CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 31220 than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in 31220 during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in 31220 (2012-2016)
Year
Total businesses
2012
14
2013
10
2014
10
2015
15
2016
14
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