CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Douglas 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 Douglas County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Douglas County (2012-2016)
Year
Total businesses
2012
25
2013
26
2014
30
2015
32
2016
29