CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 91504 than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in 91504 during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in 91504 (2012-2016)
Year
Total businesses
2012
9
2013
7
2014
11
2015
15
2016
13