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.
Possible NAICS Codes
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541380 – Testing Laboratories
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
541330 – Engineering Services
541720 – Research and Development in the Social Sciences and Humanities