Work Visas E-1/E-2 visas The E-2 (E2) Treaty Investors visa is a nonimmigrant visa for certain nationals of countries with which the United States. H-1B Specialty Occupation Worker or Fashion Model As an H-1B specialty occupation worker or fashion model, you may be admitted for a period of up to three years. R-1 Visas: Temporary Religious Workers R-1 visas are temporary non-immigrant, work visas for foreign nationals coming to the United States to be employed as religious workers. H-2B Classification To qualify for H-2B nonimmigrant classification, the petitioner must establish that: TN STATUS FOR CANADIANS The TN visa was originally created under the North American Free Trade Agreement (NAFTA) between Canada, U.S. and Mexico.