CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 91301 than in any other category.
The following table shows how many administrative, support, waste management and remediation services businesses with between one and four employees were in 91301 during the period from 2012 to 2016.
Administrative, support, waste management and remediation services businesses with between one and four employees in 91301 (2012-2016)
Year
Total businesses
2012
41
2013
46
2014
47
2015
41
2016
40