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
488390 – Other Support Activities for Water Transportation
237110 – Water and Sewer Line and Related Structures Construction
221210 – Natural Gas Distribution
924110 – Administration of Air and Water Resource and Solid Waste Management Programs

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
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing

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
237110 – Water and Sewer Line and Related Structures Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
811210 – Electronic and Precision Equipment Repair and Maintenance
333310 – Commercial and Service Industry Machinery Manufacturing
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
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
237990 – Other Heavy and Civil Engineering Construction
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing

Description
Other Utilities

Possible NAICS Codes
221320 – Sewage Treatment Facilities
517111 – Wired Telecommunications Carriers
221310 – Water Supply and Irrigation Systems
221122 – Electric Power Distribution
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
221210 – Natural Gas Distribution
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
561210 – Facilities Support Services
562111 – Solid Waste Collection
221112 – Fossil Fuel Electric Power Generation

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
561210 – Facilities Support Services
221320 – Sewage Treatment Facilities
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
211130 – Natural Gas Extraction
237110 – Water and Sewer Line and Related Structures Construction
561990 – All Other Support Services

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
562211 – Hazardous Waste Treatment and Disposal
541620 – Environmental Consulting Services
221310 – Water Supply and Irrigation Systems
561210 – Facilities Support Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
541611 – Administrative Management and General Management Consulting Services
562910 – Remediation Services
541330 – Engineering Services
541690 – Other Scientific and Technical Consulting Services

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

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

Description
Quality Control Services: Water Purification and Sewage Treatment Equipment

Possible NAICS Codes
221320 – Sewage Treatment Facilities
541380 – Testing Laboratories and Services
221310 – Water Supply and Irrigation Systems
541690 – Other Scientific and Technical Consulting Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
325620 – Toilet Preparation Manufacturing
541620 – Environmental Consulting Services
561210 – Facilities Support Services
562998 – All Other Miscellaneous Waste Management Services

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
312112 – Bottled Water Manufacturing
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
326191 – Plastics Plumbing Fixture Manufacturing
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
561210 – Facilities Support Services
924110 – Administration of Air and Water Resource and Solid Waste Management Programs

Description
Other Quality Control, Testing and Inspection Services: Water Purification and Sewage Treatment Equipment

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
541380 – Testing Laboratories and Services
541620 – Environmental Consulting Services
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
541690 – Other Scientific and Technical Consulting Services
561210 – Facilities Support Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
562998 – All Other Miscellaneous Waste Management Services
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities

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
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
561210 – Facilities Support Services
611710 – Educational Support Services
541330 – Engineering Services

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
237110 – Water and Sewer Line and Related Structures Construction
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
541330 – Engineering Services
336611 – Ship Building and Repairing

Description
Maintenance, Repair and Rebuilding of Equipment: Plumbing, Heating, and Waste Disposal Equipment

Possible NAICS Codes
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561210 – Facilities Support Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
334290 – Other Communications Equipment Manufacturing
561790 – Other Services to Buildings and Dwellings
562998 – All Other Miscellaneous Waste Management Services