About us

We are a family-owned company with tradition and a forward-looking vision

Perfection in metal processing for over 90 years

For over 90 years, we have been manufacturing customized solutions in Oberursel for industries with the highest demands—from medical technology to the automotive industry. As experts in special-purpose machine construction, 3D printing and prototyping, sheet metal processing, and mechanical engineering, we stand for modern manufacturing expertise, direct communication, and strong partnerships.

Our values in special-purpose machine construction and engineering

Our work is more than just technology—it is built on strong convictions.
We believe that real solutions emerge from the combination of expertise, experience, and openness.

Reliability and responsibility

We do what we say. We don’t just manufacture components—we build trust.

Customer focus

Whether mold making, CNC milling, or complex assembly production—we always think from the customer’s perspective.

Technical excellenz

From process monitoring in Industry 4.0 to CAM programming: we are passionate about precision—even in 5-axis machining.

Sustainability through durability

Our machines, fixtures, and manufacturing solutions are built to last—both economically and technically.

Our Mission

Our goal is to turn ideas into industrial-ready solutions—efficient, reliable, and customized. We support our customers from CAD modeling and 3D printing all the way to ready-to-install assemblies. By combining all competencies in-house, we ensure short paths, direct communication, and high flexibility.

We don’t just deliver custom solutions—we provide ready-to-use systems, whether for medical device housings, thermoforming tools for plastic pipes, or aluminum milled parts for high-vacuum applications.

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4. Generation

Thomas and Andreas Gernhard run the family business together in the fourth generation. What began as a locksmith’s workshop in 1927 is now a sought-after partner for industrial manufacturing solutions.

Both brothers combine traditional craftsmanship with a digital future. They have strategically repositioned the company, modernized processes, and significantly expanded the range of services—from components for mechanical engineering to parts for satellites.

Our Team

Our team combines decades of experience with modern engineering in special-purpose machine construction. Master craftsmen, technicians, engineers, CAD designers, and CNC specialists work hand in hand.

Whether CAM programmers, experts in tube bending technology, or rapid prototyping specialists—all share one goal: to create solutions that perform reliably in real-world applications.

We regularly train apprentices, promote continuous education, and develop talent—ensuring knowledge and a strong future.

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From a metal workshop to a technology partner

Founded by Johann Andreas Hein as a metal workshop in Oberursel-Oberstedten

Transferred to Fritz Gernhard, expansion of sheet metal processing

Walter Gernhard joins the company – expansion into mold making and CNC technology

Thomas & Andreas Gernhard take over management–focus on Industry 4.0

Awarded the Hessian Founder Award: category “Sustainable Succession”

Full-service provider for special-purpose machine construction, additive processes

1927

1950er

1980er

2010er

2019

Heute

Our work not only meets expectations—it consistently exceeds them, as demonstrated by:

Located in the heart of the Rhine-Main region

Our facilities are located in Oberursel, in the heart of the Rhine-Main region. Proximity to Frankfurt and excellent transport connections make us the ideal partner—both regionally and internationally.

All our manufacturing takes place exclusively in Germany—we stand for quality “Made in Oberursel.”

Let’s turn your ideas into reality.

Contact us

We look forward to discussing your requirements and developing the perfect solution together.

Trust begins with answers

Because we don’t deliver standard products, but tailor-made solutions. Our engineering for mechanical engineering begins where others stop—at individual requirements, high complexity, and tight timelines.

We combine the flexibility of a family-owned company with high-end technologies such as 5-axis machining, vacuum clamping technology, and hybrid manufacturing. Everything from a single source—from CAD engineering and CAM programming to ready-to-install assemblies.

We document our processes comprehensively—for example, through tube bending with measurement reports or traceable CAM programming. In addition, we are certified according to DIN EN ISO 9001:2015 and have extensive experience with high-vacuum applications.

From CAD design and CAM programming to CNC machining and assembly, everything is handled in-house. We coordinate closely with our customers—both digitally and in person.

Yes. We specialize in small series, custom one-off productions, and prototypes—from medical device housings and copper milled parts to contract CNC milling. Ideal for customers with dynamic requirements.

Our customized manufacturing solutions are primarily aimed at medical technology, automotive suppliers, the chemical industry, and plant and mechanical engineering. Whether medical device mounts, steam bending technology, or complete assembly solutions—we deliver quality that fits.