allow employment in the U.S.  However, business visitors may attend meetings, conventions, conferences, or negotiations on behalf of a foreign employer. 

B-2 Visitor For Pleasure:

The B-2 visa is for individuals who wish to visit the United States temporarily or to visit family or friends. 

H-3 Nonimmigrant Trainee or Special Education Exchange Visitor:

The H-3 nonimmigrant trainee or special education exchange visitor visa category is for aliens coming temporarily to the United States as either a:

• Trainee: to receive training, other than graduate or medical education training, that is not available in the alien’s home country; Or
• Special Education Exchange Visitor: to participate in a special education exchange visitor training program for children with physical, mental, or emotional disabilities.

 J-1 Exchange Visitors:

The J1 visa is designed to provide educational and cultural exchange programs, and to promote the sharing of individuals, knowledge and skills in education, arts and sciences.

J-1 Exchange Visitors are for those who intend to participate in an approved program for the purpose of teaching, instructing or lecturing, studying, observing, conducting research, consulting, demonstrating special skills, receiving training, or to receive graduate medical education or training.