CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Baltimore County zip codes than in any other category.
The following table shows how many construction businesses with between one and four employees were in Baltimore County zip codes during the period from 2012 to 2016.
Construction businesses with between one and four employees in Baltimore County (2012-2016)
Year
Total businesses
2012
1164
2013
1138
2014
1145
2015
1148
2016
1154