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
541511 – Custom Computer Programming Services
541620 – Environmental Consulting Services
541330 – Engineering Services
334516 – Analytical Laboratory Instrument Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing