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.
Equipment and Materials Testing: Agricultural Supplies
Possible NAICS Codes
541380 – Testing Laboratories
423820 – Farm and Garden Machinery and Equipment Merchant Wholesalers
541990 – All Other Professional, Scientific, and Technical Services
423850 – Service Establishment Equipment and Supplies Merchant Wholesalers
111160 – Rice Farming