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 health care and social assistance businesses with between one and four employees were in San Diego County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in San Diego County (2012-2016)
Year
Total businesses
2012
4614
2013
4684
2014
4835
2015
4946
2016
5062
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