?- A&A Thermal Spray Coatings
- APS Materials Inc.
- Aremco
- Bodycote PLC
- Ceramic Pro
- DowDuPont
- Fosbel Inc.
- Keronite
- Morgan Advanced Materials PLC
- OC Oerlikon Corporation AG
- Praxair S.T. Technology Inc.
- Saint-Gobain
- Swain Tech Coatings Inc.
- Zircotec