1. Apogee Enterprises Inc.
2. Asahi India Glass Limited
3. Builders FirstSource Inc.
4. Central Glass Co. Ltd.
5. DCM Shriram
6. Deceuninck NV by Sofina Group
7. Inwido AB
8. JELD-WEN Inc.
9. Masco Corporation
10. Nippon Sheet Glass Co. Ltd.
11. PGT Innovations Inc.
12. REHAU Vertriebs AG
13. SCHOTT AG by Carl Zeiss Foundation
14. VKR Holding A/S
15. YKK Corporation