1. Allresist GmbH
2. Avantor Inc.
3. Brewer Science Inc.
4. DJ MicroLaminates Inc.
5. Dongjin Semichem Co. Ltd.
6. DuPont de Nemours Inc.
7. Fujifilm Holdings Corporation
8. Irresistible Materials Ltd.
9. JSR Corporation
10. Kayaku Advanced Materials Inc.
11. KemLab Inc.
12. Merck KGaA
13. micro resist technology GmbH
14. SACHEM Inc.
15. Shenzhen Didao Microelectronics Technology Co. Ltd.
16. Shin-Etsu Chemical Co. Ltd.
17. Sumitomo Chemical Co. Ltd.
18. Tokyo Ohka Kogyo Co. Ltd.
19. Weifang Xingtaike Microelectronic Materials Co. Ltd.