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.

We pride ourselves in our ability create value for our customers in a cost-effective, time saving and sustainable way providing tools to manage or eliminate liabilities and risk.

The philosophy behind IEG's low-impact technologies fits exactly with the low environmental impact ethos of modern "sustainability requirements" and IEG's technology specializes in low energy, low noise and minimum visual impact.  We save water, treat contamination in-situ, minimize waste generation, with small foot print and low impact installations.

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

„The future of our planet is clean water.“

Dr. Eduard J. Alesi
 IEG Technology

IEG Technologie GmbH was founded by Dr. E.J. Alesi and Industrial Engineering GmbH. Since 1985 IEG has been pioneering the research & development, and 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