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
811412 – Appliance Repair and Maintenance
541620 – Environmental Consulting Services
238160 – Roofing Contractors
236220 – Commercial and Institutional Building Construction