Description
Equipment and Materials Testing: Water Purification and Sewage Treatment Equipment

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
541380 – Testing Laboratories and Services
541690 – Other Scientific and Technical Consulting Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
424690 – Other Chemical and Allied Products Merchant Wholesalers
562910 – Remediation Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
561210 – Facilities Support Services
541990 – All Other Professional, Scientific, and Technical Services
541620 – Environmental Consulting Services