EPD members
Total members: 6
| CITIC Dameng Mining Industries Ltd. | China |
| Delta EMD | South Africa |
| Erachem Comilog Inc. | USA |
| Manganese Metal Company (MMC) | South Africa |
| Quintal S.A. | Columbia |
| Tosoh Corporation | Japan |
Total members: 6
| CITIC Dameng Mining Industries Ltd. | China |
| Delta EMD | South Africa |
| Erachem Comilog Inc. | USA |
| Manganese Metal Company (MMC) | South Africa |
| Quintal S.A. | Columbia |
| Tosoh Corporation | Japan |