1. Allianz Group
2. Techniker Krankenkasse
3. Allgemeine Ortskrankenkasse
4. Axa S.A.
5. Zurich Insurance Group
6. Chubb Limited
7. Aviva plc
8. Assicurazioni Generali S.p.A.
9. British United Provident Association (Bupa)
10. Dai-ichi Life International (Europe) Limited