?- Dow Corning Corporation
- NuSil Technology LLC
- H.B. Fuller Company
- Shin-Etsu Chemical Co. Ltd.
- Henkel AG & Co. KGaA
- Hitachi Chemical Co. Ltd.
- Panasonic Corporation
- Epic Resins
- Intertronics Ltd.
- OSRAM Licht AG
- NationStar Optoelectornics Co Ltd.