1. Advanced Cerametrics Inc.
2. Advanced Monolythic Ceramics Inc.
3. Advances Ceramic Research Inc.
4. APC International Ltd.
5. CeramTec GmbH
6. Coorstek Inc.
7. H.C. Stark GmbH
8. Kyocera Corporation
9. Morgan Advanced Materials Plc
10. NGK Spark Plug Co. Ltd
11. Nobel Biocare Services AG
12. Straumann Group
13. Stryker Corporation
14. The 3M Company
15. Zimmer Biomet Holdings Inc.