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CSD Ingenieure AG 

Frauenfeld · Since 2004

CSD Ingenieure AG provides engineering services in the fields of environment, water, energy, infrastructure and buildings. Its offerings include geotechnics, water and wastewater planning, contaminated-site remediation, energy concepts, transport infrastructure and BIM services.

Dani Hofstetter Performance Nutrition 

Frauenfeld · Since 2020

The company's core activity is nutrition consulting and planning, particularly in the field of performance sports nutrition, with the goal of supporting people in improving their health and performance through a balanced diet.

Delcoy AG 

Frauenfeld · Since 2006

DeluxSailing GmbH 

Frauenfeld · Since 2016

The core activity of DeluxSailing GmbH is the organization of sailing holidays, catamaran skipper training and yacht owner coaching. The company also offers themed cruises and ship deliveries.

Dentatec AG für Zahntechnik 

Frauenfeld · Since 1982

The core activity of dentatec AG is the manufacture of individual and aesthetic dental restorations, including crowns, bridges, implant restorations, prosthetics, model casting, laser-sintered orthodontic products, snore guards, Michigan splints, sports mouthguards and teeth straightening. The company combines traditional craftsmanship with modern technologies such as CAD/CAM design, scanners, CNC milling and 3D printing.

Devoted AG 

Frauenfeld · Since 2023

Dial Engineering AG 

Frauenfeld · Since 1984

The core activity of Dial Engineering AG is the development and provision of solutions in the field of electronics and energy, particularly in the area of engineering services.

Diamondskin Inhaberin Vanessa Ambass 

Frauenfeld · Since 2019

The company Diamondskin is a cosmetics and skin care company specializing in the development and sale of high-quality skin care products. The company's core activity includes the manufacture and distribution of anti-aging products, facial care products, skin creams, serums and other cosmetic products aimed at caring for, regenerating and protecting the skin. In addition, the company also offers cosmetic treatments and services such as permanent make-up, nails and aesthetics.

Die Schreibmaschine Miriam Waldvogel 

Frauenfeld · Since 2018

The company's core activity is the creation, editing and correction of texts, particularly in the areas of text editing, proofreading and copy editing. The company offers services to shape, revise and improve texts in order to achieve the communication goals of its clients.

D&L Concepts AG 

Frauenfeld · Since 2011

D&L Concepts AG provides business and project consulting services with a focus on project management (including ERP implementations), process and business optimization, and HR strategy and personnel management. The company also supports performance measurement and reporting, tender processes (including WTO procedures), and interim management assignments.