CBP data indicates that there are more establishments categorized as health care and social assistance businesses with 500 or more employees in California than in any other category.
The following table shows how many heavy and civil engineering construction businesses with 500 or more employees were in California during the period from 2012 to 2016.
Heavy and civil engineering construction businesses with 500 or more employees in California (2012-2016)
Year
Total businesses
2012
39,133
2013
39,065
2014
38,724
2015
38,959
2016
38,477