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 construction businesses with between one and four employees were in 91301 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 91301 (2012-2016)
Year
Total businesses
2012
83
2013
78
2014
82
2015
91
2016
80
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