Key Players
- Boliden Group
- China Minmetals Corporation
- Doe Run Resources Corporation
- East Penn Manufacturing Company
- EnerSys
- Exide Technologies
- Glencore International AG
- Hindustan Zinc Limited
- Johnson Controls International plc
- Korea Zinc Co. Ltd
- Nyrstar NV
- South32 Limited
- Teck Resources Limited
- Vedanta Resources Limited