The H-1B is a non-immigrant visa in the United States under the Immigration and Nationality Act, section 101(a)(15)(H). It allows U.S. employers to temporarily employ foreign workers in specialty occupations.
U.S. businesses use the H-1B visa program to employ foreign workers in specialty occupations that require the theoretical or practical application of a body of highly specialized knowledge, including but not limited to scientists, engineers, or computer programmers.
In 2015, the United States issued total of 10,891,745 non-immigrant visas of which 172,000 H-1B visas worldwide [Source: US Department of State ]
According to Office of Foreign Labour Certification 2015 Report, Deloitte Consulting LLP was the top employer for H-1B positions certified in FY 2015.
California was the top work state for 3 out of the top 10 H-1B employers. In FY 2015, Texas, New York, New Jersey, and Illinois rounded out the top states for the top 10 H-1B employers. Most of the top 10 H-1B employers’ top occupations were in the computer related fields such as computer systems analysts and computer programmers. Occupations in Marketing, Accounting, and General Management covered the rest.