CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 99403 than in any other category.
The following table shows how many professional, scientific and technical services businesses with between one and four employees were in 99403 during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in 99403 (2012-2016)
Year
Total businesses
2012
17
2013
19
2014
19
2015
20
2016
20