CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Jefferson 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 Jefferson County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Jefferson County (2012-2016)
Year
Total businesses
2012
82
2013
71
2014
75
2015
68
2016
70
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