CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Tulsa 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 Tulsa County zip codes during the period from 2012 to 2016.
Mining, quarrying, oil and gas extraction businesses with between one and four employees in Tulsa County (2012-2016)
Year
Total businesses
2012
235
2013
234
2014
236
2015
226
2016
201