1. Adams Magnetic Products Co.
2. Arnold Magnetic Technologies Corporation
3. Bunting Magnetics Co.
4. Chengdu Yinhe Magnet Co. Ltd.
5. Daido Steel Co. Ltd?
6. Eclipse Magnetics Ltd. by Spear and Jackson
7. Electron Energy Corporation
8. Goudsmit Magnetics Groep B.V.
9. Hitachi
Ltd.
10. Ningbo Yunsheng Co. Ltd.
11. Shin-Etsu Chemical Co. Ltd.
12. TDK Corporation
13. Tengam Engineering
Incorporated
14. Thomas and Skinner Inc.
15. Yantai Dongxing Magnetic Materials Inc.