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 accommodation and food services businesses with between one and four employees were in San Diego County zip codes during the period from 2012 to 2016.
Accommodation and food services businesses with between one and four employees in San Diego County (2012-2016)
Year
Total businesses
2012
1984
2013
2001
2014
1968
2015
1918
2016
1974