CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Butler County zip codes than in any other category.
The following table shows how many mining, quarrying, oil and gas extraction businesses with between one and four employees were in Butler County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Butler County (2012-2016)
Year
Total businesses
2012
17
2013
19
2014
19
2015
19
2016
15