CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in San Mateo County zip codes than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in San Mateo County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in San Mateo County (2012-2016)
Year
Total businesses
2012
833
2013
807
2014
809
2015
811
2016
812
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