28291

Manufacture/repair of water/waste water treatment equipment

This sub-class includes the manufacture, repair and/or maintenance of water/wastewater treatment equipment and/or components.

SSIC hierarchy ISIC class Crosswalks

Level

final

Mapped ISIC codes

Source

SingStat

In this section: sibling codes

class 2829 Manufacture and Repair of Other Special Purpose Machinery final 28292 Manufacture/repair of plastic processing machinery final 28293 Manufacture/repair of additive manufacturing (AM) equipment final 28299 Manufacture/repair of other special purpose machinery n.e.c.

Official data

Official name	Singapore Standard Industrial Classification (SSIC 2025)
Issuing authority	Department of Statistics Singapore (SingStat / DOS)
Tax authority	Inland Revenue Authority of Singapore (IRAS) (IRAS)
Purpose	Mandatory at ACRA business/company registration; used by IRAS, MOM, EDB, SingStat
Active version	SSIC 2025 (15 Apr 2025)
Hierarchy level	Sub-class (5-digit) (final leaf)
Source	https://www.singstat.gov.sg/standards/standards-and-classifications/ssic
Prior versions	SSIC 2020, SSIC 2015

Hierarchy context

C→28→282→2829→28291 Manufacture/repair of water/waste water treatment equipment

Parent class

2829 Manufacture and Repair of Other Special Purpose Machinery

Parent division

28 MANUFACTURE OF MACHINERY AND EQUIPMENT

Parent section

C MANUFACTURING

Correspondence tables

SSIC 2020

28291 — Manufacture and repair of water/waste water treatment equipment

ISIC Rev. 5

2829 Manufacture of other special-purpose machinery
3312 Repair and maintenance of machinery

ISIC crosswalk

ISIC Rev. 5 class 2829 Manufacture of other special-purpose machinery Open ISIC class page with reverse SSIC links. ISIC Rev. 5 class 3312 Repair and maintenance of machinery Open ISIC class page with reverse SSIC links. Full table SSIC 2025 to ISIC Rev. 5 Open the full correspondence table.

Alphabetical index entries

Principal Title 28291 Manufacture/repair of water/waste water treatment equipment Alternative Title 28291 Wastewater treatment equipment manufacturing Alternative Title 28291 Wastewater treatment equipment repair and maintenance Alternative Title 28291 Water treatment equipment manufacturing Alternative Title 28291 Water treatment equipment repair and maintenance

Data source: Department of Statistics Singapore (SingStat / DOS) (https://www.singstat.gov.sg/standards/standards-and-classifications/ssic). Official SSIC 2025 classification workbook.

Last data refresh: 15 Apr 2025. Classification version: SSIC 2025.

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