1. ABB Ltd.
2. Acme Panel
3. Balex Metal Sp. z o.o.
4. Dana Group
5. Eagle Panel Systems Inc.
6. Enercept Inc.
7. Extreme Panel Technologies
8. Foard
9. Owens Corning
10. Pfb Corporation
11. Porter Corp.
12. Rautaruukki Corporation
13. Structural Panels Inc.
14. T. Clear Corporation
15. The Murus Company Inc.