| Naics index | Naics index description |
|---|---|
| 481112 | Air cargo carriers (except air couriers), scheduled |
| 481112 | Airmail carriers, scheduled |
| 481112 | Cargo carriers, air, scheduled |
| 481112 | Freight carriers (except air couriers), air, scheduled |
| 481112 | Helicopter freight carriers, scheduled |
| 481112 | Scheduled air freight carriers |
| 481112 | Scheduled air freight transportation |
| 481211 | Air passenger carriers, nonscheduled |
| 481211 | Air taxi services |
| 481211 | Aircraft charter services, passenger |