CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Martin County zip codes than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in Martin County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Martin County (2012-2016)
Year
Total businesses
2012
19
2013
20
2014
16
2015
16
2016
14