CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in King 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 King County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in King County (2012-2016)
Year
Total businesses
2012
2962
2013
2891
2014
2852
2015
2828
2016
2775