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Projekt Bau-Contor AG 

Romanshorn · Since 2020

The core activity of Projekt Bau-Contor AG is the planning, realization and implementation of construction projects, particularly in the area of new buildings, conversions and repurposing of commercial and residential spaces, as well as the installation of photovoltaic systems. The company also offers services such as tender and contract control, execution control, cost control and defect management.

Provida Treuhand AG 

Romanshorn · Since 1986

Provida Treuhand AG provides fiduciary and advisory services including accounting, auditing, tax and legal advice. Its offerings include corporate consulting, payroll and personnel administration, due diligence engagements and cloud accounting solutions (Provida Cloud / AbaWeb).

RDP Pharma AG 

Romanshorn · Since 2023

RDP Pharma AG is a privately held biotech company focused on drug discovery and development of therapeutic and delivery technologies, notably the PromptDegrader™ platform for targeted degradation of intrinsically disordered region (IDR) proteins. Its pipeline includes an orally available HPV E7 degrader and additional projects such as CROMOC (drug delivery module) and CP201 (an oral alkyletherlipid candidate for cancer treatment).

RDP PROMPT AG 

Romanshorn · Since 2022

RDP PROMPT AG is a privately held biotech company developing therapeutics that identify and degrade intrinsically disordered region (IDR) proteins using the PromptDegrader™ protein modulation platform. Its projects include an E7 degrader targeting the HPV E7 oncoprotein, research on MYC, and other programs such as CROMOC and CP201.

Restaurant Schiff Inhaber Thomas Schwarz 

Romanshorn · Since 2003

The company operates a restaurant offering a wide range of food and beverages, including fish dishes, meat dishes, salads, soups, desserts, and wines. The core activity of the company is gastronomy, particularly the hospitality of guests in a restaurant with a focus on local and fresh products, such as Lake Constance fish and Swiss cheese.

Reto Martin Fotograf 

Romanshorn · Since 2020

The company's core activity is professional photography in various fields, including reportage, event, image, advertising, product, portrait, sports and automotive photography.

Revoc AG 

Romanshorn · Since 2009

The core activity of REVOC AG is the execution of general overhauls of Kellenberger grinding machines to restore them to their original condition. This also includes retrofit and revision services for these machines.

Rock Capital Handel GmbH 

Romanshorn · Since 2016

Roliag AG 

Romanshorn · Since 1981

Roliag AG provides comprehensive yacht services at the Brüggli Werft, including launching and hauling, engine servicing, overhauls, repairs and winter storage.

Romontec GmbH 

Romanshorn · Since 2007

Romontec GmbH provides engineering and execution services for plant construction, including planning (including 3-D planning), pipework, equipment installation and on-site supervision.

Rudolf Fürst 

Romanshorn · Since 2006

The core activity of the company "Fürst Boote" encompasses the boatyard, boat rental, boat driving school and boat tours, including harbour cruises. Thus, the company offers a wide range of services and products in the field of boat building, rental and operation.

SBW Haus des Lernens AG 

Romanshorn · Since 1988

SBW Haus des Lernens AG offers educational programmes from kindergarten through primary and secondary education to upper secondary (Matura) and vocational training. Its services include adaptable learning concepts, ICT services, continuing education and franchise/cooperation offerings.

SBW Services AG 

Romanshorn · Since 2000

SBW Services AG provides IT services to public and private schools, independent SBW Group subsidiaries and small and medium-sized enterprises. Services include ICT strategy consulting, procurement and installation of hardware and software, infrastructure operation and maintenance, system security, and user support.

Schaeffler Schweiz GmbH 

Romanshorn · Since 1962

The company's core activity is the development, manufacture and distribution of technical components and systems for various industries, particularly for the automotive, industrial and aerospace sectors. The company offers solutions for warehouse preparation, metal production and processing, raw material extraction and processing, as well as for the production of pulp and paper. It also develops and produces components for two-wheelers, such as bicycles, motorcycles and special vehicles. In addition, the company provides technical services, including training and consulting.

Schreinerei Kappeler GmbH 

Romanshorn · Since 2020

The core activity of Schreinerei Kappeler GmbH is the manufacture and distribution of wood products, particularly in the field of interior finishing, as well as the provision of carpentry services such as repairs, service and consulting for safety and burglary protection. Specifically, this includes the production and installation of floors, doors, ceilings and wall cladding, as well as the manufacture of furniture.

scuderia67 gmbh 

Romanshorn · Since 2019

The core activity of Scuderia67 GmbH is the restoration and repair of classic cars, including vintage and youngtimers. The company provides skilled craftsmanship and technical services to restore damaged vehicles in an authentic and value-enhancing manner.

Setum Ursula Müller 

Romanshorn · Since 2014

The core activity of Setum is the implementation of visual training and QiGong offers for private individuals, companies and associations.

Sidler Treuhand AG 

Romanshorn · Since 1991

The core activity of Sidler Treuhand AG is to provide comprehensive services in the following areas: * Consulting and support for companies and private individuals in business management matters * Accounting, including bookkeeping and financial and accounting services * Tax matters, including tax planning, tax returns and representation before authorities * Personnel administration, including payroll processing and personnel recruitment * Audits, including financial statement audits and reporting * Asset management, including real estate and asset management The company positions itself as a generalist and offers its customers a comprehensive range of services to meet their business management, tax and financial needs.

Sika Automotive AG 

Romanshorn · Since 1999

The core activity of Sika is the development, production and marketing of adhesives, sealants and damping materials for various industrial sectors, particularly the automotive industry. The company offers solutions in the areas of bonding, sealing and damping and has a global presence with locations in many countries.

SOM GROUPE AG 

Romanshorn · Since 2024

SOM GROUPE AG is a logistics and transport company offering general cargo, partial and full loads, as well as express and tailored transport solutions. Its services include warehousing (3000 m²), order picking, system logistics, automotive and international transport, and partnerships for Near East transport routes.