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Walter Bollag & Co. AG 

Frauenfeld · Since 1957

The core activity of Walter Bollag & Co AG is the management and rental of its own properties, in particular residential and commercial buildings, office and practice spaces in Frauenfeld.

Wasatech GmbH 

Frauenfeld · Since 2006

The core activity of WASAtech GmbH is the sale, trade and manufacture of LED light products, particularly also consulting on LED lighting solutions and the production of LED ALU profile lights.

wattss AG 

Frauenfeld · Since 2024

wattss AG designs, plans and installs modular battery storage systems and energy management solutions for commercial and industrial customers. Its portfolio includes Pixii‑based systems and product platforms such as PowerShaper and PowerBase, complemented by services from feasibility studies and financing to commissioning and after‑sales support. Common applications include peak shaving, PV+storage, backup power, EV charging and load management.

well come Fit AG 

Frauenfeld · Since 1993

well come Fit AG operates a network of fitness clubs offering gym facilities, group fitness classes and training programmes. Services include HYROX preparation, group classes (e.g. BODYPUMP, yoga, Zumba), wellness areas (sauna, steam bath), nutrition support and memberships with an 11‑day free trial; some services are recognised by health insurers.

well come Fit Holding GmbH 

Frauenfeld · Since 2017

well come Fit Holding GmbH operates a network of fitness clubs offering memberships, group fitness classes, strength and cardio equipment, and specialized formats such as HYROX training. The website also lists services for sauna and spa facilities and nutritional support.

WeLytics GmbH 

Frauenfeld · Since 2017

The company's core activity is the consulting and development of software solutions in the field of artificial intelligence, particularly machine learning and deep learning, for small and medium-sized enterprises (SMEs).

Wheel-Brothers GmbH 

Frauenfeld · Since 2023

Wheel-Brothers GmbH provides vehicle and camper rentals, offering simple camper conversions and a selection of vehicles for everyday rental needs.

Wick AG 

Frauenfeld · Since 1983

The core activity of Wick AG is the production of high-quality meat and meat products, particularly of Swiss origin, under strict quality and hygiene standards. The company focuses on the production of poultry and beef specialties, emphasizing regional sourcing, transparency, and freshness.

Widmer Malerbetrieb GmbH 

Frauenfeld · Since 2002

The core activity of Widmer Malerbetrieb GmbH is the provision of painting services in both interior and exterior areas.

WK-Technik Werner Krähenmann 

Frauenfeld · Since 2000

The core activity of WK-Technik is the planning and installation of products, in particular SolarStreetBin and other products from the Finncont Luowia Collection. The company provides expert support from planning to installation.