
PT Timah Tbk is one of the world’s leading integrated tin producers, headquartered in Indonesia. With a proud history dating back to 1976, the company operates across the full tin value chain, from exploration and mining to refining and marketing. As a state-owned enterprise, PT Timah plays a central role in ensuring reliable tin supply to global markets while continuously investing in innovation and efficiency. The company is also committed to responsible mining practices, community development, and supporting the growth of downstream industries that depend on tin. Through its scale and expertise, PT Timah is helping to secure the future of this vital resource for technology and society.
Mining Mineral Resources (MMR), established in 2009, is a leading tin producer in the Democratic Republic of the Congo. The company operates multiple mining sites and is distinguished by building the country’s first tin smelter, adding significant local value through refining. With internationally recognised ISO certifications and active participation in responsible sourcing programs, MMR is committed to quality, sustainability, and supporting community development.


Eloro Resources Ltd. is a Canadian-based exploration and mine development company with a strong focus on tin. Its flagship asset is the Iska Iska silver‑tin polymetallic project in southern Bolivia, where ongoing drilling has revealed extensive tin mineralisation and strong potential for a major deposit. Eloro’s efficient progress—from exploration to defining an initial resource—underscores its commitment to advancing a significant tin discovery that could support future supply to emerging technologies.
Prieto Battery, founded in 2009 by Dr. Amy Prieto and based in Colorado, is a pioneer in next-generation energy storage. The company is best known for its patented 3D solid-state lithium-ion architecture, which offers hyper-fast charging, wide temperature performance, and exceptional safety. Building on this innovation, Prieto is now expanding into sodium-ion battery technology, applying its expertise to deliver sustainable, high-performance solutions that support the growing global demand for safe and efficient energy storage.


Fenix Metals is Europe’s leading modern tin recycler, based in Poland and operating a state-of-the-art facility that transforms diverse tin residues into high-purity tin and solder alloys. With a broad portfolio of over 250 products—including ingots, wires, pellets, and custom formulations—the company serves key industries such as electronics, automotive, construction, and fashion. Committed to sustainability and excellence, Fenix Metals holds multiple certifications (ISO 9001, 14001, 45001), adheres to best-available-technology recycling practices, and actively supports local development through education and cultural initiatives.