CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 91105 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 91105 during the period from 2012 to 2016.
Professional, scientific and technical services businesses with between one and four employees in 91105 (2012-2016)
Year
Total businesses
2012
141
2013
143
2014
137
2015
139
2016
140