CBP data indicates that there are more establishments categorized as retail trade businesses with between 250 and 499 employees in Washington than in any other category.
The following table shows how many transportation and warehousing businesses with between 250 and 499 employees were in Washington during the period from 2012 to 2016.
Transportation and warehousing businesses with between 250 and 499 employees in Washington (2012-2016)
Year
Total businesses
2012
214,492
2013
215,547
2014
220,565
2015
228,382
2016
230,994