If you have the necessary education or skills, you may be eligible for a permanent worker visa to immigrate with your family to the U.S. To work in the U.S. temporarily, learn about nonimmigrant work visas and how to apply for a work permit. Types of immigrant work visas and their requirements There are five categories of immigrant visas for permanent workers. The requirements to qualify vary depending on the type of visa. See the 5 categories of permanent worker visas. Each category is intended for different professions or skills. Some categories require you to have a job offer from a U.S. employer (sponsor) before submitting your visa application. Some categories require the employer (sponsor) to file an application with the United States Citizenship and Immigration Services (USCIS) and obtain a labor certification from the Department of Labor (DOL). How to apply for an immigrant work visa Learn about the requirements and the process to apply for each of these employment-based immigrant visas, including: Forms and documents you will need Processing fees Visa interview Medical exams How to become a permanent resident (Green Card holder)