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.
Quality Control Services: Household and Commercial Furnishings and Appliances
Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561790 – Other Services to Buildings and Dwellings
541380 – Testing Laboratories
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
238390 – Other Building Finishing Contractors