Mannstaedt GmbH

Mannstaedt GmbH Header

Leading the way in sustainable hot-rolled special profiles

Founded in 1825
Location: Troisdorf, North Rhine-Westphalia

Mannstaedt GmbH is the world’s leading manufacturer of hot-rolled special steel profiles. Our customized profiles are used in a wide variety of areas, such as intralogistics, the mobility sector and the construction industry. In terms of sustainability, we use green steel as a raw material, so that our products have a comparatively low CO2 footprint.

Special profiles

We are one of the world's leading manufacturers of hot-rolled special steel profiles. Our products are manufactured to order and further processed ...

Our passion:
Innovative solutions made from green steel

Precision in every profile

Mannstaedt’s hot-rolled special profiles stand for precision and quality. In our machining center, we design the necessary rollers according to the specifications that you define individually with us. Our profiles, with their precise dimensional accuracy and optimally matched mechanical properties, will meet your highest demands.

Your partner for customized solutions

From material properties to specific requirements for straightness, surface quality and length, we meet your needs.

Commitment beyond steel

Taking responsibility for others is an attitude that has a significant influence on our actions and thinking. Protecting the environment and climate as well as our employees and society are key benchmarks for us. Here we set standards that go beyond norms.

Your contacts
at Mannstaedt GmbH

Thomas Leven
Plant Director Mannstaedt GmbH | Managing Director
Sebastian Ahrens
Sebastian Ahrens
Commercial Director Mannstaedt GmbH | Managing Director
GMH Gruppe Kontaktbild Ingo Offersmann
Ingo Offermanns
Sales Director Profiles
GMH Gruppe Kontaktbild Patrick Wolff
Patrick Wolff
HR Mannstaedt GmbH
GMH Gruppe Kontaktbild Monika Hansen
Monika Hansen
Communications Mannstaedt GmbH

How to find us

Mannstaedt GmbH
Mendener Straße 51
53840 Troisdorf

Plan your route

Mannstaedt GmbH

Mannstaedt GmbH
Mendener Straße 51
D-53840 Troisdorf

Tel.: +49 (0) 2241 84-0
Fax: +49 (0) 2241 84-2735

Commercial register:
Amtsgericht Siegburg HRB 3082

Sales tax identification number:

Thomas Leven
Sebastian Ahrens

Team spirit is our key to success | GMH Careerre | GreenSteelPioneers

With green power ahead

We are pioneers in green steel – and we have big plans for the future. Join us! Together we are paving the way for a better world.

Shape a sustainable future with us

We are not only forging green steel, but also a green future.

Georgsmarienhuette Stahlproduktion Elektrolichtbogenofen

As a visionary company, we not only set standards in steel production, but also in personnel management. We rely on the power of diversity and create a working environment that is characterized by openness, respect and appreciation. Our corporate culture is based on success and performance, entrepreneurship and GMH team spirit. Our employees enjoy a wide range of benefits – from 30 days of vacation to accident insurance.

Our advantages for your …


Financial stability is an important part of life. That’s why we offer a wide range of benefits to help you achieve your financial goals.


Your health is important to us. That’s why we give you access to a comprehensive range of benefits for supporting your health and improving your wellbeing.

Work-life balance

We know how important it is to balance your work with your private life. We want you to be able to make the most of your time to achieve both your professional and personal goals.

Work environment and career development

Professional and personal development should be fun! We offer a whole range of benefits to help you fulfil your potential with us.


In the office, and especially in production, the health and safety of our employees is our top priority. So we invest in all kinds of mechanisms to keep you safe and protected in the workplace.

Come because you’ve come to the right place. Stay because you’ll never get bored with us.

 | GMH Karriere | GreenSteelPioneers

Would you like to apprentice with us, like Janina and Kira?

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Would you like a great start to your career, like Chantal and Ahmed?

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Looking for a job with genuine prospects, like Christina and Sven?