1. Black Box Corporation
2. Commscope
3. Corning Incorporated
4. Cp Technologies
5. General Cable (Prysmian Group)
6. Legrand North America Llc (Legrand)
7. Major Custom Cable
8. Panduit Corp
9. Quabbin Wire & Cable Co Inc
10. Schneider Electric
11. Comnen
12. Fiberstore
13. Otscable
14. Cable Master
15. Belden