CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 8520 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 8520 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 8520 (2012-2016)
Year
Total businesses
2012
15
2013
15
2014
13
2015
14
2016
14