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.
Technical Representation Services: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors
Possible NAICS Codes
811412 – Appliance Repair and Maintenance
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
541330 – Engineering Services
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
238220 – Plumbing, Heating, and Air-Conditioning Contractors