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
541330 – Engineering Services
236220 – Commercial and Institutional Building Construction
541310 – Architectural Services
721214 – Recreational and Vacation Camps (except Campgrounds)
541320 – Landscape Architectural Services
237990 – Other Heavy and Civil Engineering Construction