| Naics index | Naics index description |
|---|---|
| 611691 | Tutoring, academic |
| 611692 | Automobile driving schools |
| 611692 | Driver education |
| 611692 | Driver training schools (except bus, heavy equipment, truck) |
| 611692 | Motorcycle driving schools |
| 611699 | Bible schools (except degree granting) |
| 611699 | Bridge and other card game instruction |
| 611699 | Charm schools |
| 611699 | Chess instruction |
| 611699 | CPR (cardiopulmonary resuscitation) training and certification |