CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Richland 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 Richland County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Richland County (2012-2016)
Year
Total businesses
2012
24
2013
29
2014
29
2015
28
2016
24
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