ISI Industrieprodukte GmbH
Three competencies
one common path
ISI Industrieprodukte GmbH | ISI Service GmbH |
ISI-Vertriebs GmbH
The ISI Group has been your partner for efficient solutions in industrial air pollution control for more than 50 years. As the leading manufacturer of industrial air filters in Germany, we are specialists in the development and production of high-quality air filter systems.
What distinguishes us
Personal contact
Personal, individual, competent, and professional advice, also on site
Sustainability and responsibility
Filter media can be easily replaced or cleaned
Operational environmental & health protect
Our filter devices capture pollutants at their point of origin
Personal contact
Personal, individual, competent, and professional advice, also on site
Sustainability and responsibility
Filter media can be easily replaced or cleaned
Operational environmental & health protect
Our filter devices capture pollutants at their point of originn
A strong team for strong products
Strong brands need consistency! We at ISI know this well, and therefore rely on long-standing and trusting cooperation within the team. We appreciate the development potential of every employee and promote their skills.
In this way, we achieve maximum creativity and create a working environment in which ideas can grow and innovations are generated. In order to be able to offer high-quality products and a comprehensive service, the ISI Group is made up of three fields of expertise: Service, Development & Production, and Sales.
Our many years of experience in the business enable us to develop customized solutions that are precisely adapted to our customers’ requirements. We use state-of-the-art technologies to continuously increase both the efficiency and quality of our products.
We rely on the utmost quality and state-of-the-art technology in the development of our air filter solutions. Our team of experts works continuously to create innovative products that meet the specific requirements of our customers.
This allows us to benefit from our extensive experience and constant analysis of new technologies and market trends. With customized solutions, we not only optimize air quality, but also contribute to increasing the efficiency of our customers’ operating processes.
Milestones in our history
1973
Foundation of the company ISI
1975
Development of in-house electrostatic filter devices
1984
Development of in-house mechanical filter devices
1990
Moving to the new company building in Buchholz / Mendt
2001
Expansion by a second production hall
2017
Foundation of ISI Service GmbH
2018
New plant II office and production facilities
2019
ISI-TRONIC Digitalization of all ISI air filter devices
ISI-Group – Your contact persons
At the ISI Group, we see ourselves as partners to our clients and place great importance on individual consultation to achieve top-notch results in the field of air purification.
Experience from over 70,000 air filter devices installed
The ISI Group develops, produces and markets industrial air filters for industrial air pollution control. The medium-sized, family-run company with headquarters in Buchholz in the Westerwald region of Germany has been one of the leading filter device manufacturers in Germany for over 50 years and has sold during this time over 70,000 air filter units. Clean air is our most important asset and industrial air pollution control plays a decisive role in this.
That is why we have been committed to protecting the environment and the health of your employees for over 50 years. We value sustainable and reliable solutions.
This is why we rely on innovative technologies that not only increase efficiency, but also contribute to environmentally friendly operation.
You can trust the ISI Group – your partner for a healthy and safe working environment.
Development and Production
ISI Industrieprodukte GmbH
All our air filter units are developed and produced to the highest quality standards at our headquarters in Buchholz in the Westerwald region of Germany. For 50 years, we have stood for innovative technology, customer satisfaction and sustainability.
Sales and Marketing
ISI-Vertriebs GmbH
Our employees at ISI-Vertriebs GmbH are at your service throughout Europe and can advise you on all matters relating to industrial air pollution control. Our sales concept always aims to present you with the optimum solution for your individual application.
Servcie
ISI Service GmbH
ISI Service bundles the entire manufacturer service and is responsible for the continuous maintenance, cleaning, repair and installation of the in-house air filtration systems as well as third-party equipment on request.
Development and Production
ISI Industrieprodukte GmbH
All our air filter units are developed and produced to the highest quality standards at our headquarters in Buchholz in the Westerwald region of Germany. For 50 years, we have stood for innovative technology, customer satisfaction and sustainability.
Sales and Marketing
ISI-Vertriebs GmbH
Our employees at ISI-Vertriebs GmbH are at your service throughout Europe and can advise you on all matters relating to industrial air pollution control. Our sales concept always aims to present you with the optimum solution for your individual application.
Service
ISI Service GmbH
ISI Service bundles the entire manufacturer service and is responsible for the continuous maintenance, cleaning, repair and installation of the in-house air filtration systems as well as third-party equipment on request.






The ISI device series COBARON, TEBARON and ELBARON®
COBARON
Mechanical air filter device for extracting emulsion mist.
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TEBARON
Mechanical air filter device for extracting emulsion mist.
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ELBARON®
Electrostatic air filter device for extracting oil, emulsion mist and smoke.
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ELBARON®
Electrostatic air duct filter system without fan for ventilation systems.
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