CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 23320 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 23320 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 23320 (2012-2016)
Year
Total businesses
2012
20
2013
22
2014
19
2015
20
2016
24