PSC H399 Inspection—Miscellaneous

Federal Category 18.4: Equipment Related Services Quality Control

Inspection and Laboratory Services (except medical/dental): Miscellaneous

Includes: Commercial Testing and Laboratory Services

Excludes: Medical and Dental Laboratory Services

Possible NAICS Codes
541350 – Building Inspection Services
541990 – All Other Professional, Scientific, and Technical Services
541330 – Engineering Services
541380 – Testing Laboratories
541690 – Other Scientific and Technical Consulting Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561990 – All Other Support Services
333921 – Elevator and Moving Stairway Manufacturing
541620 – Environmental Consulting Services
238290 – Other Building Equipment Contractors