CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 91001 than in any other category.
The following table shows how many arts, entertainment and recreation businesses with between one and four employees were in 91001 during the period from 2012 to 2016.
Arts, entertainment and recreation businesses with between one and four employees in 91001 (2012-2016)
Year
Total businesses
2012
27
2013
28
2014
28
2015
28
2016
32