There were 35 professional, scientific and technical services businesses in Los Angeles County zip codes that had 500 or more employees in 2016, according to County Business Patterns (CBP) statistics provided by the United States Census Bureau.
CBP data indicates that there are more establishments categorized as health care and social assistance businesses with 500 or more employees in Los Angeles County zip codes than in any other category.
The following table shows how many professional, scientific and technical services businesses with 500 or more employees were in Los Angeles County zip codes during the period from 2012 to 2016.


