CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Snohomish County zip codes than in any other category.
The following table shows how many professional, scientific and technical services businesses with between one and four employees were in Snohomish County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in Snohomish County (2012-2016)
Year
Total businesses
2012
1137
2013
1177
2014
1204
2015
1209
2016
1257