totalmarketcap

Largest aluminum companies

Every US-listed aluminum company we cover — 2 of them — ranked by market capitalisation, with revenue and earnings taken from their SEC filings.

Combined market cap

$18.311 B

0.02% of all US-listed value

Companies

2

Ranked #132 of 152 industries

Largest

Alcoa

AA · market cap

Average

$9.155 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1AlcoaAA$13.2B$50.17+5.67% United States
2Century AluminumCENX$5.07B$51.23+11.49% United States

All 2 companies. One row per company — secondary share classes are folded into their primary listing. Updated 9 Aug 2026.

Sectors aluminum companies sit in

Other industries

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered — see methodology.