The Largest Materials Companies by Market Cap in October 2026

Linde, BHP Group, and Southern Copper are the biggest companies by market cap in the materials sector

By Lyle Daly – Updated Oct 6, 2026 at 4:09 PM EST | Fact-checked by Frank Bass

Key Points

  • Linde leads with a $222 billion market cap in the materials sector as of Oct 2026.
  • BHP Group and Southern Copper are key players in mining, valued over $220 billion.
  • Invest in materials sector giants for potential growth in mining and chemicals industries.

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