?- Alubel SpA
- ArcelorMittal
- Balex-Metal
- DANA Group of Companies
- ITALPANNELLI SRL
- Jiangsu Jingxue Insulation Technology Co. Ltd
- Kingspan Group
- METECNO
- Owens Corning
- PFB Corporation
- Rautaruukki Corporation.
- Tata Steel
- Zamil Steel Pre-Engineered Buildings Co. Ltd