- AGY
- Braj Binani Group
- Chongqing Polycomp International Corp. (CPIC)
- Johns Manville
- Jushi Group Co. Ltd
- Nippon Electric Glass Co. Ltd
- Owens Corning
- PFG FIBER GLASS CORPORATION
- Saint-Gobain Vetrotex
- Taishan Fiberglass Co. Ltd
- TAIWAN GLASS IND. CORP.