- 3M
- Bakony Ipari Kermia Kft.
- CeramTec GmbH
- CoorsTek Inc.
- Dyson Technical Ceramics
- A Corporation
- Kyocera Corporation
- Mantec Technical Ceramics Ltd
- McDanel Advanced Ceramic Technologies
- Morgan Advanced Materials
- NGK Spark Plug Co. Ltd
- Rauschert GmbH
- Saint-Gobain
- STC Superior Technical Ceramics