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 manufacturing businesses with between one and four employees were in San Diego County zip codes during the period from 2012 to 2016.
Manufacturing businesses with between one and four employees in San Diego County (2012-2016)
Year
Total businesses
2012
1267
2013
1257
2014
1259
2015
1306
2016
1340
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