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 real estate, rental and leasing businesses with between one and four employees were in Baltimore County zip codes during the period from 2012 to 2016.
Real estate, rental and leasing businesses with between one and four employees in Baltimore County (2012-2016)
Year
Total businesses
2012
513
2013
517
2014
517
2015
515
2016
557