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Seiler Immo-Wasseramt GmbH 

Derendingen · Since 2018

The core activity of Seiler Immo Wasseramt is real estate brokerage and management. Specifically, this includes: * Sale of real estate * Rental of real estate * Management of properties and condominium ownership (STWEG) * Valuation of real estate * Mortgage consulting * Support for renovations * Mediation of holiday apartments The company thus offers a comprehensive range of services in the field of real estate economics.

SEIM GmbH 

Derendingen · Since 2024

The core activity of SEIM GmbH encompasses the provision of services in the following areas: * Insulation technology (thermal, cold, sound and fire protection insulation) * Building maintenance (regular maintenance and upkeep of properties) * Painting and plastering (interior and exterior areas) The company thus offers comprehensive solutions for the maintenance and care of properties.

SPEEDMODELS GmbH 

Derendingen · Since 2007

The core activity of Speed models GmbH is the manufacture and distribution of materials and accessories for model building, particularly for aircraft, ships and other model types. The company offers a wide range of products, including wood and plastic profiles, balsa wood, strips, plates, adhesives, paints, varnishes and other accessories. Speed models GmbH supplies the specialist trade and supports model builders in realizing their projects.

Sphinx Werkzeuge AG 

Derendingen · Since 1994

The company specializes in the development, manufacture and distribution of precision tools for industry and medical technology. The core activities include in particular the production of drills, milling cutters, reamers and other precision tools, which are used for various applications such as drilling, grinding, milling and deburring. In addition, the company also offers production services and cleanroom production.

Stiftung ENTER 

Derendingen · Since 2010

Stiftung ENTER operates Enter Technikwelt, an interactive museum focused on analogue and digital technology that offers exhibitions, workshops, guided tours, events and a collection of historical devices.

Systime GmbH 

Derendingen · Since 2004

Systime GmbH develops and maintains the SYSPACK ERP software for OpenVMS systems. SYSPACK is a modular 3‑tier ERP with its own DBMS, a middle‑tier kernel and a character‑based frontend, and the company also provides IT projects, system integration and support services for Windows and macOS environments.

SYSTIME Immobilien AG 

Derendingen · Since 2015

Szelpal GmbH 

Derendingen · Since 2024

The company primarily focuses on design, health, and architecture. The core activities include: Visual Communication, Objects and Environment, Systems and Processes, Analysis and Consulting, Simulation and Co-Prototyping, Research and Teaching, Area Development and Urban Planning, Monument Preservation and Real Estate. The company also offers further education and services in these areas and operates a Living Lab for research and development.

Wasserversorgung Wasseramt AG 

Derendingen · Since 2021

Weiterbildungszentrum Emmenhof AG 

Derendingen · Since 2022

The company WBZ Emmenhof offers a wide range of courses and further education for physiotherapists, including manual therapy, cranio sacral therapy, ROLFING and other specialized therapies. It also provides accommodation and catering for participants. The core activity of the company is the organization and implementation of continuing education events for physiotherapists.