Regionally connected
company with a pioneering spirit
The development of innovative solutions for innovative electronics and the responsible use of resources have always been part of our everyday work. This is how our interdisciplinary teams of experts can help your company move towards a better future.
Together for a better tomorrow
INRO Elektrotechnik offers a wide range of services for professional electronics solutions. Short decision-making processes allow us to fulfil requests quickly. With experience, expertise and commitment, we offer the best possible service and innovative product developments.
What drives us
We are INRO: With 150 employees at one location, we stand for medium-sized companies that make a difference. Flexibility and speed characterise us and give us the opportunity to find new solutions, expand the state of the art and develop power electronics for a better tomorrow. We want to actively shape the future: For our planet, our customers and our employees. For a better tomorrow.
Our vision
We set standards with our developments and products and create a more sustainable world through our technology.
Our mission
We drive forward intelligent, safe, high-quality and innovative future technology.
INRO in figures
First projects on behalf of INRO Industrierohstoffe GmbH. Start as a student start-up for small order developments in the field of system devices and industrial trucks.
INRO Elektrotechnik GmbH is founded in Aschaffenburg. INRO Elektrotechnik GmbH is founded as an EMS service provider with seven employees.
Moving into the new building. The new offices in Stockstadt am Main are occupied on the current site.
Takeover of BLS GmbH. With the takeover of the supplier BLS GmbH, INRO increases its workforce and expands its expertise in adding value to the products it offers.
Expansion of the premises. Between 1999 and 2011, the production capacities and office space are constantly expanded to accommodate the growth.
For a better tomorrow. The new claim reflects what we are doing today: We develop innovative solutions for the requirements of tomorrow.
The existing management team has been complemented by Simon Stumpf since February 2025 and by Andreas Böttler since March 2025.
The INRO corporate structure
As sister companies, INRO Elektrotechnik GmbH and INRO ETMS GmbH work hand in hand on future technology in the field of drive technology.
While INRO Elektrotechnik is responsible for development and sales, INRO ETMS is responsible for administration, logistics and manufacturing.
Our management
Simon Stumpf and Andreas Böttler joined the management of INRO Elektrotechnik and INRO ETMS at the beginning of March 2025, strengthening the existing management team led by owners Barbara and Michael Ries. Together, they form the four-member management team - with even more experience, expertise and innovative strength.
Our quality standards
We place the highest value on reliability and quality, both in the service sector and in production. With our interdisciplinary teams, we achieve the best possible results for our customers. In-house developed series test benches such as functional testers and load test benches are an integral part of our quality assurance.
Thanks to defined requirements and change management and many years of experience, we stand for consistent quality.
This is about more than just fulfilling requirements: As a German system partner for small and medium-sized businesses, we stand for trust and reliability and live up to this self-image in all areas and processes at INRO Elektrotechnik. Our development processes are characterised by expert knowledge and flexibility as tools for finding innovative solutions. In order to be able to deliver quality in every single piece, we rely on database-supported, 100 % control of all assemblies.
" For us, quality is more than just fulfilling requirements: it is our self-image as your partner for successful development and production projects."
Our network
Exchanging ideas with like-minded people is important in order to develop further and recognise developments and trends at an early stage.
Thanks to our active work in committees and associations, we are well networked and not only work with standards, but also play an active role in shaping standardisation.
VDE - Association for Electrical, Electronic & Information Technologies
CiA - CAN in Automation
IEEE - Institute of Electrical and Electronics Engineers
FED - Fachverband Elektronikdesign
EtherCAT Technology Group
We stand for innovation
We have already been honoured twice with the Top 100 Innovation Award! We are very proud to be among the top innovators of medium-sized companies in Germany in 2023 and 2024.
We would particularly like to thank the entire INRO team, without whom this success would not have been possible. Because for us, innovation is still team spirit!
