CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Major 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 Major County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Major County (2012-2016)
Year
Total businesses
2012
13
2013
12
2014
12
2015
12
2016
10
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