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
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
621420 – Outpatient Mental Health and Substance Abuse Centers
561621 – Security Systems Services (except Locksmiths)
541611 – Administrative Management and General Management Consulting Services
238290 – Other Building Equipment Contractors