Description
Inspection and Laboratory Services (except medical/dental): Valves

Includes
Includes: Commercial Testing and Laboratory Services

Excludes
Excludes: Medical and Dental Laboratory Services

Possible NAICS Codes
541350 – Building Inspection Services
541990 – All Other Professional, Scientific, and Technical Services
541380 – Testing Laboratories and Services
923120 – Administration of Public Health Programs
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
562910 – Remediation Services
561990 – All Other Support Services
237110 – Water and Sewer Line and Related Structures Construction
221310 – Water Supply and Irrigation Systems