CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in San Diego County zip codes than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in San Diego County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in San Diego County (2012-2016)
Year
Total businesses
2012
3027
2013
3126
2014
3163
2015
3152
2016
3108