There were three businesses in California zip code 91770 that had more than 500 employees in 2017, according to County Business Patterns (CBP) statistics provided by the United States Census Bureau.
CBP data indicates that there were 1,311 total businesses in 91770.
The following table gives a breakdown of businesses in 91770 by total employees in 2017.
Businesses in 91770 (2017) by total employees
| Total employees | Total businesses |
|---|---|
| 0 to 4 | 846 |
| 5 to 9 | 216 |
| 10 to 19 | 127 |
| 20 to 49 | 78 |
| 50 to 99 | 25 |
| 100 to 249 | 10 |
| 250 to 499 | 5 |
| more than 500 | 3 |
