CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Maricopa County zip codes than in any other category.
The following table shows how many construction businesses with between one and four employees were in Maricopa County zip codes during the period from 2012 to 2016.
Construction businesses with between one and four employees in Maricopa County (2012-2016)
Year
Total businesses
2012
4086
2013
4158
2014
4143
2015
4183
2016
4270
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