CBP data indicates that there were 91,314 total businesses in Maricopa County zip codes.
The following table gives a breakdown of businesses in Maricopa County by total employees in 2016.
Businesses in Maricopa County (2016) by total employees
| Total employees | Total businesses | Percent of Maricopa County total |
|---|---|---|
| 0 to 4 | 49,821 | 54.6% |
| 5 to 9 | 15,209 | 16.7% |
| 10 to 19 | 11,390 | 12.5% |
| 20 to 49 | 8,958 | 9.8% |
| 50 to 99 | 3,320 | 3.6% |
| 100 to 249 | 1,825 | 2% |
| 250 to 499 | 485 | 0.5% |
| more than 500 | 306 | 0.3% |