1. Broadcom Inc.
2. Calix Inc.
3. CommScope Inc.
4. Corning Inc.
5. Fiberhome Networks
6. Fibertronics
7. Fujikura Ltd.
8. Huawei Technologies Co. Ltd.
9. Iskratel
10. NEC Corporation
11. Nexans
12. OFS Fitel
LLC
13. Opticonx
14. Sterlite Tech
15. The Siemon Company