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
541690 – Other Scientific and Technical Consulting Services
611310 – Colleges, Universities, and Professional Schools
541611 – Administrative Management and General Management Consulting Services
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)