USA

Athlete, amateur or professional (competing for prize money only)B-1(NA)
Au pair (exchange visitor)JSEVIS
Australian professional specialtyE-3DOL
Border Crossing Card: MexicoBCC(NA)
Business visitorB-1(NA)
CNMI-only transitional workerCW-1(USCIS)
CrewmemberD(NA)
Diplomat or foreign government officialA (NA)
Domestic employee or nanny – must be accompanying a foreign national employerB-1(NA)
Employee of a designated international organization or NATO  G1-G5, NATO(NA)
Exchange visitorJSEVIS
Foreign military personnel stationed in the United StatesA-2
NATO1-6
(NA)
Foreign national with extraordinary ability in Sciences, Arts, Education, Business or AthleticsOUSCIS
Free Trade Agreement (FTA) Professional:
Chile, Singapore
H-1B1 – Chile
H-1B1 – Singapore
DOL
International cultural exchange visitorQUSCIS
Intra-company transfereeLUSCIS
Medical treatment, visitor forB-2(NA)
Media, journalistI(NA)
NAFTA professional worker: Mexico, CanadaTN/TD(NA)
Performing athlete, artist, entertainerPUSCIS
PhysicianJ , H-1BSEVIS
Professor, scholar, teacher (exchange visitor)JSEVIS
Religious workerRUSCIS
Specialty occupations in fields requiring highly specialized knowledgeH-1BDOL then USCIS
Student: academic, vocationalF, MSEVIS
Temporary agricultural workerH-2ADOL then USCIS
Temporary worker performing other services or labor of a temporary or seasonal nature.H-2BDOL then USCIS
Tourism, vacation, pleasure visitorB-2(NA)
Training in a program not primarily for employmentH-3USCIS
Treaty trader/treaty investorE(NA)
Transiting the United StatesC(NA)
Victim of Criminal ActivityUUSCIS
Victim of Human TraffickingTUSCIS
Nonimmigrant (V) Visa for Spouse and Children of a Lawful Permanent Resident (LPR)V(NA)
Renewals in the U.S. – A, G, and NATO Visas (NA)

https://epservices.online/usa/