This is an employment-based, first-preference immigrant visa for a person of extraordinary ability, an outstanding professor or researcher, or a certain multinational executive or manager. Each occupational category has certain requirements that must be met.
EB1: You much be able to demonstrate extraordinary ability in the sciences, arts, education, business, or athletics through sustained national or international acclaim.
EB2:The job you apply for must require an advanced degree and you must possess such a degree or its foreign equivalent (a baccalaureate or foreign equivalent degree plus 5 years of post-baccalaureate, progressive work experience in the field). You must meet any other requirements specified on the labor certification as applicable.
EB3:You may be eligible for this immigration visa preference category if you are a skilled worker, professional, or other worker.