| Air Traffic Control |
| Aircraft Engine and Engine Parts Manufacturing |
| Aircraft Manufacturing |
| All Other Miscellaneous Manufacturing |
| Flight Training |
| Freight Transportation Arrangement |
| Guided Missile and Space Vehicle Manufacturing |
| Investment Advice |
| Motorcycle, ATV, and All Other Motor Vehicle Dealers |
| NA |
| Nonscheduled Chartered Freight Air Transportation |
| Nonscheduled Chartered Passenger Air Transportation |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| Other Airport Operations |
| Other Nonscheduled Air Transportation |
| Other Support Activities for Air Transportation |
| Rubber and Plastics Hoses and Belting Manufacturing |
| Scheduled Freight Air Transportation |
| Scheduled Passenger Air Transportation |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Tire Dealers |
| <all other values> |
