The Largest Industrials Companies by Market Cap in October 2026

Caterpillar, GE Aerospace, and Contemporary Amperex Technology are the biggest companies by market cap in the industrials sector

By Lyle Daly – Updated Oct 5, 2026 at 11:28 PM EST | Fact-checked by Frank Bass

Key Points

  • Caterpillar leads with a $389B market cap in the industrials sector as of October 2026.
  • GE Aerospace and CATL follow, with market caps of $321B and $281B, respectively.
  • The industrials sector's top companies show robust growth, aiding investment decisions.

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