B-1/B-2 Visitor's Visas
Available for aliens coming to the U.S. for business or pleasure. B-1 business visitor visas are for a short duration and must not involve local employment. B-2 visitors for pleasure are allowed to travel, rest, visit friends or relatives, tour, engage in other entertainment, obtain medical treatment, or participate in conferences.

E-1/E-2 Treaty Trader and Investor Visas
This category is available for countries that have treaties with the United States for a similar category. This category is usual for business personnel seeking entry in to the united States for extended periods of time to oversee an enterprise that is engaged in trade between the United States and a foreign country. This visa can be extended almost indefinitely.

F-1 Student Visas
Individuals seeking to pursue a full course of study at a secondary or post-secondary school in the United States may be eligible for a visa for the course of their study plus, in some cases, a period for practical training in their field of study. F-1 students are admitted for duration of status (D/S) which means the time it takes to complete their level of study.

H-1B Specialty Occupation (Professionals) Visas
The H-1B classification is for people to come to the United Sates to temporarily to work The worker must be coming to perform service in a "specialty occupation." That means that the worker must have at least a Bachelor's Degree or its equivalent in experience. The job offered must require the degree, and the employer must also pay the prevailing wage for the job offered.

Learn more about filing for a H-1B Visa

J-1 and Q-1 Exchange Visitor Visas
Persons coming to the U.S. in an approved exchange program may be eligible for the J-1 Exchange Visitor's visa. J-1 programs often cover students, short-term scholars, business trainees, teachers, professors and research scholars, specialists, international visitors, government visitors, camp counselors and au pairs. In some cases, participation in a J-1 program will be subject to a 2 year home residency requirement. That means a person who is subject to this cannot adjust his/her status to be a permanent resident or change to an H or L category. It must be noted that there are waivers available for this requirement.

K-1 Fiancé Visas
A Fiance of a U.S. citizen is eligible for a non-immigrant visa. However, the alien must marry his/her fiancé petitioner within 90 days, or return to his/her home country.

Learn more about filing for a K-1 Visa for the fiancé of a United States citizen who is currently residing outside the United States.

K-3 Visas
The K-3 Visa allows the spouse of a U.S. citizen, who is waiting abroad for an immigrant visa, and the (K-4 Visa) spouse's children to enter the United States as nonimmigrants, re-unite with their family here, and then apply for immigrant status while in the country. It is one of several immigration benefit provisions created by the Legal Immigration Family Equity Act (LIFE Act).

Learn more about filing for a K-3 Visa for the spouse of a United States citizen who is currently residing outside the United States.

L-1 Intracompany Transfer Visas
L-1 visas are available to executives, managers and specialized knowledge employees transferring to their employer's U.S. branch, affiliate or subsidiary as long as the subsidiary or affiliate has been doing business in the United States for at least 1 year. The employee must have worked for the company for at least 1 year prior to coming to the United States. L-1 Visa

Marriage Visa
There are different types of visas available to come to the United States if you are married to a US Citizen or Permanent Resident. There is an immigrant visa which allows an foreign national to come already as a "permanent resident." Also, there is a K-3 visa that will allow spouses of US Citizens to live in the United States while their petitions are pending. Learn more about Marriage Visas

O-1 Extraordinary Ability Worker Visas
The O-1 category is for foreign nationals with extraordinary ability in the fields of the Sciences, Arts, Education, Business, or Athletes as well as Aliens of Extraordinary ability in Motion Pictures and Television industry. Learn more about the O-1 Visa

P-1 Artists and Athletes Visas
This category includes. athletes, artists and entertainers who are "internationally recognized" for their performances as individual athletes or members of an athletic team, and to entertainment groups that have been recognized internationally as being outstanding in the discipline for a sustained and substantial period of time. There is also a classification under this category for an artist or entertainer in a reciprocal exchange program, and for artists and entertainers in culturally unique programs. Learn more about the P-1 Visa

R-1 Religious Worker Visas
A religious worker is an alien who has been a member of a religious denomination for at least 2 years preceding the time of application , as long as this religion denomination has a non profit religious organization in the United States. A alien can be admitted as a Minster, or to work for their organization in a professional capacity or to work for the organization in a religious vocation or occupation.

TN Status Under the North American Free Trade Agreement
The "TN", or "Trade NAFTA", nonimmigrant visa category was created by the North American Free-Trade Agreement ("NAFTA") in 1994. NAFTA provides for the temporary entry of Canadian and Mexican citizens to the United States, for United States and Mexican citizens to Canada, and for United States and Canadian citizens into Mexico. To qualify for TN status the intended profession must be listed on Schedule 2 of NAFTA, and the alien must posses the necessary credential to be considered a professional in one of Schedule 2 fields. (these professionals include, but are not limited to accountants, graphic designers, engineers, hotel manager, librarian, social worker, medical professional teacher, and scientist). TN Visa

V Visa
The V visa allows certain alien spouses and minor children of U.S. permanent residents to live and work in the United States while awaiting processing of an immigrant visa or adjustment of status. Only beneficiaries of I-130's filed on or before December 21, 2000, qualify for the V visa.