There are many types of non-immigrant visas available for individuals who wish to enter the United States temporarily for various purposes. Some of the most common types of non-immigrant visas include:

• A visa: This is a visa for diplomats and other officials of foreign governments who are coming to the US on official business.

• B-1/B-2 visas: These are tourist or business visitor visas for people who plan to visit the US for a short period of time.

• BCC (Border Crossing Card): This is a visa for Mexican citizens who frequently cross the US-Mexico border for short visits.

• C visa: This is a visa for individuals who are transiting through the US to another country.

• D visa: This is a visa for crew members of ships or aircraft who are coming to the US to perform their duties.

• E visa: This is a visa for individuals who are coming to the US to engage in international trade or investment.

• E Visa: This visa is available to dependents of E-1 or E-2 visa holders who are investors or traders. E visa holders can engage in business activities in the US.

• E-2 visa: This is a visa for individuals who are coming to the US to invest a substantial amount of capital in a US business.

• E-3 visa: This is a visa for Australian professionals who are coming to the US to work in a specialty occupation.

• F-1 visa: This is a student visa for individuals who plan to study full-time in the US.

• F-2 Visa: This visa is available to dependents of F-1 visa holders who are full-time students in the US. F-2 visa holders can study in the US, but they are not allowed to work.

• G visa: This is a visa for certain government officials, representatives, and employees, as well as their immediate family members and personal employees, who are coming to the US on official business.

• G-5 visa: This is a visa for personal employees of foreign government officials who are coming to the US on official business.

• H-1B visa: This is a work visa for individuals who have specialized skills and are coming to the US to work for a specific employer.

• H-1B1 visa: This is a visa for specialty occupation workers from Singapore and Chile who are coming to the US to work in a specialty occupation.

• H-2A/H-2B visa: These are visas for temporary agricultural workers and temporary non-agricultural workers, respectively.

• H-3 visa: This is a visa for individuals who are coming to the US to receive training in a program that is not available in their home country.

• H-4 Visa: This visa is available to dependents of H-1B visa holders who are skilled workers. H-4 visa holders are allowed to stay in the US as long as their spouse or parent holds a valid H-1B visa.

• I visa: This is a visa for representatives of foreign media, such as journalists or reporters, who are coming to the US to work in a media capacity.

• J-1 visa: This is an exchange visitor visa for individuals who will participate in educational, cultural, or scientific exchange programs.

• J-2 Visa: This visa is available to dependents of J-1 visa holders who are participating in an exchange program in the US. J-2 visa holders can study and work in the US.

• K-1 visa: This is a visa for fiancées or fiancés of US citizens who are coming to the US to marry and apply for permanent residence.

• L-1 visa: This is a work visa for intra-company transferees who are coming to the US to work for their employer's US branch or subsidiary.

• L-2 Visa: This visa is available to dependents of L-1 visa holders, who are employees of a US company or a foreign company with a US subsidiary. L-2 visa holders can study and work in the US.

• M visa: This is a visa for non-academic or vocational students who are coming to the US to attend a non-academic or vocational program.

• NATO visa: This is a visa for individuals who are members of the North Atlantic Treaty Organization (NATO) and are coming to the US on official business.

• O-1 visa: This is a visa for individuals who possess extraordinary ability in the sciences, arts, education, business, or athletics, and are coming to the US to work in their field.

• O-3 Visa: This visa is available to dependents of O-1 visa holders who are individuals with extraordinary abilities in the sciences, arts, education, business, or athletics. O-3 visa holders are allowed to stay in the US, but they are not allowed to work.

• P visa: This is a visa for athletes, entertainers, and performers who are coming to the US to perform in a specific event or performance.

• P-3 visa: This is a visa for performers, artists, and entertainers who are coming to the US to perform, teach, or coach in a culturally unique program.

• P-4 Visa: This visa is available to dependents of P-1, P-2, and P-3 visa holders who are athletes, entertainers, or artists coming to the US temporarily to perform. P-4 visa holders are allowed to stay in the US, but they are not allowed to work unless they obtain work authorization.

• Q visa: This is a visa for participants in international cultural exchange programs, such as those sponsored by the US government or non-profit organizations.

• R-1 visa: This is a visa for religious workers who are coming to the US to work in a religious capacity for a qualifying organization.

• S visa: This is a visa for individuals who provide information to law enforcement that helps to investigate or prosecute a criminal organization or activity, and whose presence in the US is necessary for the success of the investigation or prosecution.

• T visa: This is a visa for victims of human trafficking who are coming to the US to cooperate with law enforcement in prosecuting traffickers.

• TN visa: This is a visa for Canadian and Mexican professionals who are coming to the US to work in certain designated professions under the North American Free Trade Agreement (NAFTA).

• TN Visa: This visa is available to dependents of TN visa holders who are Canadian or Mexican professionals working in certain fields, such as engineering, science, or computer systems analysis, under the North American Free Trade Agreement (NAFTA). TN visa dependents are allowed to stay in the US, but they are not allowed to work unless they obtain work authorization.

• U visa: This is a visa for victims of certain crimes who are coming to the US to cooperate with law enforcement in prosecuting the perpetrators.

• V visa: This is a visa for spouses and minor children of US lawful permanent residents who have been waiting for an immigrant visa for a long time, and who are eligible for adjustment of status to permanent residency.

There are several types of immigrant visas available for individuals who wish to permanently reside in the United States. Here are the most common types of US immigrant visas:

• Family-based immigrant visas: These are available to individuals who have a close family member who is a US citizen or a US permanent resident.

• Employment-based immigrant visas: These are available to individuals who have a job offer from a US employer and have the necessary qualifications to work in the US.

• Diversity Immigrant Visa Program: This is a lottery-based program that offers a limited number of visas each year to individuals from countries with low rates of immigration to the US.

• Special immigrant visas: These are available to individuals who have a specific status or circumstance, such as certain religious workers, Afghan or Iraqi translators/interpreters who worked with the US Armed Forces, and victims of abuse.

• Refugee and asylum-based visas: These are available to individuals who are fleeing persecution or have a well-founded fear of persecution in their home country.

• Investor visas: These are available to individuals who want to invest a substantial amount of money in a US business and create jobs for US workers.