1. 3M Company
2. ACE Seal Inc.
3. Bal Seal Engineering Inc.
4. Brown Aircraft Supply Inc.
5. DP Seals Ltd
6. DuPont de Nemours Inc.
7. Eaton Corporation PLC
8. Freudenberg Group
9. Greene
Tweed & Co. Inc.
10. H.B. Fuller Company
11. Hutchinson SA
12. Jamak Inc.
13. Jetseal Inc.
14. Meggitt PLC by Parker-Hannifin Corporation
15. PPG Industries Inc.
16. Precision Polymer Engineering Ltd by IDEX Corporation
17. Rexnord Corporation
18. Saab AB
19. Saint Gobain S.A.
20. Saywell International
21. Seal Science Inc.
22. Silmid
23. SKF Group
24. SSP Manufacturing Inc.
25. Technetics Group
26. The Boeing Company
27. Transdigm Group Inc.
28. Trelleborg AB