CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Callahan 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 Callahan County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Callahan County (2012-2016)
Year
Total businesses
2012
10
2013
10
2014
10
2015
9
2016
12
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