Top 10 Tantalum Producers: Companies & Countries 2026

Global tantalum supply runs through two very different chains: raw ore extraction, dominated by artisanal and small-scale mining in Central Africa, and downstream refining, concentrated among a handful of specialist processors in Germany, China, and Brazil. According to the USGS Mineral Commodity Summaries 2026, world mine production reached an estimated 2,500 tonnes of contained tantalum in 2025, with the Democratic Republic of Congo alone accounting for roughly half. This article ranks the ten companies and producing nations that matter most to buyers of capacitor-grade powder, aerospace superalloy feedstock, and sputtering targets.

How We Ranked the Top 10 Tantalum Producers

Companies are ranked by a combination of production scale, vertical integration across the supply chain, and strategic importance to global capacitor and superalloy manufacturing. Where a company’s exact tonnage is not publicly disclosed — common among privately held processors — we note that explicitly rather than estimating a figure. Country data is drawn directly from USGS 2025 estimates, the most recent government-verified figures available.

Top 6 Tantalum-Producing Countries by Mine Output

The tantalum producers table below reflects USGS 2025 estimated mine production, in metric tons of contained tantalum.

USGS also notes a June 2026 peace agreement between the Governments of Congo (Kinshasa) and Rwanda, mediated by the United States, aimed at ending support for nonstate armed groups in the east of the country — the region that supplies the bulk of Congolese tantalum. If sustained, USGS expects this to improve trade stability for the two countries that together supply roughly two-thirds of world output.

Top 10 Tantalum Producing and Refining Companies

1. Global Advanced Metals (GAM)

Headquartered across Australia and the United States, GAM is one of the few tantalum producers vertically integrated from tailings and stockpile processing through to finished capacitor-grade powder and wire. It supplies both the commercial electronics market and, via a Boyertown, Pennsylvania facility, the US National Defense Stockpile — a contract worth up to $100 million over five years, awarded by the Defense Logistics Agency in September 2025 per USGS. Privately held; no public ticker.

2. Minsur S.A. (Mineração Taboca)

Peru’s Minsur operates the Pitinga mine in Amazonas, Brazil, through subsidiary Mineração Taboca — one of the largest single industrial tantalum-tin sources outside Africa. Listed on the Bolsa de Valores de Lima (BVL: MINSURI1). Brazil’s total 2025e mine output was 190 tonnes per USGS, and Pitinga is the country’s principal contributor.

3. AMG Critical Materials N.V.

AMG (Euronext Amsterdam: AMG) recovers tantalum as a co-product of its Mibra lithium mine in Minas Gerais, Brazil. The byproduct model gives AMG a lower marginal cost base than standalone tantalum miners and positions it as a conflict-free supplier for Western capacitor and superalloy buyers.

4. TANIOBIS GmbH

A subsidiary of Japan’s JX Advanced Metals, Germany-based TANIOBIS is a leading downstream processor, converting raw concentrate into capacitor-grade powders, oxides, and wire for semiconductor and electronics manufacturers. Its Goslar facility is one of the largest tantalum refining sites in Europe.

5. CNMC Ningxia Orient Group Co., Ltd.

A subsidiary of Hong Kong-listed China Nonferrous Metal Mining Company (HKEX: 1258), Ningxia Orient is among Asia’s principal capacitor-grade tantalum powder suppliers, feeding China’s large domestic electronics manufacturing base as well as export markets.

6. Changsha South Tantalum Niobium Co., Ltd.

Based in Hunan province, Changsha South Tantalum is a major Chinese producer of tantalum and niobium metallurgical products, supplying aerospace and industrial gas-turbine customers domestically and abroad. State-linked; no public ticker identified.

7. Plansee Group

The Austrian powder-metallurgy specialist processes tantalum metal into sputtering targets, mill products, and superalloy additions for semiconductor and vacuum-furnace applications. Plansee is not a primary miner but sits at a critical fabrication chokepoint for high-purity tantalum components. Privately held.

8. Talison Lithium (Greenbushes)

Jointly owned by Tianqi Lithium (SZSE: 002466), IGO Limited (ASX: IGO), and Albemarle (NYSE: ALB), the Greenbushes mine in Western Australia is the world’s largest hard-rock lithium operation and has historically been a significant secondary source of tantalum concentrate. [Estimated] current tantalum output specifically is not separately disclosed in recent filings — Australia’s total 2025e tantalum production was 50 tonnes per USGS, spread across several co-producing sites.

9. Pilbara Minerals Ltd.

The ASX-listed (ASX: PLS) lithium producer operates the Pilgangoora project in Western Australia, which has periodically yielded tantalum concentrate as a secondary stream. [Estimated/verify] — recent company disclosures have emphasised lithium spodumene output over tantalum by-product volumes, so this line should be confirmed against Pilbara’s latest quarterly report before treating it as an active revenue stream.

10. China Minmetals Corporation

China’s state-owned mining and trading conglomerate, partly listed through Hong Kong subsidiary Minmetals Resources (HKEX: 1208), is a central player in China’s broader rare and minor metals trading network, including tantalum ore and concentrate flows into domestic processors such as Ningxia Orient and Changsha South.

Tantalum Producers Comparison Table

The Outlook for Tantalum Producers in 2026

The June 2026 Congo-Rwanda peace accord is the single most consequential development for tantalum producers heading into the second half of the year: the two countries together supply roughly two-thirds of world mine output, and improved regional stability directly affects traceability and supply reliability for downstream buyers. On the demand side, the US Defense Logistics Agency’s expanded domestic stockpile contracts signal continued government appetite for onshored refining capacity, a trend likely to keep processors like Global Advanced Metals and TANIOBIS in a strong commercial position relative to unprocessed ore exporters.

For SMM benchmark pricing on 99.5% tantalum pentoxide, see CMN’s tantalum price tracker. For background on tantalum’s properties and end uses, see What Is Tantalum? Tantalum’s role in defence electronics and superalloys is covered in more detail in CMN’s critical minerals defence supply chain analysis.

Data on world mine production and reserves: USGS Mineral Commodity Summaries 2026 — Tantalum. For supply chain and traceability context specific to tantalum and niobium: Tantalum-Niobium International Study Center.