Technical Consulting & Engineering in
Diepoldsau

21 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 21 companies in Diepoldsau

PML Ingenieurbüro AG Logo

PML Ingenieurbüro AG

Since 1987 · 1–10 empl.

The core activity of PML Ingenieurbüro AG is in the field of noise protection, acoustics and environment. Specifically, the company offers services such as noise assessments, noise remediation projects, building acoustics, room acoustics and sound insulation in high-rise construction. The company also supports the public sector in evaluating building applications and noise law assessments.

Technical Consulting & EngineeringNoise protectionBuilding acoustics / sound insulation in building constructionRoom acoustics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
Bilfit Technik AG Logo

Bilfit Technik AG

Since 2009 · 1–10 empl.

Bilfit Technik AG provides specialist services in leak detection, thermography and water-damage remediation, including drying and disinfection. The company also performs water-loss analyses, pipe disinfection and pressure testing, flat-roof and pool leak detection, and prepares damage assessments and remediation coordination for insurers, property managers, municipalities and private clients.

Technical Consulting & EngineeringLeak detectionDryingDisinfection and odour neutralisation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
ElsBau GmbH Logo

ElsBau GmbH

Since 2011 · 1–10 empl.

The core activity of ELSBau GmbH is the planning, consulting, monitoring and renovation of windows, facades and building envelopes. This also includes specialized services such as energy calculations, specialist construction management, inspections and acceptance on the construction site. In addition, the company develops and distributes special products such as the "King-Wing" for cleaning large wing windows.

Technical Consulting & EngineeringConsulting and specialist site supervision for windows, façades and the building envelopeQuality assurance and construction inspectionsRenovation concepts for windows and the building envelope
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
SIH - Schweizer Ingenieurbüro Huber AG Logo

SIH - Schweizer Ingenieurbüro Huber AG

Since 2018 · 1–10 empl.

SIH - Schweizer Ingenieurbüro Huber AG is an engineering firm specializing in fire protection and security technology, providing consultancy, fire-protection concepts and plans, quality assurance, risk management, BIM-based planning and construction site safety services.

Technical Consulting & EngineeringFire protection consultingCost-effective fire protection conceptsFire protection plans
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Projektlicht GmbH Logo

Projektlicht GmbH

Since 2022 · 1–10 empl.

The core activity of Projektlicht GmbH is the planning, design and implementation of interior and exterior lighting for various rooms and applications, including the provision of lighting technology and solutions from leading manufacturers.

Technical Consulting & EngineeringLighting planningLighting solutionsSales and advice
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #5
Flowex GmbH Logo

Flowex GmbH

Since 2021 · 1–10 empl.5.0(2)

The core activity of FLOWEX GmbH is the planning, consulting, implementation and optimization of energy and supply systems, particularly in the areas of heating, cooling, air conditioning and energy supply. This includes the development of energy concepts, the planning and realization of plants such as combined heat and power plants, heat recovery and energy recovery, as well as the renovation and optimization of existing plants. Additionally, the company offers training and consulting services in the areas of heating technology, hydraulics, refrigeration and energy consulting.

Technical Consulting & EngineeringEnergy centres: Heating and coolingProcess cooling / heat recoveryDistrict heating networks / BHKW
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #6
A bis Z Planung AG Logo

A bis Z Planung AG

Since 1991 · 1–10 empl.3.0(1)

A bis Z Planung AG provides planning services. The website lists the company name, contact details and location, but does not provide further information about specific services or business activities.

Technical Consulting & EngineeringPlanning
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #7
HV-Fitube Kilic Logo

HV-Fitube Kilic

Since 2026 · 1–10 empl.

HV-Fitube Kilic is a Swiss company focused on energy consulting, trading, and engineering support. It assists energy projects with strategic advisory services, procurement, and access to markets across multiple regions.

Technical Consulting & EngineeringEnergy ConsultingTrading and Procurement of Energy Products and EquipmentEngineering Support
ranQ Trust Score 3.3 out of 5.0, rated Basic, Rank #8
IBW Engineering Weder Logo

IBW Engineering Weder

Since 1990 · 1–10 empl.

The core activity of IBW Engineering Weder is the provision of engineering services in the fields of electrical engineering, energy economics, electronics, project management and planning, particularly in the context of network and energy economics.

Technical Consulting & EngineeringEngineering Office for Electrical EngineeringGrid and Energy Business
No score yet
wega & sunergy gmbh Logo

wega & sunergy gmbh

Since 2006 · 11–20 empl.

wega & sunergy gmbh provides project development, engineering, strategic consulting and project implementation for wind and photovoltaic projects, with services including site potential analyses, wind measurements (mast and LIDAR), yield assessments, permitting support, environmental impact studies and operation of solar partnership installations.

Technical Consulting & EngineeringWind energy project development and consultingWind measurements and yield calculationsExpert reports for wind power plants
No score yet
waldoekologiekuster gmbh Logo

waldoekologiekuster gmbh

Since 2009 · 1–10 empl.

waldoekologiekuster gmbh operates in forestry and ecology, carrying out planning and construction-management work and implementing these projects. The company also offers courses and training and collaborates with specialist planners, contractors or forestry firms on larger assignments.

Technical Consulting & EngineeringPlanning and advisory services for forestry and ecologyExecution of forestry and ecology workTraining and continuing education for forestry and ecology
No score yet
Tecoplan GmbH Logo

Tecoplan GmbH

Since 2014 · 1–10 empl.

Tecoplan GmbH provides planning and consulting services for construction projects, with a focus on façade, glass, metal and steel construction. Services include execution planning, tender and estimate preparation, production of drawings (views, plans, sections), material lists, assembly plans and expert reports.

Technical Consulting & EngineeringPlanningDetailed designConsulting
No score yet

Technical Consulting & Engineering in Diepoldsau

21Technical Consulting & EngineeringCommercial register (Zefix) · as of October 11, 2026
2011Median year of registrationCommercial register (Zefix) · as of October 11, 2026
1,021in the Canton of St. GallenCommercial register (Zefix) · as of October 11, 2026
16,234in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Technical Consulting & Engineering in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026