- 3M Company
- Advanced Polymer Materials Inc.
- Agfa-Gevaert Group.
- Celanese Corporation
- Eeonyx
- Heraeus Holding
- Hyperion Catalysis International
- KEMET
- Lehmann&Voss&Co.
- Parker Hannifin Corp.
- PolyOne Corporation
- Premix Group
- RTP Company
- SABIC
- Solvay
- The Lubrizol Corporation