The ZELTWANGER group

Welcome to ZELTWANGER! Our group consists of eight companies that collaborate within a strong holding company structure. We apply our skills with passion to create top-tier products and services in the fields of mechanical engineering, leak testing, and thermal management.


Established
Mio. EUR
Turnover
Group 2023
>
Employees
worldwide
Tübingen
Head office
Holding
Holding-Struktur
Organizational structure

Companies
worldwide

North Charleston, SC, USA

ZELTWANGER CNC Manufacturing
ZELTWANGER Leak Testing & Automation

Tübingen, Germany

ZELTWANGER Holding
ZELTWANGER Maschinenbau
 

Dußlingen, Germany

ZELTWANGER Leaktesting & Automation
ZELTWANGER Thermomanagement

Kuřim, Tschechische Republik

ZELTWANGER AMT
ZELTWANGER Leaktesting s.r.o.

Nanjing, China

ZELTWANGER Leak Testing
Leak Testing Customer Service & Sales

Mission statement

Our values and goals motivate and inspire us to achieve peak performance every day.

Our mission

ZELTWANGER embodies advanced technologies and pioneering ideas that enable our customers to produce innovative, high-quality products.

Our vision

We are a technology and innovation leader in our fields, driven by our passion for technology, outstanding performance, and smart action. We use this strength to shape the world of manufacturing in a future-proof and efficient way. This benefits all stakeholders in our environment, both today and tomorrow.

Our values

ZELTWANGER was born out of the conviction that it is possible to combine human interaction and entrepreneurial action in an optimal way. Our values reflect this:

Passion

Passion is the basis of our success and drives innovation and technological excellence. At ZELTWANGER, people work with passion and joy.

Freedom

Freedom means that each individual can shape their own path that leads to the optimal result, based on qualifications, goal orientation and mutual trust.

Harmony

For us, harmony means respect, trust, openness, and honesty in our relationships, both internally and externally. As a company, we take social responsibility and only produce in harmony with people and the environment.

RESPONSIBILITY

How we act as a growing company has an impact on our fellow human beings and the environment. We take this responsibility seriously and make it the basis of our decisions.

THE ZELTWANGER COMPANIES

Eight companies, six locations, three countries: Get to know our companies.

  • ZELTWANGER MASCHINENBAU GMBH

    TÜBINGEN, EISENBAHNSTRASSE

    Contract manufacturing of high-precision, complex machine components, assemblies and systems.

  • ZELTWANGER HOLDING GMBH

    TÜBINGEN, JOPESTRASSE

    Services for the ZELTWANGER companies such as finance & controlling, HR, IT and marketing

  • ZELTWANGER LEAKTESTING & AUTOMATION GMBH

    DUSSLINGEN, MALTSCHACHSTRASSE

    Solutions for leak testing with air and detection gases and their automation

  • ZELTWANGER THERMOMANAGEMENT GMBH & CO. KG

    DUSSLINGEN, IM STEINIG

    Advanced assembly systems for heat exchangers.

  • ZELTWANGER CNC MANUFACTURING LP

    CHARLESTON, SC ,USA

    Contract manufacturing of high-precision components and the assembly of components and systems

  • ZELTWANGER LEAK TESTING & AUTOMATION LP

    CHARLESTON, SC ,USA

    Sales office for leak testing on the American market

  • ZELTWANGER AMT S.R.O.

    KUŘIM, TSCHECHIEN

    Full-service provider for manufacturing and assembly services

  • ZELTWANGER LEAKTESTING S.R.O.

    KUŘIM, TSCHECHIEN

    Czech sales office for ZELTWANGER leak testing

    Industries

    With our advanced solutions, we are the ideal partner in industries with the highest standards of progress, precision and quality. What our customers have in common: Like us, they are among the technology and innovation leaders in their fields.

    Pharma and Lifesciences

    Pharma and Lifesciences

    Automotive and electromobility

    Automotive and electromobility

    Packaging industry

    Packaging industry

    Battery manufacturing

    Battery manufacturing

    Medical technology

    Medical technology

    Semiconductor manufacturing

    Semiconductor manufacturing

    General manufacturing industry

    General manufacturing industry

    Optical industry

    Optical industry

    Food industry

    Food industry

    History

    ZELTWANGER: More than 40 years of passion for technology.

    • 2022

      ZELTWANGER Leaktesting & Automation GmbH

      The competence areas of leak testing and automation are merged to strategically focus on the field of leak testing and its automation.

    • 2022

      ZELTWANGER Thermomanagement GmbH & Co. KG

      ZELTWANGER Thermomanagement is established. The company specializes in manufacturing technology for heat exchangers, whose significance is greatly increasing due to electromobility.

    • 2021

      ZELTWANGER LEAKTESTING & AUTOMATION GMBH

      Together with VON ARDENNE and Weil Technology, ZELTWANGER establishes the German Fuel Cell Cooperation. Collaboratively, a coordinated solution for the efficient production of modern fuel cells is developed.

    • 2019

      ZELTWANGER LEAKTESTING & AUTOMATION GMBH

      Market launch of the ZEDcore. The modular measuring unit can be integrated into the new ZED family leak testers via plug-and-play. The advantages: high flexibility and reliability.

    • 2018

      ZELTWANGER Maschinenbau GmbH

      ZELTWANGER Maschinenbau moves into the new production and administration building on Eisenbahnstrasse in Tübingen, an important cornerstone for further growth.

    • 2016

      ZELTWANGER Leak Testing & Automation LP

      With the establishment of a sales office in Charleston, USA, ZELTWANGER positions itself in the field of leak testing on the American market.

    • 2012

      ZELTWANGER LEAKTESTING & AUTOMATION GMBH

      The first solution for leak testing of battery packs for electromobility is implemented.

    • 2009

      ZELTWANGER Maschinenbau GmbH

      In Dusslingen, the training and competence centre for the production and assembly of ZELTWANGER mechanical engineering is opened, which will later be relocated to Tübingen.

    • 2006

      ZELTWANGER Leaktesting & Automation GmbH

      Acquisition of the company Speemann EDV, from which ZELTWANGER Dichtheits- und Funktionsprüfsysteme GmbH, later Leaktesting & Automation, is formed.

    • 2006

      ZELTWANGER AMT s.r.o.

      ZELTWANGER AMT s.r.o., a specialist in manufacturing services in the fields of turning, milling, stainless steel welding and assembly, is inaugurated in Kuřim, Czech Republic.

    • 2003

      ZELTWANGER LEAKTESTING & AUTOMATION GMBH

      ZELTWANGER Automation GmbH is founded and develops advanced assembly and testing systems as well as robot and laser cells. Later, the expertise is integrated into the leak testing.

    • 2002

      ZELTWANGER CNC Manufacturing LP

      ZELTWANGER LP, later renamed ZELTWANGER CNC Manufacturing LP, is founded in Charleston, USA, offering machine components and assemblies of German quality for the American market.

    • 2001

      ZELTWANGER Holding GmbH

      ZELTWANGER Holding is founded in Tübingen and from now on, offers the companies of the group services such as finance & controlling, HR, IT and marketing

    • 1999

      ZELTWANGER Maschinenbau GmbH

      ZELTWANGER moves into the new company building in Jopestrasse in Tübingen.

    • 1996

      ZELTWANGER Maschinenbau GmbH

      ZELTWANGER participates in the first common rail assembly and testing line (Bosch).

    • 1982

      ZELTWANGER Maschinenbau GmbH

      Ulrich Zeltwanger founds ZELTWANGER Maschinenbauteile, later ZELTWANGER Maschinenbau GmbH, in Dusslingen.

      Certificates and awards

      ZELTWANGER is synonymous with reliability, precision and innovation. That is why we are constantly developing and meeting the highest demands.

      • ISO 9001:2015

        ZELTWANGER-Gruppe

        ZELTWANGER stands for quality and reliability. All our companies are certified in accordance with the ISO 9001:2015 quality management system.

      • DIN EN ISO/IEC 17025

        ZELTWANGER Leaktesting & Automation GmbH

        With our calibration laboratory, we are certified according to DIN EN ISO/IEC 17025, the globally recognized standard for laboratory accreditation in the field of testing and calibration.

      • BSFZ SEAL

        ZELTWANGER Leaktesting & Automation GmbH

        We have been awarded the BSFZ seal for projects in 2021 and 2022. This certifies funding through the research grant and requires particularly innovative solutions.