Technical Consulting & Engineering in
Diepoldsau
15 companies in Technical Consulting & Engineering based in Diepoldsau — name and year of registration from the commercial register. The list below shows them all.
Companies
All 15 companies in Diepoldsau
PML Ingenieurbüro AG
Since 1987
Noise protectionBuilding acoustics / sound insulation in building constructionRoom acoustics
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IBW Engineering Weder
Since 1990
Engineering Office for Electrical EngineeringGrid and Energy Business
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A bis Z Planung AG
Since 1991
Planning
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wega & sunergy gmbh
Since 2006
Wind energy project development and consultingWind measurements and yield calculationsExpert reports for wind power plants
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waldoekologiekuster gmbh
Since 2009
Planning and advisory services for forestry and ecologyExecution of forestry and ecology workTraining and continuing education for forestry and ecology
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ElsBau GmbH
Since 2011
Consulting and specialist site supervision for windows, façades and the building envelopeQuality assurance and construction inspectionsRenovation concepts for windows and the building envelope
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Tecoplan GmbH
Since 2014
PlanningDetailed designConsulting
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Tecoplan Hutter GmbH
Since 2018
PlanningDetailed designConsulting
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SIH - Schweizer Ingenieurbüro Huber AG
Since 2018
Fire protection consultingCost-effective fire protection conceptsFire protection plans
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Flowex GmbH
Since 2021
Energy centres: Heating and coolingProcess cooling / heat recoveryDistrict heating networks / BHKW
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Projektlicht GmbH
Since 2022
Lighting planningLighting solutionsSales and advice
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HLHBB Lackiertechnik GmbH
Since 1998
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Technical Consulting & Engineering in Diepoldsau
15Technical Consulting & EngineeringCommercial register (Zefix) · as of August 26, 2026
2011Median year of registrationCommercial register (Zefix) · as of August 26, 2026
627in the Canton of St. GallenCommercial register (Zefix) · as of August 26, 2026
10,435in SwitzerlandCommercial register (Zefix) · as of August 26, 2026
Locations
Technical Consulting & Engineering in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of August 26, 2026
Industry axis
Technical Consulting & Engineering across SwitzerlandTechnical Consulting & Engineering in other places
St. Gallen102Jona32Wil SG28Gossau SG21Altstätten SG18Buchs SG17Rapperswil SG17Flawil14Widnau11Sargans11Rorschach10Goldach10St. Margrethen SG9Bad Ragaz9Uznach9Rorschacherberg8Zuzwil SG8Au SG7Heerbrugg7Mels7Wittenbach7Oberuzwil7Mörschwil6Engelburg6Flums6Abtwil SG6Degersheim6Oberbüren6Ebnat-Kappel6Bronschhofen6Rebstein5Thal5Oberriet SG5Niederuzwil5Eschenbach SG5
By canton
Canton of Zurich1,694Canton of Bern951Canton of Vaud905Canton of Aargau848Canton of Ticino722Canton of St. Gallen627Canton of Geneva525Canton of Lucerne499Canton of Zug471Canton of Valais405Canton of Fribourg356Canton of Thurgau328Canton of Basel-Country318Canton of Grisons308Canton of Solothurn238Canton of Schwyz236Canton of Neuchâtel180Canton of Schaffhausen101Canton of Appenzell Outer Rhodes96Canton of Nidwalden91Canton of Jura81Canton of Obwalden56Canton of Glarus52Canton of Uri32Canton of Appenzell Inner Rhodes22
Place axis
All companies in DiepoldsauOther industries in Diepoldsau
Holding Companies20Logistics & Transport Companies16Management Consulting15Mechanical Engineering Industry12IT Consulting & Services12Property Management12Painting & Plastering11Facility Management & Cleaning11Fiduciary Offices10Advertising Agencies10Restaurants10Architecture Firms9Interior Construction9Textile & Clothing Industry9Online Shops9Auto Repair Shops8Real Estate Project Development7Automotive & Vehicle Trade7Wholesale - Textiles & Clothing7Electrical Planning & Installation6Flooring & Tiling6Specialized Construction Installations6Glass, Ceramics, Stone & Construction Materials Industry6Plastics Industry6Software Development6Real Estate Brokerage6Wholesale - General Specialty Trade6Building Construction5Civil Engineering Firms5Plumbing & Building Services5Beauty Salons5Medical Technology Industry5