1. Aurubis AG
2. Boliden Group
3. Desco Electronic Recyclers
4. Electronic Recyclers International Inc.
5. Enviro-Hub Holdings Limited
6. Kuldeep e waste
7. LifeSpan International Inc.
8. MBA Polymers Inc.
9. Quantum Lifecycle Partners
10. Sims Metal Management Ltd.
11. Stena Technoworld AB
12. Tetronics Limited
13. Triple M Metal LP
14. Umicore S.A.
15. Waste Management Inc.