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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryTechnical Consulting & Engineering

Technical Consulting & Engineering

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10'496 companies found

InerTec AG Logo

InerTec AG 

Grenchen · Since 1997

Technical Consulting & Engineering
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InerTec AG Logo

InerTec AG 

Zeiningen · Since 2014

InerTec AG is a manufacturer of cleanroom technology and engineering systems for personnel, product and environmental protection. Its product range includes gloveboxes and isolators, laminar flow units, corrosion‑free storage systems, hazardous‑substance storage and workstations, and emissions extraction, and it provides consulting, engineering, planning, realization and maintenance services.

Technical Consulting & Engineering
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InerTec Services AG Logo

InerTec Services AG 

Basel · Since 2015

The core activity of InerTec Services AG is the planning, realization, qualification, and maintenance of cleanrooms in various industries, including pharmaceuticals, chemistry, biotechnology, food industry, medical technology, optics, mechanical and precision engineering, as well as electronics and micro- and precision mechanics. The company offers comprehensive services, including planning and engineering, installation and commissioning, qualification and requalification, measurements and metrology, as well as maintenance and repair of cleanrooms and ventilation systems.

Technical Consulting & Engineering
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INES Energieplanung GmbH Logo

INES Energieplanung GmbH 

Bern · Since 2012

The core activity of INES Energieplanung GmbH is the provision of services in the field of energy and heating consulting, particularly for private property owners, the public sector, the real estate industry, and architects. The services include, among others: replacement of heating systems with renewable energies, district heating projects, succession solutions, heat contracting, energy and heating consulting, project development and project support, as well as general planning mandates. The company supports its customers in planning, implementing, and operating efficient and sustainable energy and heating solutions.

Technical Consulting & EngineeringSustainability Sector
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inesco AG Logo

inesco AG 

Solothurn · Since 2010

inesco AG develops and supplies sodium-ion battery energy storage systems, offering modular storage solutions for residential, commercial, industrial and agricultural applications. Products include sodistore home, sodistore pro and retrofit exchange kits; systems are assembled in cooperation with partners.

Technical Consulting & EngineeringEnergy Industry
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Inexis Sàrl Logo

Inexis Sàrl 

Paudex · Since 2014

The company INEXIS offers consulting and engineering services in the field of safety and fire protection. The core activity of the company includes the development of concepts for safety and fire protection, including risk analysis, creation of fire protection technology solutions, and audit implementation. The services are offered to various industries such as industry, trade, construction and the public sector.

Technical Consulting & Engineering
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iNFLOW swissengineering AG Logo

iNFLOW swissengineering AG 

Beckenried · Since 2004

iNFLOW swissengineering AG provides systems and services for generating and applying electrically conductive air (Leitfähige Luft®) in industrial, cleanroom, healthcare and building-technology environments. Offerings include process optimization, measurement technology, commercial products such as recirculation units, air-cleaning systems, antistatic brushes and conductive grease, plus maintenance and service.

Technical Consulting & Engineering
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InfraBlow.Siegrist GmbH Logo

InfraBlow.Siegrist GmbH 

Ittigen · Since 2016

The core activity of Infrablow.Siegrist GmbH is the provision of services in the field of building physics and energy certification, particularly: Consulting and planning in the areas of thermal insulation, sound insulation and energy efficiency; Conducting energy audits and creating energy certificates (e.g. Minergie, GEAK, GEAK Plus); Infrared thermography for analyzing heat losses and visualizing thermal bridges; Blower-door tests to check the airtightness of buildings; Building damage analysis and consulting. The company thus offers a comprehensive range of services to improve building energy efficiency and safety.

Technical Consulting & Engineering
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InfraCasa Services AG Logo

InfraCasa Services AG 

Endingen · Since 2021

The core activity of Infracasa Services AG is the provision of electrical services.

Technical Consulting & EngineeringElectrical Planning & Installation
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InfraDigital AG Logo

InfraDigital AG 

Landquart · Since 2020

The core activity of InfraDigital AG is to support and advise customers in the field of digital construction, particularly in the application of Building Information Modeling (BIM). The services include the creation and management of BIM models, the implementation of coordination and basic models, the digitization and automation of processes in the construction process, as well as the creation of 3D models and visualizations.

Technical Consulting & Engineering
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infraMT GmbH Logo

infraMT GmbH 

Aarberg · Since 2017

The core activity of infraMT is the mechanical inspection and measurement of infrastructures, vehicles, machines and buildings. The company offers services such as consulting, creation of measurement concepts, execution of measurements, evaluation and creation of reports.

Technical Consulting & EngineeringTesting & Inspection Centers
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INFRAS AG Logo

INFRAS AG 

Zurich · Since 1992

INFRAS AG provides research and consulting on sustainable development and develops practical, evidence-based solutions for societal, economic and ecological issues. Services include strategies, economic analyses, evaluations and impact analyses, data and models, concepts and instruments, communication, and project management.

Technical Consulting & Engineering
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INFRAS AG Logo

INFRAS AG 

Bern · Since 1996

INFRAS AG is a research and consulting organisation focused on sustainable development, offering strategies, economic analyses, evaluations, and data and modelling services. Its service portfolio also includes concepts and instruments, project management and moderation, and communication support for public and private clients.

Technical Consulting & Engineering
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InfraTrace GmbH Logo

InfraTrace GmbH 

Kiesen · Since 1996

InfraTrace GmbH provides cloud-based GIS solutions for municipal infrastructure asset management and supports related projects. The company develops CO2-reducing construction material formulations for asphalt and concrete using biomass-derived carbon, works on carbon-based filtration concepts for water and wastewater, and offers trainings, workshops and project support.

Research & DevelopmentTechnical Consulting & EngineeringSoftware Development
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Infra Tunnel SA Logo

Infra Tunnel SA 

Marin-Epagnier · Since 1988

Infra Tunnel SA is a construction company that builds and rehabilitates underground structures such as tunnels, galleries and caverns. The company also provides specialized civil-engineering works (retaining, pre-support, complex concreting), geotechnical surveys and rope-access work for difficult-to-reach sites.

Technical Consulting & Engineering
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Infra Tunnel SA, succursale de Lausanne Logo

Infra Tunnel SA, succursale de Lausanne 

Lausanne · Since 2021

Infra Tunnel SA, succursale de Lausanne is a company that constructs and rehabilitates underground structures and provides specialized civil engineering services. It also carries out geotechnical surveys and performs works at height in difficult-to-access environments.

Technical Consulting & Engineering
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Ing. A. Maurer SA Logo

Ing. A. Maurer SA 

Ittigen · Since 1996

Ing. A. Maurer S.A. is an engineering and plant construction company specializing in the development and supply of plants and technologies for the chemical and textile industries. The company's core activities include planning, design and delivery of plants for the production of viscose fibers, lyocell fibers, modal fibers, chemical plants and pharmaceutical plants. In addition, the company also offers services such as engineering, laboratory and pilot plant development, as well as after-sales service.

Technical Consulting & Engineering
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ingBP Ingenieurgesellschaft für Bauschadensanalytik und Bauphysik mbH Logo

ingBP Ingenieurgesellschaft für Bauschadensanalytik und Bauphysik mbH 

Kiesen · Since 2012

The company ingBP primarily deals with construction damage analysis, renovation and restoration, as well as building physics services such as moisture protection, thermal insulation, energy consulting, sound protection and vibration. It also provides expert opinions and construction consulting, as well as quality assurance during the planning and execution phases.

Technical Consulting & Engineering
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ing.-büro riesen AG Logo

ing.-büro riesen AG 

Bern · Since 2009

ing.-büro riesen AG is an engineering firm providing planning services for sanitary systems, hospital media, sprinkler systems, building services and specialist coordination. The company designs water and medical-gas supply systems for hospitals and laboratories and applies Building Information Modelling (BIM) in its planning work.

Technical Consulting & Engineering
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Ingecom Industry SA Logo

Ingecom Industry SA 

Vevey · Since 2016

The core activity of INGECOM Industry SA is the development and provision of intelligent monitoring solutions (Smart-Monitoring) for various industries and application areas, including: plant and asset monitoring (Asset Monitoring), monitoring of renewable and fossil energies, security monitoring in private and military areas, monitoring of infrastructure such as tunnels, mines and public transport, and detection of leaks and other anomalies. INGECOM offers specific solutions such as PSS (Perimeter Security System), POB (Pipeline Observation and Monitoring System) and Viso 4 to support customers in various industries.

Technical Consulting & Engineering
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.
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