Description
Water Services

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
221320 – Sewage Treatment Facilities
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
237110 – Water and Sewer Line and Related Structures Construction
488390 – Other Support Activities for Water Transportation
221210 – Natural Gas Distribution

Includes
Demineralizers; Filtration Equipment; Ice and Snow Melters.

Excludes
Water Purification Compounds (FSC 6810 and 7930); Water Softening Compounds (FSC 6810 and 7930).

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
221310 – Water Supply and Irrigation Systems
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
326122 – Plastics Pipe and Pipe Fitting Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
312112 – Bottled Water Manufacturing
237110 – Water and Sewer Line and Related Structures Construction

Description
Maintenance, Repair and Rebuilding of Equipment: Water Purification and Sewage Treatment Equipment

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
333310 – Commercial and Service Industry Machinery Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
811210 – Electronic and Precision Equipment Repair and Maintenance
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
561210 – Facilities Support Services
221320 – Sewage Treatment Facilities
562998 – All Other Miscellaneous Waste Management Services

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
237110 – Water and Sewer Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
237990 – Other Heavy and Civil Engineering Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
541330 – Engineering Services

Description
Other Utilities

Possible NAICS Codes
221320 – Sewage Treatment Facilities
517111 – Wired Telecommunications Carriers
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
221310 – Water Supply and Irrigation Systems
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
221122 – Electric Power Distribution
221210 – Natural Gas Distribution
562111 – Solid Waste Collection
221330 – Steam and Air-Conditioning Supply
517810 – All Other Telecommunications

Description
Water Quality Support Services

Includes
Includes: Industrial Investigation Surveys and Technical Support Related to Water Pollution

Possible NAICS Codes
541380 – Testing Laboratories and Services
541620 – Environmental Consulting Services
562211 – Hazardous Waste Treatment and Disposal
221310 – Water Supply and Irrigation Systems
562910 – Remediation Services
561210 – Facilities Support Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
541611 – Administrative Management and General Management Consulting Services
541330 – Engineering Services

Possible NAICS Codes
237110 – Water and Sewer Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
221310 – Water Supply and Irrigation Systems
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
237310 – Highway, Street, and Bridge Construction
237990 – Other Heavy and Civil Engineering Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
237110 – Water and Sewer Line and Related Structures Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
562991 – Septic Tank and Related Services
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
562998 – All Other Miscellaneous Waste Management Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
221320 – Sewage Treatment Facilities
562910 – Remediation Services

Description
Quality Control Services: Water Purification and Sewage Treatment Equipment

Possible NAICS Codes
541380 – Testing Laboratories and Services
221310 – Water Supply and Irrigation Systems
221320 – Sewage Treatment Facilities
541620 – Environmental Consulting Services
237110 – Water and Sewer Line and Related Structures Construction
541690 – Other Scientific and Technical Consulting Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333310 – Commercial and Service Industry Machinery Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
561210 – Facilities Support Services

Includes
Soft Drinks; Ice.

Possible NAICS Codes
311812 – Commercial Bakeries
312111 – Soft Drink Manufacturing
311999 – All Other Miscellaneous Food Manufacturing
311991 – Perishable Prepared Food Manufacturing
312112 – Bottled Water Manufacturing

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
561210 – Facilities Support Services
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
221320 – Sewage Treatment Facilities
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
562910 – Remediation Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
541690 – Other Scientific and Technical Consulting Services
541380 – Testing Laboratories and Services
237110 – Water and Sewer Line and Related Structures Construction

Description
Maintenance, Repair and Rebuilding of Equipment: Pumps and Compressors

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333912 – Air and Gas Compressor Manufacturing
561210 – Facilities Support Services
221310 – Water Supply and Irrigation Systems
811210 – Electronic and Precision Equipment Repair and Maintenance
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
541330 – Engineering Services

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

Possible NAICS Codes
541380 – Testing Laboratories and Services
221310 – Water Supply and Irrigation Systems
541620 – Environmental Consulting Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
424690 – Other Chemical and Allied Products Merchant Wholesalers
541690 – Other Scientific and Technical Consulting Services
237110 – Water and Sewer Line and Related Structures Construction
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
811210 – Electronic and Precision Equipment Repair and Maintenance

Description
Water Quality Studies

Possible NAICS Codes
541380 – Testing Laboratories and Services
541620 – Environmental Consulting Services
221310 – Water Supply and Irrigation Systems
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
611710 – Educational Support Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
541330 – Engineering Services

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
312112 – Bottled Water Manufacturing
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
562998 – All Other Miscellaneous Waste Management Services
541330 – Engineering Services
488390 – Other Support Activities for Water Transportation
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
423720 – Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers