Essen, Germany
Your Partner in Plant Engineering and Construction.
The VDH | GROUP is your partner in plant engineering Together we ensure a successful project completion worldwide in the areas of environmental technology, process and plant engineering or electrical, measurement, control and regulation technology. We use our know-how to develop individual and tailor-made solutions for your plant and to continue to define the best available technology (BAT).
All under one roof
Environmental Technology
We are your partner and solution provider in the field of flue gas denitrification for large combustion systems.
Process and Plant Engineering
We advise, plan and build storage, filling and transshipment systems in all materials and production systems for liquid media and gases in all areas of application.
Environmental Technologies
We provide support in the areas of engineering, commissioning and service, based in Ostrava, Czech Republic.
Innovative Flue Gas Cleaning Systems
DrySoTec is your specialist for innovative, ecologically and economically optimized state-of-the-art flue gas cleaning.
Electrical, Measurement, Control and Regulation Technology
We set up electrical, measurement, control and regulation systems in industry, in energy generation and energy distribution. Our tasks include the planning and construction of partial and complete systems.
Why us?
Our companies cover a large part of the areas in plant construction. Our many years of experience, our high quality standards and our short communication channels enable us to generate synergy effects that guarantee competent, economical and secure project handling.
Everything from a single source / synergy effects
Whether environmental technology, process and plant engineering or electrical, measurement, control and regulation technology - all We combine these areas under one roof. This saves us and our customers time and ensures effective processing and a high quality standard.
Best training for the highest quality
Our products and services are built on the solid foundation of well-trained specialists. Our combination of different qualifications at a high level gives our customers the opportunity to use us as general contractors for new buildings and conversions or as a full service provider for maintenance.
Experience
Together we have more than 80 years of experience in plant engineering. We know the problems of the industry and also the solutions.
Made in Germany
All of our products are made in Germany. Our HKL Anlagentechnik GmbH is a certified production facility that guarantees quality in-house production.
Partnership
As a customer-oriented company, we think and act in partnership, openly and honestly. Our high level of performance in the diverse specialist areas is based on an efficient structure with short routes, unbureaucratic decisions and a pronounced cost awareness.
Parents
We define the state of the art and are constantly developing. With our patented process for flue gas denitrification, we can overcome even the most difficult boiler conditions. Our motto: "Doesn't work, doesn't exist!"
Our references speak for themselves
We are active worldwide and have implemented over 500 projects together. We are happy to send you our extensive reference lists from the respective company.
Certificates / Qualifications
We attach great importance to quality and occupational safety. All of our companies are ISO 9001 and SCC certified. In addition, our companies have numerous other qualifications, such as ISO 3834-2, specialist company according to WHG, A1, etc.
The VDH | GROUP comprises all companies of the von der Heide family, in the picture from left: Timo, Bernd and Daniel von der Heide.
Bernd von der Heide and his two sons Daniel and Timo von der Heide are responsible for the management of M&S Umwelttechnik, M&S Environmental Technologies and HKL Anlagentechnik. As a family, you jointly hold 100% of the company's shares. Bernd von der Heide and his two sons Daniel and Timo von der Heide are responsible for the management of M&S Umwelttechnik, M&S Environmental Technologies and HKL Anlagentechnik. As a family, you jointly hold 100% of the company's shares.
In 2018 the company M&S Umwelttechnik acquired a stake in the company vysion-aset and holds 40% of the company shares.
In 2022, M&S Umwelttechnik acquired 76% of the shares in DrySoTec GmbH. Bernd, Daniel, and Timo von der Heide are also part of the management team at DrySoTec.

Company History
Essen, Germany
Ostrava, Czech Republic
Essen, Germany
Essen, Germany
Cottbus, Germany
Essen, Germany
Company Structure
We are not just looking for employees
We are looking for co-thinkers, co-creaters, co-responsibles for a co-operating with each other in our company. Make your career with us. Are you in? We look forward to your application, also on your own initiative.
M&S Umwelttechnik GmbH
Mehldau & Steinfath Umwelttechnik is your partner and solution provider in the field of flue gas denitrification for large combustion systems.
SHOW JOB OFFERSHKL Anlagentechnik GmbH
HKL Anlagentechnik takes on the consultation, planning and production of storage, filling and handling systems in all materials and production systems for liquid media and gases in all areas of application.
SHOW JOB OFFERSDrySoTec GmbH
DrySoTec GmbH is your partner for innovative flue gas cleaning systems, optimized both ecologically and economically, in line with the latest state-of-the-art technology.
SHOW JOB OFFERSvysion-aset GmbH
vysion-aset builds electrical, measurement, control and regulation systems in industry, energy generation and energy distribution. Vysion-aset's tasks include the planning and construction of partial and complete systems.
SHOW JOB OFFERSDo you have any questions?
Contact
VDH | GROUP
Alfredstrasse 279
D-45133 Essen
Phone: +49 (0) 201/4 37 83 - 0
Fax: +49 (0) 201/4 37 83 - 33
Email center: zentrale@vdh-group.de
Based in the Ruhr region – connected to the world.
Successfully and competently managing engineering services and projects worldwide requires the ability and willingness of a company to “think outside the box.” Whether in China, Poland, or Hawaii – we are wherever we are needed. We rely on a strong international network that enables us to operate successfully on a global scale.