CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Maryland than in any other category.
The following table shows how many heavy and civil engineering construction businesses with between one and four employees were in Maryland during the period from 2012 to 2016.
Heavy and civil engineering construction businesses with between one and four employees in Maryland (2012-2016)
Year
Total businesses
2012
39,133
2013
39,065
2014
38,724
2015
38,959
2016
38,477