1. ABB Limited
2. Aliaxis Group S.A.
3. ANAMET Electrical Inc.
4. Astral PolyTechnik Limited
5. Atkore International Holdings Incorporated
6. Cantex Inc.
7. China Lesso Group Holdings Ltd.
8. Dura-line Corporation
9. Electri-Flex Company
10. Hellermanntyton group plc
11. Hubbell Incorporated
12. Legrand S.A.
13. Nan Ya Plastics Corp.
14. National pipe & plastics Inc.
15. Orbia Advance Corporation
16. Schneider Electric SE
17. Sekisui Chemical Co. Ltd.
18. Thomas & Betts Corporation
19. Wienerberger AG
20. Zekelman Industries Inc.