The E visa category was established to give effect to treaties between the United States and foreign countries that provide for reciprocal benefits to nationals of each country who conduct trade between the two countries or who invest in the other country.
Nonimmigrant Visas
Foreign nationals looking to temporarily work in the United States must apply for a nonimmigrant visa, unless they are visa exempt. To qualify, he/she must have a specific employment offer through a U.S. employer or sponsor.
A nonimmigrant visa also has a maximum stay limitation. Depending on the temporary immigration category, a visa can permit a holder to remain in the country for a period that ranges from days to several years.
The specific requirements for each of the categories differ. If you are a applying for an H-1B, O -1, E-1, E-2 or L-1 visa, the following information may prove to be helpful: