CBP data indicates that there are more establishments categorized as retail trade businesses with between 250 and 499 employees in California than in any other category.
The following table shows how many construction businesses with between 250 and 499 employees were in California during the period from 2012 to 2016.
Construction businesses with between 250 and 499 employees in California (2012-2016)
Year
Total businesses
2012
652,902
2013
658,483
2014
667,099
2015
682,390
2016
696,733