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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
237110 – Water and Sewer Line and Related Structures Construction
312112 – Bottled Water Manufacturing
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
334516 – Analytical Laboratory Instrument Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
312112 – Bottled Water 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
237110 – Water and Sewer Line and Related Structures Construction
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
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
562211 – Hazardous Waste Treatment and Disposal
Maintenance of Water Supply Facilities
Possible NAICS Codes
237110 – Water and Sewer Line and Related Structures Construction
221310 – Water Supply and Irrigation Systems
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
541330 – Engineering Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
Utilities—Other
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
221122 – Electric Power Distribution
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
562111 – Solid Waste Collection
221210 – Natural Gas Distribution
517122 – Agents for Wireless Telecommunications Services
517112 – Wireless Telecommunications Carriers (except Satellite)
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
541620 – Environmental Consulting Services
221310 – Water Supply and Irrigation Systems
562211 – Hazardous Waste Treatment and Disposal
562910 – Remediation Services
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
561210 – Facilities Support Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
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
561210 – Facilities Support Services
221310 – Water Supply and Irrigation Systems
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
237310 – Highway, Street, and Bridge Construction
238320 – Painting and Wall Covering Contractors
Maintenance of Waste Treatment and Storage Facilities
Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
237110 – Water and Sewer Line and Related Structures Construction
562998 – All Other Miscellaneous Waste Management Services
562211 – Hazardous Waste Treatment and Disposal
562991 – Septic Tank and Related Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
236220 – Commercial and Institutional Building Construction
562910 – Remediation Services
Quality Control—Water Purification and Sewage Treatment Equipment
Description
Quality Control Services: Water Purification and Sewage Treatment Equipment
Possible NAICS Codes
541380 – Testing Laboratories and Services
221310 – Water Supply and Irrigation Systems
541620 – Environmental Consulting Services
237110 – Water and Sewer Line and Related Structures Construction
333310 – Commercial and Service Industry Machinery Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
541513 – Computer Facilities Management Services
561210 – Facilities Support Services
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
541690 – Other Scientific and Technical Consulting Services
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
424410 – General Line Grocery Merchant Wholesalers
311511 – Fluid Milk Manufacturing
312113 – Ice Manufacturing
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
562910 – Remediation Services
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
237110 – Water and Sewer Line and Related Structures Construction
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
541380 – Testing Laboratories and Services
211130 – Natural Gas Extraction
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
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541690 – Other Scientific and Technical Consulting Services
541713 – Research and Development in Nanotechnology
924110 – Administration of Air and Water Resource and Solid Waste Management Programs
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
611710 – Educational Support Services
Equipment and Materials Testing—Water Purification and Sewage Treatment Equipment
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
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
541690 – Other Scientific and Technical Consulting Services
424690 – Other Chemical and Allied Products Merchant Wholesalers
561990 – All Other Support Services
Water Distillation Equipment, Marine and Industrial
Description
Water Distillation Equipment, Marine and Industrial.
Excludes
Laboratory Distillation Apparatus (FSC 6640).
Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
336611 – Ship Building and Repairing
221310 – Water Supply and Irrigation Systems
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
312140 – Distilleries
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
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
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
561210 – Facilities Support Services
333912 – Air and Gas Compressor Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
237110 – Water and Sewer Line and Related Structures Construction
221310 – Water Supply and Irrigation Systems
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors