This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Installation of Equipment: Aircraft and Airframe Structural Components
Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
488190 – Other Support Activities for Air Transportation
541330 – Engineering Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing