1. Axson Technologies SA
2. BYK Additives & Instruments
3. DuPont de Nemours Inc.
4. Elementis Specialties Inc
5. Evonik Industries AG
6. Hybrid Plastics Inc.
7. Inframat Corporation
8. Laviosa Chimica Mineraria Spa
9. Minerals Technologies Inc.
10. Nanocor Incorporated
11. Nanophase Technologies Corporation
12. Nanoshel LLC
13. Powdermet Inc.
14. Sika AG
15. The 3M Company