CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in San Francisco County zip codes than in any other category.
The following table shows how many management of companies and enterprises with between one and four employees were in San Francisco County zip codes during the period from 2012 to 2016.
Management of companies and enterprises with between one and four employees in San Francisco County (2012-2016)
Year
Total businesses
2012
88
2013
84
2014
82
2015
96
2016
90