Categories of Visas for Aliens Visa Number Visa Number Visa Number Visa Number Visa Number Employees of Foreign Governments A-1 A-2 A-3 Visitors for Business / Visitors for Pleasure B-1 B-2 Aliens in Transit Through the USA C-1 C-2 C-3 Alien Crew Members of Ships and Aircraft D-1 D-2 Treaty Traders and Treaty Investors E-1 E-2 E-3 Academic Students F-1 F-2 F-3 Employees of International Organizations G-1 G-2 G-3 G-4 G-5 Workers in Specialty Occupations H-1 H-1B H-2 H-3 H-4 Members of the Foreign Press I-1 Exchange Visitors J-1 J-2 Fiance or Spouse of U.S. Citizen K-1 K-2 K-3 K-4 Intracompany Transferees L-1 L-2 Vocational Students M-1 M-2 M-3 Parent /Child of Lawful Permanent Resident N-8 N-9 Aliens with Extraordinary Ability O-1 O-2 O-3 Alien Athletes and Entertainers P-1 P-2 P-3 P-4 Cultural Exchange Visitors Q-1 Religious Workers R-1 R-2 Aliens Supplying Critical Information On Criminal Activity S-5 S-6 S-7 Victims of Trafficking in Persons T-1 T-2 T-3 T-4 T-5 Victims of Criminal Activity U-1 U-2 U-3 U-4 U-5 Spouse / Child / Parent of Lawful Permanent Resident V-1 V-2 V-3 Professional Business Person From Canada or Mexico TN TD Common Categories of Aliens on the Visa Waiver Program Alien visitors from Compact of Free Association (CFA) countries: Micronesia Marshall Islands Palau Asylees: Aliens who have been granted asylum in the U.S.A. Refugees: Aliens who entered the U.S.A. as refugees Parolees: Aliens allowed to enter the U.S.A. temporarily Aliens in Temporary Protected Status (TPS) Lawful permanent residents: Green card holders References U.S. Department of State – Types of Visas for Temporary Visitors U.S. Department of State – Visa Types for Immigrants