- Alcatel-Etca
- AP&P
- Belgacom
- B-Management
- BNP Paribas Fortis
- Detron
- Dexia group
- DigiPoint
- Dolmen
- Harvey Nash
- IBM Interim Management
- Landis
- Mobistar
- Proximus
- Région Wallonne
- Telenet
- Wolters Kluwer Belgium