| Client name | City | Country |
|---|---|---|
| Standard Fasel Lentjes B.V. | Utrecht | Netherlands |
| Stevens Engineering Emmen bv | Emmen | Netherlands |
| Stork Energy | Hengelo | Netherlands |
| Stork Industry Services BV Zuidoost | Elsloo | Netherlands |
| Stork Thermeq B.V. | Hengelo | Netherlands |
| Sweco bv | Brussel | Belgium |
| Sweco Nederland BV | De Bilt | Netherlands |
| Sweco Nederland BV | Groningen | Netherlands |
| SYENSQO SA | Bruxelles | Belgium |
| T.EN Netherlands B.V. | Zoetermeer | Netherlands |
| Tebodin Consultants & Engineers | Den Haag | Netherlands |
| Tebodin Netherlands B.V. | Hengelo | Netherlands |
| TECHNICATOME | Aix En Provence Cedex | France |
| Technip - Ets de Lyon | Vaulx en Velin | France |
| TECHNIP ENERGIES FRANCE SAS | NANTERRE CEDEX | France |
| Technip-EPG B.V. | Capelle aan den IJsse | Netherlands |
| Teesing BV | Rijswijk | Netherlands |
| Tessenderlo Chemie N.V./S.A. | Brüssel | Belgium |
| TOTAL Loop Management B.V. | Capelle a/d IJssel | Netherlands |
| Total Olefins Antwerp NV | Antwerpen | Belgium |
| TOTAL PETROCHEMICALS FRANCE | Saint-Avold Cedex | France |
| TOTAL PETROCHEMICALS FRANCE | Harfleur | France |
| TOTAL Petrochemicals France | Saint Priest | France |
| TOTAL Raffinaderij Antwerpen | Antwerp | Belgium |
| TOTAL Raffinage France | Harfleur | France |