CBP data indicates that there are more establishments categorized as retail trade businesses with between 100 and 249 employees in San Diego County zip codes than in any other category.
The following table shows how many finance and insurance businesses with between 100 and 249 employees were in San Diego County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between 100 and 249 employees in San Diego County (2012-2016)
Year
Total businesses
2012
38
2013
43
2014
39
2015
45
2016
54