1. LANXESS
2. Owens Corning
3. 3B - The Fiberglass Comp
4. Shandong Fiberglass Group Corp
5. Nippon Electric Glass Co. Ltd
6. Taishan Fiberglass Inc. (CTG)
7. Chongqing Polycomp International Corp.
8. Johns Manville
9. Saint-Gobain Vetrotex
10. China Jushi Co. Ltd.