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The following Product Service Codes (PSCs) are commonly associated with NAICS 221310, Water Supply and Irrigation Systems
Utilities—Water
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
Water Purification Equipment
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
326122 – Plastics Pipe and Pipe Fitting Manufacturing
312112 – Bottled Water Manufacturing
Maint/Repair/Rebuild of Equipment—Water Purification and Sewage Treatment Equipment
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
333310 – Commercial and Service Industry Machinery Manufacturing
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
236220 – Commercial and Institutional Building Construction
Maintenance of Water Supply Facilities
Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
237110 – Water and Sewer Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561210 – Facilities Support Services
238990 – All Other Specialty Trade Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237990 – Other Heavy and Civil Engineering Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
541330 – Engineering Services
Utilities—Other
Description
Other Utilities
Possible NAICS Codes
221320 – Sewage Treatment Facilities
517111 – Wired Telecommunications Carriers
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
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
Natural Resources/Conservation—Water Quality Support
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
541611 – Administrative Management and General Management Consulting Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
562910 – Remediation Services
541330 – Engineering Services
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
Operation of Water Supply Facilities
Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
561210 – Facilities Support Services
221320 – Sewage Treatment Facilities
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
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
561990 – All Other Support Services
237110 – Water and Sewer Line and Related Structures Construction
211130 – Natural Gas Extraction
Repair or Alteration of Water Supply Facilities
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
562998 – All Other Miscellaneous Waste Management Services
Quality Control—Water Purification and Sewage Treatment Equipment
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
561210 – Facilities Support Services
541620 – Environmental Consulting Services
562998 – All Other Miscellaneous Waste Management Services
237110 – Water and Sewer Line and Related Structures Construction
Beverages, Nonalcoholic
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
Lease/Rental of Water Supply Facilities
Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
312112 – Bottled Water Manufacturing
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
326191 – Plastics Plumbing Fixture Manufacturing
Other QC/Test/Inspect—Water Purification and Sewage Treatment Equipment
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
541690 – Other Scientific and Technical Consulting Services
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
561210 – Facilities Support Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541990 – All Other Professional, Scientific, and Technical Services
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
Maint/Repair/Rebuild of Equipment—Pumps and Compressors
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
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
811210 – Electronic and Precision Equipment Repair and Maintenance
541330 – Engineering Services
336611 – Ship Building and Repairing
Special Studies/Analysis—Water Quality
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
611710 – Educational Support Services
541330 – Engineering Services
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
561210 – Facilities Support Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Maint/Repair/Rebuild of Equipment—Plumbing, Heating, and Waste Disposal Equipment
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