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.
Inspection and Laboratory Services (except medical/dental): Tractors
Includes: Commercial Testing and Laboratory Services
Excludes: Medical and Dental Laboratory Services
Possible NAICS Codes
811111 – General Automotive Repair
561990 – All Other Support Services
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing