Description
Equipment and Materials Testing: Miscellaneous

Possible NAICS Codes
541380 – Testing Laboratories and Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541330 – Engineering Services
334519 – Other Measuring and Controlling Device Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
541990 – All Other Professional, Scientific, and Technical Services
562998 – All Other Miscellaneous Waste Management Services
811210 – Electronic and Precision Equipment Repair and Maintenance
561210 – Facilities Support Services
238210 – Electrical Contractors and Other Wiring Installation Contractors