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.
Technical Representation Services: Aircraft and Airframe Structural Components
Possible NAICS Codes
541330 – Engineering Services
336411 – Aircraft Manufacturing
541370 – Surveying and Mapping (except Geophysical) Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
541614 – Process, Physical Distribution, and Logistics Consulting Services