B1 - Business Visitors
B2 - Tourism Visitors
E1 - Treaty Traders
E2 - Treaty Investors
E3 - Australian Specialty Workers
H-1B - Specialty Workers
H-1B1 - Chileans and Singaporeans
H-1C - Registered Nurses
H-2A - Agricultural Workers
H-2B - Seasonal Workers
H-3 - Trainees
J-1 - Exchange Visitors
J-2 - Family members of J-1
L-1 - Intra Company transfer
L-2 - Family members of L-1
O-1 - Extraordinary Abilities
O-2 - Support Staff or O-1
P-1 - Athletes or Entertainers – Internationally recognized athlete/entertainers,
Q-1 - Cultural Exchange
Q-2 - Irish Nationals
R-1 - Religious Workers
B2 - Tourism Visitors
E1 - Treaty Traders
E2 - Treaty Investors
E3 - Australian Specialty Workers
H-1B - Specialty Workers
H-1B1 - Chileans and Singaporeans
H-1C - Registered Nurses
H-2A - Agricultural Workers
H-2B - Seasonal Workers
H-3 - Trainees
J-1 - Exchange Visitors
J-2 - Family members of J-1
L-1 - Intra Company transfer
L-2 - Family members of L-1
O-1 - Extraordinary Abilities
O-2 - Support Staff or O-1
P-1 - Athletes or Entertainers – Internationally recognized athlete/entertainers,
individually or as part of a group or team.
P-2 - Artists or Entertainers - Artist or Entertainer coming to perform under a reciprocal
exchange program.
P-3 - Artists or Entertainers - Artist or Entertainer coming to perform, teach or coach
under a culturally unique program.
P-4 - Dependents of either P1/P2/P3Q-1 - Cultural Exchange
Q-2 - Irish Nationals
R-1 - Religious Workers
More details about various types will be contd...