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 real estate, rental and leasing businesses with between one and four employees were in San Diego County zip codes during the period from 2012 to 2016.
Real estate, rental and leasing businesses with between one and four employees in San Diego County (2012-2016)
Year
Total businesses
2012
4040
2013
4280
2014
4360
2015
4536
2016
4701
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