4. Business and Other Services
Immigrant Workforce: 7%
Top U.S Employer: Berkshire Hathaway Inc. (NYSE:BRK.A), 316,000 employees
The business and other services industry includes a wide range of services, ranging from professional services like legal and advertising to personal services like salons. Together, the illegal immigrant population accounted for 7% of its total workforce. Unauthorized immigrants are less likely to be working in jobs related to education, health or public administration services compared to some of the other jobs available in the industry.
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