Description
Inspection and Laboratory Services (except medical/dental): Water Purification and Sewage Treatment Equipment

Includes
Includes: Commercial Testing and Laboratory Services

Excludes
Excludes: Medical and Dental Laboratory Services

Possible NAICS Codes
541620 – Environmental Consulting Services
221310 – Water Supply and Irrigation Systems
541380 – Testing Laboratories and Services
325620 – Toilet Preparation Manufacturing
221320 – Sewage Treatment Facilities
561990 – All Other Support Services
238910 – Site Preparation Contractors
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
541990 – All Other Professional, Scientific, and Technical Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors