us visa

There are many different kinds of us visa. On the one hand you have the tourist visa, then there are the work and study visa and there is a category with the immigration visa. If you want to visit the United States of America as a tourist you do not need a special us visa. You just have to fill out the ESTA, which belongs to the Visa Waiver Program. The VWP allows a tourist to enter the US as a tourist for a maximum of 90 days a year, or transit the US.
If you want to work in the USA you need a business visa. You will find different kinds of work permits like the C-1D Visa (Combined transit and Crewman Visa), H-3 Visa (this is an us visa for Trainees) and the R-1 Visa (Religious Workers).
The us visa for students is the J-1 Visa. An immigration visa can be the EB-1 Visa (Priority Workers), EB-5 Visa (Immigration Investor Program) or the Diversity Visa Program which is also called "the green card lottery". As you can see there are many different ways to get legally to the United States. You can apply for the us visa in agencies which are specialised for us visa like The American Dream USA services GmbH.

Links: usa immigration | usa green card | green card usa | lottery green card |