CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Boulder 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 Boulder County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Boulder County (2012-2016)
Year
Total businesses
2012
14
2013
17
2014
18
2015
19
2016
18
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