Solar
Materials

| Germanium |
| Sponsor Companies | |||
| Name | Region | No.Staff | Material Types |
| All-Chemie | USA | Germanium | |
| American Elements | USA | Germanium | |
| Chihong Zn & Ge | China | 9000 | Germanium |
| ESPI | USA | Germanium | |
| GCA | USA | Germanium | |
| HEFA Rare Earth Canada | Canada | Germanium | |
| Indium Corporation | USA | Germanium | |
| Litop Non-ferrous Metals | China | Germanium | |
| Materion Advanced Chemicals | USA | Germanium | |
| MCP | UK | Germanium | |
| Nanjing Germanium Factory | China | Germanium | |
| Noah Technologies | USA | 150 | Germanium |
| Novotech | USA | 35 | Germanium |
| PPM Pure Metals | Germany | Germanium | |
| Robeko | Germany | Germanium | |
| SE "Germanium" | Russia | Germanium | |
| Shaoguan Smelter | China | Germanium | |
| Shinko Chemical | Japan | Germanium | |
| Smelter | China | 6000 | Germanium |
| Sylarus Technologies | USA | Germanium | |
| Teck Cominco Metals | Canada | Germanium | |
| Tongli Ge Refine | China | 397 | Germanium |
| Umicore | Belgium | Germanium | |
| Vacuum Engineering & Materials | USA | Germanium | |
| Voltaix | USA | Germanium | |
| Wafer World Inc. | USA | Germanium | |
| Xinyan Non-ferrous Metals | China | Germanium | |
| Xinyuan Germanium | China | Germanium | |
| ZNXC Tech | China | Germanium | |