23 indium suppliers outside China across 10 countries, covering alloying, anode slime treatment, bismuth recovery and refining (planned), by-product recovery, by-product recovery (planned), copper electrorefining, electro-refine, fabrication, high-purity metal purification, high-purity tellurium and tellurium chemical/compound manufacture, integrated zinc/lead/copper smelting, leach, melting, precious and minor metal recovery, purify, recover, recycle, recycling, refine, refining, refining (planned), smelt, solvent extraction, tellurium purification, tellurium refining to 99.99%+ shots and ingots, trioxide, zinc electrolysis, zinc smelting. Every record is sourced, dated and verified.
Every one of these 23 plants discloses a capacity figure. Registry re-checked 9 November 2026.
| Facility | Country | Mineral | Process | Capacity | Confidence |
|---|---|---|---|---|---|
| Neo Performance Materials Peterborough gallium recycling & refining plant Neo Performance Materials Inc. (Rare Metals division) | Canada | gallium | leach, solvent extraction, purify | Subscriber | HIGH |
| Indium Corporation gallium refining and recycling — Rome, New York, United States Indium Corporation | United States | gallium | refine, purify, recycle | Subscriber | MED |
| 5N Plus Montreal (Garand Street) 5N Plus Inc. | Canada | gallium | refine, purify | Subscriber | MED |
| DOWA Semiconductor Akita (gallium plant) DOWA Electronics Materials Co., Ltd. | Japan | gallium | refine, purify | Subscriber | MED |
| Korea Zinc Clarksville 'Project Crucible' gallium & germanium recovery complex (planned) Korea Zinc Co., Ltd. (Crucible Zinc Inc.) | United States | gallium | recover, refine, smelt | Subscriber | HIGH |
| Teck Trail Operations Teck Resources Limited | Canada | germanium | refine, purify | 70 t/yr indium (USGS 2023 estimated capacity) | HIGH |
| Umicore Hoboken (antimony recovery), Antwerp Umicore N.V. | Belgium | antimony | recycle, refine | Subscriber | HIGH |
| Korea Zinc Onsan Smelter (antimony recovery), Ulsan, South Korea Korea Zinc Co., Ltd. | South Korea | antimony | refine, recycle | Subscriber | MED |
| Takehara Refinery (antimony trioxide byproduct), Hiroshima Mitsui Mining & Smelting Co., Ltd. (Mitsui Kinzoku) | Japan | antimony | trioxide, refine | Subscriber | MED |
| Crucible Metals (Korea Zinc) — Project Crucible, Clarksville, United States Crucible Metals LLC (Korea Zinc Co., Ltd.) | United States | bismuth | integrated zinc/lead/copper smelting, bismuth recovery and refining (planned) | Subscriber | HIGH |
| Young Poong — Seokpo Zinc Smelter, Bonghwa, South Korea Young Poong Corporation | South Korea | indium | by-product recovery, refining, zinc smelting | Subscriber | HIGH |
| Nyrstar — Auby Zinc Smelter, Auby, France Nyrstar France SAS | France | indium | by-product recovery, refining, zinc electrolysis | Subscriber | HIGH |