About Us

About Us

IEG Technologie GmbH is a company specialized in providing high-quality turn-key solutions for soil and groundwater remediation using primarily innovative in-situ technologies.

For more information about us, please visit our video here.

The philosophy behind IEG's environmentally-conscious technologies aligns precisely with the modern sustainability requirements.

IEG's technology specializes in groundwater remediation with low energy consumption, minimal and minimal visual impact. We save water, treat contamination in-situ, minimize waste generation, maintain a small footprint, and employ eco-friendly installations.

More information about our technologies, references and Clients here.

Meet our Team

Dr. Eduard Alesi


Melanie Esslinger


Ester Alesi


Marcel Alesi

Senior Project Manager

Gert Rehner

Senior Geologist

Ernst Bartsch

Area Manager Italy

André Alesi

Marketing & Finance

Niloufar Falakbaz

Project Manager, Biotechnology

Jürgen Grathwohl


Simone Eisele

Assistant to the Management

„Water protection is the path to a sustainable future.“

Dr. Eduard J. Alesi
 IEG Technology

IEG Technologie GmbH was developed by Dr. E.J. Alesi and Industrial Engineering GmbH. Since 1985 IEG has been a pioneer in the research & development, as well as the manufacturing of Groundwater Circulation Well (IEG-GCW®) technology and other technologies for the treatment of groundwater, irrigation, infiltration, amendments for microbiological remediation. 

As an independent, internationally working company IEG Tech has been developing and deploying proprietary processes & technologies for the best part of 50 years now. 

Our Clients

Our cooperations