| Naics index | Naics index description |
|---|---|
| 922120 | Housing police, government |
| 922120 | Marshals' offices |
| 922120 | Park police |
| 922120 | Police academies |
| 922120 | Police and fire departments, combined |
| 922120 | Police departments (except American Indian or Alaska Native) |
| 922120 | Sheriffs' offices (except court functions only) |
| 922120 | State police |
| 922120 | Transit police |
| 922130 | Attorney generals' offices |