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 Components and Accessories
Possible NAICS Codes
541330 – Engineering Services
488190 – Other Support Activities for Air Transportation
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
541512 – Computer Systems Design Services