CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in 91770 than in any other category.
The following table shows how many health care and social assistance businesses with between one and four employees were in 91770 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 91770 (2012-2016)
Year
Total businesses
2012
78
2013
83
2014
76
2015
87
2016
78
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