| Client name | City | Country |
|---|---|---|
| Europa Fachhochschule Fresenius | Idstein | Germany |
| Eurotecnica Contractors and Engineers S.p.A. | Milano | Italy |
| EVI Abfallverwertung B.V. & Co. KG | Laar | Germany |
| Evonik | Weißenstein | Austria |
| Evonik Carbon Black GmbH | Frankfurt | Germany |
| Evonik Degussa Antwerpen N.V. | Antwerpen | Belgium |
| Evonik Degussa GmbH | Köln | Germany |
| Evonik Degussa GmbH | Rheinfelden | Germany |
| Evonik Industries AG | Herne | Germany |
| Evonik Industries AG | Marl | Germany |
| Evonik Industries AG | Hanau-Wolfgang | Germany |
| Evonik Industries AG | Wesseling | Germany |
| Evonik Operations GmbH | Marl | Germany |
| Evonik Operations GmbH | Niederkassel-Lülsdorf | Germany |
| Evonik Operations GmbH | Marl | Germany |
| EVT Energie- und Verfahrenstechnik GmbH | Stuttgart | Germany |
| EXXON Chemical Arabia | Saudi Arabia | |
| EXXON Chemical Holland LLC | Meerhout | Belgium |
| EXXON Chemical Holland LLC | Rozenburg | Netherlands |
| ExxonMobil Chemical | Baton Rouge | United States |
| ExxonMobil Chemical Asia Pacific Pte. Ltd | Singapore | Singapore |
| ExxonMobil Chemical Company | Baytown | United States |
| ExxonMobil Chemical France | Notre Dame de Gravenchon | France |
| ExxonMobil Chemical Holland BV | Rotterdam | Netherlands |
| ExxonMobil Chemical Limited | Cowdenbeath | United Kingdom |