CBP data indicates that there were 3,512 total businesses in Porter County zip codes.
The following table gives a breakdown of businesses in Porter County by total employees in 2017.
Businesses in Porter County (2017) by total employees
| Total employees | Total businesses |
|---|---|
| 0 to 4 | 1,782 |
| 5 to 9 | 713 |
| 10 to 19 | 474 |
| 20 to 49 | 343 |
| 50 to 99 | 119 |
| 100 to 249 | 55 |
| 250 to 499 | 10 |
| more than 500 | 0-2 |