CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 56001 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 56001 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 56001 (2012-2016)
Year
Total businesses
2012
15
2013
18
2014
22
2015
21
2016
20