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 administrative, support, waste management and remediation services businesses with between one and four employees were in Maricopa County zip codes during the period from 2012 to 2016.
Administrative, support, waste management and remediation services businesses with between one and four employees in Maricopa County (2012-2016)
Year
Total businesses
2012
3139
2013
3244
2014
3347
2015
3278
2016
3299