CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 51031 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 51031 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 51031 (2012-2016)
Year
Total businesses
2012
20
2013
22
2014
19
2015
23
2016
18