SSICSub-class
SSIC 37000—Operation of sewer systems
Sub-class · Singapore Standard Industrial Classification (2025)
Where 37000 sits
- E Water supply; sewerage, waste management and remediation activities
- 37 Sewerage
- 370 Sewerage
- 3700 Sewerage
- 37000 Operation of sewer systems
What 37000 includes
- Operation of sewer systems and/or sewer treatment facilities
- Treatment of wastewater (e.g., human and/or industrial wastewater, water from swimming pools) by means of physical, chemical and/or biological processes like dilution, screening, filtering, sedimentation, etc.
- Maintenance and/or cleaning of sewers and/or drains, including sewer rodding
- Operation of wastewater treatment facilities, for the reuse of e.g., agricultural, industrial, road cleaning or collected rain water, or for artificial recharge or augmentation of groundwater bodies
- Freeze drying of sewage sludge by wastewater treatment plants
- Emptying and/or cleaning of cesspools and/or septic tanks, sinks and/or pits from sewage
- Servicing of chemical toilets
What 37000 excludes
- Collection, purification and distribution of water, see 36000
- Further treatment of sludge extracted from wastewater, such as anaerobic digestion, aerobic treatment like composting, incineration with or without energy recovery, see 38200
- Construction or repair of sewer systems, see 42301
- Rental and pumping of portable toilets, see 77399
37000 in other systems
ANZSICAustralia · New Zealand
- 2812 Sewerage and Drainage Services approximate via ISIC 3700
- 2921 Waste Treatment and Disposal Services approximate via ISIC 3700
- 2919 Other Waste Collection Services approximate via ISIC 3700
- 281 Water supply, sewerage and drainage services broader via ISIC 370
- 292 Waste treatment, disposal and remediation services broader via ISIC 370
- 291 Waste collection services broader via ISIC 370
ATECOItaly
- 37.00.00 Sewerage approximate via ISIC 3700
- 37.0 Sewerage broader via ISIC 370
- 37.00 Sewerage broader via ISIC 3700
- 37.00.0 Sewerage broader via ISIC 3700
CNAE BrazilBrazil
- 3701-1/00 Wastewater network management inferred via ISIC 3700
- 3702-9/00 Activities related to sewage, except for network management inferred via ISIC 3700
- E Water, sewage, waste management activities and decontamination broader via ISIC 3700
- 37 Sewage and related activities broader via ISIC 370
- 37.0 Sewage and related activities broader via ISIC 3700
- 37.01-1 Wastewater network management broader via ISIC 370
- 37.02-9 Activities related to sewage, except for network management broader via ISIC 370
CNAESpain
- 37.00 Collection and treatment of wastewater contained via ISIC 3700
- 37.0 Collection and treatment of wastewater broader via ISIC 370
HSICHong Kong
- 370000 Sewerage approximate via ISIC 3700
- 3700 Sewerage broader via ISIC 3700
- 370 Sewerage broader via ISIC 370
ICNEAChina
- 4620 Sewage treatment and its recycling contained via ISIC 3700
- 462 Sewage treatment and its recycling broader via ISIC 370
ISICUnited Nations (global)
- 3700 Sewerage contained
- 370 Sewerage broader
JSICJapan
- 3632 Sewer maintenance approximate via ISIC 3700
- 3631 Sewerage treatment approximate via ISIC 3700
- 8811 Night soil collection transportation business approximate via ISIC 3700
- 8812 Night soil processing business approximate via ISIC 3700
- 8813 Treatment tank cleaning approximate via ISIC 3700
- 8814 Treatment tank maintenance approximate via ISIC 3700
- 363 Sewerage broader via ISIC 370
- 881 Domestic waste disposal business broader via ISIC 370
KSICSouth Korea
- 37011 Sewage treatment services approximate via ISIC 3700
- 37012 Wastewater treatment services approximate via ISIC 3700
- 37021 Human waste treatment services approximate via ISIC 3700
- 37022 Animal waste treatment services approximate via ISIC 3700
- 370 Sewage, wastewater, human and animal waste treatment services broader via ISIC 370
- 3701 Sewage, wastewater treatment services broader via ISIC 3700
- 3702 Human and animal waste treatment services broader via ISIC 3700
MSICMalaysia
- 37000 Sewerage and similar activities approximate via ISIC 3700
- 370 Sewerage broader via ISIC 370
- 3700 Sewerage broader via ISIC 3700
NACEEuropean Union
- 37.00 Sewerage contained via ISIC 3700
- 37.0 Sewerage broader via ISIC 370
NAFFrance
- 37.00Y Collection and treatment of waste water approximate via ISIC 3700
- 37.0 Collection and treatment of waste water broader via ISIC 370
- 37.00 Collection and treatment of waste water broader via ISIC 3700
NAICSUnited States
- 221320 Sewage Treatment Facilities approximate via ISIC 3700
- 562998 All Other Miscellaneous Waste Management Services approximate via ISIC 3700
- 562991 Septic Tank and Related Services approximate via ISIC 3700
- 562219 Other Nonhazardous Waste Treatment and Disposal approximate via ISIC 3700
- 22131 Water Supply and Irrigation Systems inferred via ISIC 3700
- 56291 Remediation Services inferred via ISIC 3700
- 22133 Steam and Air-Conditioning Supply inferred via ISIC 3700
- 56292 Materials Recovery Facilities inferred via ISIC 3700
NAICS CanadaCanada
- 221320 Sewage treatment facilities approximate via ISIC 3700
- 22131 Water supply and irrigation systems inferred via ISIC 3700
- 22133 Steam and air-conditioning supply inferred via ISIC 3700
- 562210 Waste treatment and disposal inferred via ISIC 370
- 2213 Water, sewage and other systems broader via ISIC 370
- 5622 Waste treatment and disposal broader via ISIC 370
- 22132 Sewage treatment facilities broader via ISIC 3700
- 56221 Waste treatment and disposal broader via ISIC 370
NICIndia
- 370099 Other operation of sewer systems or sewage treatment facilities n.e.c. approximate via ISIC 3700
- 370001 Operation and maintenance of sewer and drains approximate via ISIC 3700
- 370002 Operation and maintenance of other sewer systems (including sewer rodding, emptying and cleaning of cesspools, septic tanks, sinks, and pits from sewage, servicing of chemical toilets) approximate via ISIC 3700
- 370004 Treatment of waste water or sewer water by means of physical, chemical or biological processes approximate via ISIC 3700
- 370003 Collecting and transporting of sewage water approximate via ISIC 3700
- 3700 Sewerage broader via ISIC 3700
- 370 Sewerage broader via ISIC 370
NOGASwitzerland
- 370001 Sewer and drain cleaning approximate via ISIC 3700
- 370002 Sewage disposal approximate via ISIC 3700
- 370 Sewerage broader via ISIC 370
- 3700 Sewerage broader via ISIC 3700
PKDPoland
- 37.00.Z Sewage disposal and treatment approximate via ISIC 3700
- 37.0 Sewage disposal and treatment broader via ISIC 370
- 37.00 Sewage disposal and treatment broader via ISIC 3700
SCIANMexico
- 562998 Other waste management services by the private sector approximate via ISIC 3700
- 562912 Public sector remediation services inferred via ISIC 3700
- 562911 Remediation services by the private sector inferred via ISIC 370
- 562999 Other waste management services by the public sector inferred via ISIC 370
- 562921 Waste recovery by the private sector inferred via ISIC 370
- 562922 Waste recovery by the public sector inferred via ISIC 370
- 221311 Water collection, treatment and supply carried out by the private sector inferred via ISIC 3700
- 221312 Water collection, treatment and supply carried out by the public sector inferred via ISIC 370
SICUnited States (legacy)
- 4952 Sewerage Systems approximate via ISIC 3700
- 4953 Refuse Systems approximate via ISIC 3700
- 4959 Sanitary Services, NEC approximate via ISIC 3700
- 7359 Equipment Rental and Leasing, NEC approximate via ISIC 3700
- 7699 Repair Services, NEC approximate via ISIC 3700
- 495 Sanitary Services broader via ISIC 370
- 735 Miscellaneous Equipment Rental and Leasing broader via ISIC 370
- 769 Miscellaneous Repair Shops and Related Services broader via ISIC 370
SNISweden
- 37.000 Sewerage approximate via ISIC 3700
- 37.00 Sewerage broader via ISIC 3700
- 37.0 Sewerage broader via ISIC 370
UK SICUnited Kingdom
- 37.00 Sewerage contained via ISIC 3700
- 37.0 Sewerage broader via ISIC 370
WZGermany
- 37.00.1 Operation of sewer systems approximate via ISIC 3700
- 37.00.2 Operation of sewage treatment facilities approximate via ISIC 3700
- 37.0 Sewerage broader via ISIC 370
- 37.00 Sewerage broader via ISIC 3700
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