| 332312 |
Fabricated Structural Metal Manufacturing |
| 332710 |
Machine Shops |
| 332999 |
All Other Miscellaneous Fabricated Metal Product Manufacturing |
| 333316 |
Projection Screens (I.E., Motion Picture, Overhead, Slide) Manufacturing |
| 333318 |
Flight Simulation Machinery Manufacturing |
| 334511 |
Flight and Navigation Sensors, Transmitters, and Displays Manufacturing |
| 336413 |
Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| 541330 |
Engineering Services |
| 541990 |
All Other Professional, Scientific, and Technical Services |
| 811310 |
Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance |
| 76992200 |
Aircraft and Heavy Equipment Repair Services |
