B-1 for Business — for certain nonimmigrants who are visiting the U.S. for permissible business activities.
B-2 for Pleasure or Medical Treatment — for tourism, social visits, certain medical treatments, and participation in amateur sports, music, and similar events.
F-1 (Exchange) — for students entering the U.S. to participate in a full course of study at an accredited school or university.
H1B Visa — allows foreign nationals to work in the U.S. in a “specialty occupation” for a temporary period.
L-1 Visa — for the transfer of executives, managers, and employees in a specialized knowledge position within multinational companies.
U Visas — for individuals who have suffered substantial mental or physical injury as victims of crime in the United States may qualify to remain temporarily in the country to assist law enforcement and provide testimony against the perpetrator.