| DESCRIPTION | NUMBER OF COMPANIES 2013 |
|---|---|
| Aircraft Manufacturing | 10 |
| Aircraft Engine and Engine Parts Manufacturing | 35 |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing | 24 |
| Guided Missile and Space Vehicle Manufacturing | 2 |
| Scheduled Passenger Air Transportation | 48 |
| Scheduled Freight Air Transportation | 74 |
| Nonscheduled Chartered Passenger Air Transportation | 36 |
| Nonscheduled Chartered Freight Air Transportation | 23 |
| Air Traffic Control | 2 |
| Other Airport Operations | 35 |
| Other Support Activities for Air Transportation | 148 |
| Flight Training (Private)
Total |
22
459 |