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 insurance carriers and related activities with 500 or more employees were in California during the period from 2012 to 2016.
Insurance carriers and related activities with 500 or more employees in California (2012-2016)
Year
Total businesses
2012
176,309
2013
174,733
2014
177,141
2015
178,697
2016
181,512