Description
Inspection and Laboratory Services (except medical/dental): Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors

Includes
Includes: Commercial Testing and Laboratory Services

Excludes
Excludes: Medical and Dental Laboratory Services

Possible NAICS Codes
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541350 – Building Inspection Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
541330 – Engineering Services
541380 – Testing Laboratories and Services
561210 – Facilities Support Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
221330 – Steam and Air-Conditioning Supply
811412 – Appliance Repair and Maintenance