| Kundenname | Stadt | Land |
|---|---|---|
| Siemens Nederland N.V. | Hengelo | Netherlands |
| Siersema Scheffers b.v. | Hertogenbosch | Netherlands |
| SOLVAY S.A. | Bruxelles | Belgium |
| SOLVAY SA | Brüssel | Belgium |
| SPIE Controlec Engineering B.V. | Schiedam | Netherlands |
| SPIE Nederland B.V. | Breda | Netherlands |
| Stamicarbon BV | Sittard | Netherlands |
| Standard Fasel Lentjes B.V. | Utrecht | Netherlands |
| Stevens Engineering Emmen bv | Emmen | Netherlands |
| Stork Energy | Hengelo | Netherlands |
| Stork Industry Services BV Zuidoost | Elsloo | 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 International | Brüssel | Belgium |
| Thermibel S. A. | Strépy-Bracquegnies | Belgium |