CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 49770 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 49770 during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in 49770 (2012-2016)
Year
Total businesses
2012
61
2013
51
2014
45
2015
46
2016
51