CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 55320 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 55320 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 55320 (2012-2016)
Year
Total businesses
2012
9
2013
7
2014
8
2015
8
2016
10