CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 21045 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 21045 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 21045 (2012-2016)
Year
Total businesses
2012
37
2013
38
2014
40
2015
45
2016
48