The number of requests for H-1B visas by Delaware staffing companies for more than 8-thousand workers has jumped 370 percent since 2009.
The Wilmington News Journal reports that it is not clear how much of the increase is due to companies trying to increase their chances of getting the visas in the federal lottery system.
Some high tech jobs can pay as much as $90-thousand a year.
But there is a problem with fraud.
A News Journal investigation found that tech workers from India found that the big contracts that drew them to the United State had disappeared.
The paper also reports that many workers were left to live in a company rented apartment without pay and no other way to obtain work.
