CBP data indicates that there were 21,513 total businesses in Suffolk County zip codes.
The following table gives a breakdown of businesses in Suffolk County by total employees in 2017.
Businesses in Suffolk County (2017) by total employees
| Total employees | Total businesses |
|---|---|
| 0 to 4 | 10,391 |
| 5 to 9 | 3,835 |
| 10 to 19 | 2,921 |
| 20 to 49 | 2,403 |
| 50 to 99 | 1,020 |
| 100 to 249 | 562 |
| 250 to 499 | 191 |
| more than 500 | 118 |
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