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Köppel-Vogel AG 

Widnau · Since 1966

Köppel-Vogel Grundbau AG 

Widnau · Since 2010

M. Fröhle GmbH 

Widnau · Since 2022

M. Fröhle GmbH provides metalworking, CNC machining and surface‑treatment services. The company manufactures components for mechanical engineering, shopfitting and the automotive sector, handling single items as well as small and medium series, and offers powder coating and wet‑paint finishing among its services.

NOVENTA TOOLING AG 

Widnau · Since 2002

The core activity of Noventa Tooling AG is the production of tools and mechanical processing of workpieces for various industries, including the automotive, medical, consumer goods and industrial sectors. The company offers comprehensive services, from tool design to tool manufacturing, mechanical processing and completion of assemblies and product systems.

Opcos AG 

Widnau · Since 2018

The core activity of OPCOS AG is the development, manufacture and testing of optical coatings and components, including anti-reflective coatings, mirrors, beam splitters, filters, absorbers and neutral density filters. The company also offers services such as layer development, sampling, series production, testing of optical properties and environmental resistance, as well as consulting.

OPENLY AG 

Widnau · Since 2008

OPENLY AG develops and supplies a serial, prefabricated building system for new construction and refurbishment that uses renewable and circular materials (e.g. hempcrete, clay, biochar concrete), standardized components and minimal building services to achieve low embodied and operational CO2 (about 6 kg CO2/m²). OPENLY AG provides project development and full‑service delivery for private and institutional investors, a franchise and training program, and acts as C‑Sink Manager to certify and commercialize CO2 sinks in buildings.

Pharmapool AG 

Widnau · Since 1997

The core activity of Pharmapool AG is the supply and support of medical practices with medicines, consumables (MiGel), laboratory articles and equipment. This also includes services such as direct shipping, Medi-Update, ordering and consulting.

Schöne Häuser GmbH 

Widnau · Since 2003

The core activity of Schoenehaeuser is project development, realization of new buildings, real estate sales and real estate marketing, particularly in the development and implementation of real estate projects in close collaboration with architects and builders.

TB-Electronics GmbH 

Widnau · Since 2001

The company TB-ELECTRONICS develops and distributes electronic devices, particularly frequency devices, which can be used for experimental and research purposes. These devices can provide signals based on the theories of Hulda R. Clark and Royal R. Rife, but no medical applications or healing effects are claimed. The products are sold through an online shop and no medical or scientific claims are made about the effectiveness of the devices.

TBM Automation AG 

Widnau · Since 1989

TBM Automation AG is a service provider and supplier of products in the field of industrial automation. The core activities include: Engineering and electrical planning, software development, manufacturing of control cabinets, cable assembly, drive technology, robotics and beam technology, retrofit and modernization of existing systems, and automation solutions for industry. The company offers solution-oriented services and products to support the success of its customers.