Water Supply in the
Canton of St. Gallen

9 companies in Water Supply based in the Canton of St. Gallen — name and year of registration from the commercial register. The list below shows them all.

Companies

All 9 companies in the Canton of St. Gallen

EVS AG

Since 1992

Gas energyBiogasWater / pipeline construction

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AQUALITY AG

Since 2016

Quality assurance for water supply systems (AQUAsupport)Cleaning and disinfection of reservoirs and pipelines (AQUAclean)Well regeneration and well rehabilitation (AQUAplus)

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Seitz Messtechnik AG

Since 2017

Measurement and control technology for water and wastewaterPlanning & consultingMeasurement campaigns

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Green Ocean Solutions AG

Since 2018

Wastewater treatmentTreatment of highly concentrated wastewaterAdvanced Oxidation (ORCAN®)

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Genossenschaft Wasserversorgung Rapperswil-Jona

Drinking, service and fire water supplyWater supply fees and connection chargesConstruction water

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Genossenschaft Trinkwasserversorgung Buchsteig

Since 1901

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Wasserversorgungsgenossenschaft Steinach

Since 1902

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Dorfkorporation Alterschwil Genossenschaft

Since 1935

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Wasserversorgung Oetwil Genossenschaft

Since 1953

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Water Supply in the Canton of St. Gallen

9Water SupplyCommercial register (Zefix) · as of August 26, 2026

1992Median year of registrationCommercial register (Zefix) · as of August 26, 2026

9in the Canton of St. GallenCommercial register (Zefix) · as of August 26, 2026

398in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

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Other industries in the Canton of St. Gallen

All companies in the Canton of St. Gallen

Restaurants1,119 Property Management1,021 Management Consulting964 Real Estate Project Development782 IT Consulting & Services778 Auto Repair Shops725 Fiduciary Offices701 Holding Companies672 Technical Consulting & Engineering627 Software Development564 Advertising Agencies554 Automotive & Vehicle Trade517 Architecture Firms496 Facility Management & Cleaning479 Real Estate Brokerage473 Online Shops449 Painting & Plastering444 Interior Construction436 Mechanical Engineering Industry433 Coaching & Personal Development432 Hair Salons430 Plumbing & Building Services418 Food Processing417 Electrical Planning & Installation354 Logistics & Transport Companies352 Timber Construction & Carpentry329 Metal Construction322 Horticulture & Landscaping321 Flooring & Tiling308 Textile & Clothing Industry294 Beauty Salons279 Retail - Textiles & Clothing269 General Contractors262 Repair of Machinery & Electronic Devices257 Joinery253 Building Maintenance247 Building Construction245 Recruitment & HR Consulting235 Solar & Photovoltaics229 Retail - Food & Luxury Items228 Other Service Industries225 Civil Engineering225 Continuing Education Institutes225 Retail - General Specialty Trade217 Sports & Recreation Instruction214 NGOs & NPOs213 Wholesale - Machinery & Technical Equipment211 Retail - Bicycles & Sports Equipment207

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Water Supply in theCanton of St. Gallen

All 9 companies in the Canton of St. Gallen

Water Supply in other places

Other industries in the Canton of St. Gallen

Water Supply in the
Canton of St. Gallen