| Company | Business line | Participation |
| 01 Informatique | Stipulator | Yes. |
| Adecco | Services. | Yes. |
| Agence France Presse | Medias. | Yes. |
| Agence pour le Développement de l'Administration Electronique | Public service. | Yes. |
| Alcatel | Engineering. | Yes. |
| Alstom | Industry. | Yes. |
| Altadis | Industry. | No. |
| Assistance Publique - Hôpitaux de Paris | Health care. | Yes. |
| Arcelor | Industry. | No. |
| Armée de Terre | Public service. | Yes. |
| Atofina | Energy. | Yes. |
| Atos | Stipulator. | Yes. |
| Area | Transportation. | Yes. |
| Banque de France | Banking or insurance. | Yes. |
| Beghin Say | Industry. | Partial. |
| Bosch | Industry. | Yes. |
| Boston Consulting Group | Stipulator. | No. |
| Bouygues Telecom | Telecom. | Yes. |
| Cap Gemini Ernst & Young | Stipulator. | Yes. |
| Caisse d'Epargne | Banking or insurance. | No. |
| Caisse des Dépôts | Banking or insurance. | Yes. |
| Canal + | Medias. | No. |
| Carrefour | Retailing. | No. |
| Casino | Retailing. | No. |
| Cesih de Bourgogne | Health care. | Yes. |
| Club Informatique des Grandes Entreprises Françaises | Stipulator. | Yes. |
| Crédit Lyonnais | Banking or insurance. | Yes. |
| Essilor | Industry. | Yes. |
| Fnac | Retailing. | Yes. |
| France Telecom | Telecom. | Yes. |
| Gaz de France | Energy. | Yes. |
| Gendarmerie Nationale | Public service. | Yes. |
| Groupama Banque | Banking or insurance. | Yes. |
| Insee | Public service. | Yes. |
| La Poste | Public service. | No. |
| L'Oréal | Industry. | Yes. |
| LVMH | Industry. | No. |
| Mairie de Lyon | Public service. | Yes. |
| Merial | Industry. | Yes. |
| Michelin | Industry. | Yes. |
| Ministère de l'Equipement - Centre Technique | Public service. | Yes. |
| Ministère de l'Intérieur | Public service. | Yes. |
| Monde Informatique | Stipulator. | Partial. |
| RATP | Transportation. | Yes. |
| Radio France | Medias. | No. |
| Renault | Industry. | Yes. |
| Salomon | Industry. | Yes. |
| Securitas | Services. | Yes. |
| SNCF | Transportation. | Yes. |
| Société Générale | Banking or insurance. | No. |
| T2C - Transportation de Clermont-Ferrand | Transportation. | Yes. |
| Technip - Coflexip | Engineering. | Yes. |
| Tf1 | Medias. | No. |
| Total Fina Elf | Energy. | No. |
| Zannier | Industry. | No. |