CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 21075 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 21075 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 21075 (2012-2016)
Year
Total businesses
2012
8
2013
12
2014
16
2015
19
2016
17