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

View profile5(1)

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)

View profile

Seitz Messtechnik AG

Since 2017

Measurement and control technology for water and wastewaterPlanning & consultingMeasurement campaigns

View profile

Green Ocean Solutions AG

Since 2018

Wastewater treatmentTreatment of highly concentrated wastewaterAdvanced Oxidation (ORCAN®)

View profile

Genossenschaft Wasserversorgung Rapperswil-Jona

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

View profile

Genossenschaft Trinkwasserversorgung Buchsteig

Since 1901

View profile

Wasserversorgungsgenossenschaft Steinach

Since 1902

View profile

Dorfkorporation Alterschwil Genossenschaft

Since 1935

View profile

Wasserversorgung Oetwil Genossenschaft

Since 1953

View profile

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

399in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Place axis

Other industries in the Canton of St. Gallen

All companies in the Canton of St. Gallen

Restaurants1,120 Property Management1,024 Management Consulting966 Real Estate Project Development785 IT Consulting & Services780 Auto Repair Shops726 Fiduciary Offices701 Holding Companies672 Technical Consulting & Engineering628 Software Development568 Advertising Agencies555 Automotive & Vehicle Trade518 Architecture Firms498 Facility Management & Cleaning480 Real Estate Brokerage473 Online Shops450 Painting & Plastering444 Interior Construction436 Mechanical Engineering Industry433 Coaching & Personal Development432 Hair Salons430 Plumbing & Building Services419 Food Processing417 Electrical Planning & Installation354 Logistics & Transport Companies352 Timber Construction & Carpentry330 Metal Construction324 Horticulture & Landscaping321 Flooring & Tiling308 Textile & Clothing Industry294 Beauty Salons279 Retail - Textiles & Clothing269 General Contractors262 Repair of Machinery & Electronic Devices257 Joinery254 Building Maintenance247 Building Construction245 Recruitment & HR Consulting234 Solar & Photovoltaics229 Retail - Food & Luxury Items228 Other Service Industries227 Continuing Education Institutes226 Civil Engineering225 Retail - General Specialty Trade217 Sports & Recreation Instruction214 NGOs & NPOs213 Wholesale - Machinery & Technical Equipment212 Retail - Bicycles & Sports Equipment207

Show all

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