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Solo-Products GmbH 

Sirnach · Since 2016

The company specializes in product development, sourcing of suitable products and manufacturers, as well as product management, particularly in the areas of outdoor sports and water sports. It offers services such as project and brand management, procurement, quality assurance, and product organization to support customers in the development and procurement of products.

Spitex Regio Tannzapfenland 

Sirnach · Since 2019

The company's core activity is the provision of care and support services, particularly in the areas of household management and social care, psychiatric care, medical transportation, and meal delivery. The company offers individualized, tailored care and assistance in the home, with the goal of enabling independent living at home and reducing or avoiding hospital and nursing home stays.

Spritzwerk R. Mosberger GmbH 

Sirnach · Since 2004

The core activity of the company 'Spritzwerk R. Mosberger GmbH' is the execution of high-quality spray painting and coating work, particularly for vehicles such as cars, trucks, motorhomes, classic cars and tractors, as well as for other objects like furniture, shutters and industrial parts.

sta Personalverleih GmbH 

Sirnach · Since 2008

sta Personalverleih GmbH supplies welders and temporary skilled personnel for welding operations. Services include internal hand-skill testing of welders and support for quality assurance, welding supervision and project-related work.

sta Schweisstechnische Ausbildung GmbH 

Sirnach · Since 2025

sta Schweisstechnische Ausbildung GmbH provides practical welding training (e.g. MIG/MAG, WIG, manual electrode) and conducts personnel and procedure certifications according to relevant standards.

Steidle AG 

Sirnach · Since 2007

The company's core activity is the planning, production and marketing of concrete garages and related services, including the construction of single garages, double garages, row garages, carports, roof extensions and other technical building solutions in the field of garage and roof construction.

sumali - Urs Sommerhalder 

Sirnach · Since 2004

sumali - Urs Sommerhalder develops software focused on GIS applications as well as desktop and web applications. Projects are mainly implemented in C# using the .NET framework for Windows, and some components are released as open source.

Tel Net Com AG 

Sirnach · Since 1998

Tel Net Com AG provides telecommunications and ICT services, including VoIP/phone systems, structured cabling and network installations, security (alarm and video) and multimedia and electrical installations. The company offers consulting, planning, installation and support and is identified on its website as a Swisscom partner.

Touma Treuhand & Immobilien 

Sirnach · Since 2015

The core activity of TOUMA Treuhand & Immobilien encompasses three main areas: 1. **Trust Services**: Accounting, tax services, and business consulting for small and medium-sized enterprises, including corporate accounting and consulting for start-ups, as well as tax returns for private individuals. 2. **Real Estate**: Independent real estate consulting, where the personal needs of clients are matched with the possibilities of the real estate market. 3. **Insurance**: Consulting and offering health insurance, life insurance, and property insurance to cover everyday risks.

UhrTeil AG 

Sirnach · Since 2007

The core activity of UhrTeil AG is the manufacture and construction of mechanical watch movements, micromechanical components and watches, including contract manufacturing and assembly, watch construction, prototype construction, production solutions and automation, reverse engineering and spare parts as well as engraving.