CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in 29910 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 29910 during the period from 2012 to 2016.
Real estate, rental and leasing businesses with between one and four employees in 29910 (2012-2016)
Year
Total businesses
2012
47
2013
46
2014
56
2015
58
2016
60