PSC H268 Equipment and Materials Testing—Chemicals and Chemical Products

Federal Category 18.4: Equipment Related Services Quality Control

Equipment and Materials Testing: Chemicals and Chemical Products

Possible NAICS Codes
541380 – Testing Laboratories
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
561210 – Facilities Support Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541620 – Environmental Consulting Services
424690 – Other Chemical and Allied Products Merchant Wholesalers
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
238220 – Plumbing, Heating, and Air-Conditioning Contractors