CBP data indicates that there are more establishments categorized as retail trade businesses with between 250 and 499 employees in San Diego County zip codes than in any other category.
The following table shows how many finance and insurance businesses with between 250 and 499 employees were in San Diego County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between 250 and 499 employees in San Diego County (2012-2016)
Year
Total businesses
2012
13
2013
11
2014
13
2015
16
2016
16