CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in the U.S. than in any other category.
The following table shows how many mining (except oil and gas) businesses with between one and four employees were in the U.S. during the period from 2012 to 2016.
Mining (except oil and gas) businesses with between one and four employees in the U.S. (2012-2016)
Year
Total businesses
2012
6,582
2013
6,436
2014
6,384
2015
6,324
2016
6,204