| AVEA | D, Leverkusen | Consulting on the DI-plants |
| Bayer Pharma AG | D, Berlin | Consulting on the DI-plants |
| Bayernoil Raffineriegesellschaft mbH | D, Vohburg | Analyses and optimization of the DI-plants |
| Bayernoil Raffineriegesellschaft mbH | D, Neustadt | Analyses and optimization of the DI-plants |
| Bayernoil Raffineriegesellschaft mbH | D, Vohburg | Study on the future water supply in Vohburg |
| BiA Kunstoff- und Galvanotechnik | D, Solingen | Consulting on the IEX-waste water treatment |
| Biacchessi GmbH & Co KG | D, Solingen | Consulting on the IEX-rinse water recirculation |
| Bitburger Brauereigruppe GmbH | D, Bitburg | Analyses and optimization of the DI-plants |
| BK Giulini GmbH | D, Ladenburg | Analyses and optimization of the water pre-treatment |
| Currenta LEV | D, Leverkusen | Seminars for the operators |
| Currenta LEV | D, Leverkusen | Consulting on the DI-plants |
| DONG Energy Thermal Power | DK, Herning | Analyses and engineering work on the IEX-plant |
| DONG Energy Thermal Power | DK, Kopenhagen | Training for Operators and attendants of IEX-plants |
| DONG Energy Thermal Power | DK, Herning | Engineering work for the new IEX-demin-plant |
| EdeA | NL, Geleen | Consulting on the DI-plants |
| EnviroChemie GmbH | D, Mainz | Consulting on the DI-plants |
| EVH | D, Halle | Basic Engineering CWA-Dieselstraße |
| Evonik Industries AG | D, Wesseling | Analyses of the CPP-plant |
| Heinr. Aug. Schoeller Söhne | D, Düren | Consulting on the DI-plants, concept for reengineering |
| Henkel AG & Co. KGaA | D, Düsseldorf | Consulting on the DI-plants |
| Hillebrand-Erbslöh | D, Wickede | Analyses and engineering of the rinse water recirculation plant |
| Kraftwerk Mehrum GmbH | D, Großhameln | Consulting on the DI-plants |
| Kraftwerke Mainz Wiesbaden AG | D, Mainz | Consulting on the DI-plants |
| Mainova AG | D, Frankfurt | Consulting on the DI-plants, re-engineering |
| MiRO | D, Mannheim | Consulting on the DI-plants |
| Norddeutsche Flüssigzucker GmbH | D, Barsinghausen | Study on the optimization of line 3 |
| Nordzucker AG | D, Nordstemmen | Review of the DI-plant and the thin-juice softening |
| ÖKOTEK | TR, Kirikkale | Check-up of the DI Plant of Tupras |
| ÖKOTEK | TR, Kirikkale | Seminar on site of the DI Plant of Tupras |
| OMV Petrom | RO, Brazi | Analysis of the Demin-Plant / Concept for flow increase |
| Unger | D, Solingen | Consulting on DI-production |
| Voestalpine Stahl GmbH | A, Linz | Consulting on the DI-plants |