The following table shows how many professional, scientific and technical services businesses with between 250 and 499 employees were in King County zip codes during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between 250 and 499 employees in King County (2012-2016)
Year
Total businesses
2012
35
2013
32
2014
37
2015
38
2016
45