CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 99901 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 99901 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 99901 (2012-2016)
Year
Total businesses
2012
48
2013
42
2014
43
2015
43
2016
46
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