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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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2'332 companies found

TeWaTec GmbH Logo

TeWaTec GmbH 

Frauenfeld · Since 2021

The core activity of TEWATEC GmbH is the provision of services in the field of building technology and comprehensive renovations, particularly in the areas of heating, plumbing, ventilation, cooling, renovation and new construction. The company acts as a general contractor, bringing together specialists from various industries to offer comprehensive solutions for the planning, execution and maintenance of construction projects.

General Contractors
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Thalmann Mechanik AG Logo

Thalmann Mechanik AG 

Frauenfeld · Since 1991

The core activity of Thalmann Mechanik AG is the provision of contract manufacturing and assembly services in the field of classical mechanical engineering. This includes in particular: CNC milling, CNC turning, assembly technology, welding, keyway broaching and surface treatment. The company also offers consulting and prototype manufacturing as well as the production and processing of small series.

Mechanical Engineering Industry
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Thomas J.C. und Angelika Matzen Stiftung Logo

Thomas J.C. und Angelika Matzen Stiftung 

Frauenfeld · Since 2008

Thomas J.C. und Angelika Matzen Stiftung supports projects in the fields of art, culture, education and victim protection. It provides financial assistance to universities, institutions and individual talents, supports preservation and expansion of art collections and funds measures to improve victim protection and prevention, notably in cases of sexual abuse of children and adolescents.

Cultural & Educational Organizations
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Thurarom KLG Logo

Thurarom KLG 

Frauenfeld · Since 2021

Thurarom is dedicated to the production and processing of agricultural niche products, wild fruits and rare varieties, particularly from Eastern Switzerland. The core activity consists of manufacturing fine foods such as chips, dried products, beverages and other specialties, created through gentle processes and regional partner companies.

Food Processing
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Thurgauische Stiftung Frauenfelderhaus Wildhaus Logo

Thurgauische Stiftung Frauenfelderhaus Wildhaus 

Frauenfeld · Since 2016

The company provides accommodations and infrastructure for groups, particularly school classes, clubs and other groups, in a house in Wildhaus, Switzerland. The core activity consists of renting and operating holiday and camp houses.

Accommodation Facilities
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thurtal-reisen gmbh Logo

thurtal-reisen gmbh 

Frauenfeld · Since 2003

The core activity of thurtal reisen GmbH is the organization and implementation of trips, in particular bus and car trips, as well as experience holidays and wellness trips, for both groups and individual travelers, with a focus on Europe and specifically on the Salzkammergut region.

Travel Agencies
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tl architektur GmbH Logo

tl architektur GmbH 

Frauenfeld · Since 2022

The core activity of tl architektur GmbH SIA is the provision of architectural services, in particular the planning and design of buildings and living spaces.

Architecture Firms
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TOMOTOS GmbH Logo

TOMOTOS GmbH 

Frauenfeld · Since 1997

The core activity of Tomotos GmbH is the sale and representation of Harley-Davidson motorcycles and products in Switzerland.

Automotive & Vehicle Trade
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töngi immotreuhand gmbh Logo

töngi immotreuhand gmbh 

Frauenfeld · Since 2024

töngi immotreuhand gmbh provides real estate services including property management, valuation, and marketing and brokerage. The firm focuses on valuation and management of properties in the Thurgau region and neighbouring cantons and also offers individual consultancy and services related to elderly housing.

Property Management
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Torus GmbH Logo

Torus GmbH 

Frauenfeld · Since 2016

The core activity of Torus GmbH is the planning, installation, assembly, maintenance and servicing of ventilation and air conditioning systems for residential and commercial buildings.

Specialized Construction Installations
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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.