Description
Modification of Equipment: Aircraft and Airframe Structural Components

Possible NAICS Codes
336411 – Aircraft Manufacturing
541512 – Computer Systems Design Services
488190 – Other Support Activities for Air Transportation
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336412 – Aircraft Engine and Engine Parts Manufacturing
541330 – Engineering Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)