INREI – About the company

INREI GmbH was founded by my father, Erich Knippscheer, in 1967, which means that it’s now been in existence for over 50 years. Over this time, we have succeeded in establishing ourselves as a market leader in industrial cleaning, and thanks to our continuous pioneering work we have been able to meet the highest quality standards.

Whatever the circumstances were, we have managed to achieve great success, particularly in the field of turbine cleaning – the “premier league” of industrial cleaning.

Thanks to excellent cooperation with our customers, we have always been able to achieve outstanding cleaning results not only in Germany and Europe but also in crisis regions such as Iraq and Nigeria. None of that would have been possible without our colleagues receiving the appropriate training such as SCC and First Aid exams. In addition, our family business is also certified in accordance with DIN EN ISO 9001: 2015 and SCC* to ensure the highest quality and occupational safety standards at all times.