CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 85310 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 85310 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 85310 (2012-2016)
Year
Total businesses
2012
47
2013
43
2014
46
2015
43
2016
39