CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Westmoreland 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 Westmoreland County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Westmoreland County (2012-2016)
Year
Total businesses
2012
529
2013
522
2014
510
2015
494
2016
490