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
541310 – Architectural Services
236220 – Commercial and Institutional Building Construction
541330 – Engineering Services
541350 – Building Inspection Services
712110 – Museums
212321 – Construction Sand and Gravel Mining