| Client name | City | Country |
|---|---|---|
| TOTAL Raffinage France SA | Chateauneuf-Les-Martigues | France |
| TotalEnergies Global Information Technology Services | LILLE CEDEX 9 | France |
| TRACTEBEL ENGINEERING S.A. | Brüssel | Belgium |
| Tronox Pigments (Holland) B.V. | Rotterdam | Netherlands |
| Tyco Energie Valve | Oldenzaal | Netherlands |
| USG Industrial Utilities | Geleen | Netherlands |
| Utility Support Group (USG) | Geleen | Netherlands |
| Van den Bergh en Jurgens | Rotterdam | Netherlands |
| Van Heun Consulting Arnhem-NL | Arnhem | Netherlands |
| Vandemoortele N.V. | Izegem | Belgium |
| VICOMA BEHEER B.V. | Rotterdam - Hoogvliet | Netherlands |
| Viro Engineering | Arnhem | Netherlands |
| Von Rohr ARCA BV | Eerbeek | Netherlands |
| VPR Energy BV | Rotterdam | Netherlands |
| VVC BV | Bornem | Belgium |
| Vynova Belgium NV | Tessenderlo | Belgium |
| VYNOVA Belgium NV | Tessenderlo | Belgium |
| Wintershall Noordzee B.V. | Rijswijk | Netherlands |
| WORLEY BELGIUM BV. | Antwerpen | Belgium |
| Worley Nederland B.V. | Den Haag | Netherlands |
| Worley Nederland B.V. | Meersen | Netherlands |
| XOMOX France S.A.S | Brunstatt-Mulhouse | France |
| Yara Belgium N.V. | Brussels | Belgium |
| Yara Sluiskil B.V | Sluiskil | Netherlands |
| Zeeland Refinery | Nieuwdorp | Netherlands |
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