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The Largest Consumer Staple Companies by Market Cap in January 2026

Walmart, Costco, and Procter & Gamble lead the consumer staples sector.

By Lyle DalyUpdated Jan 12, 2026 at 12:00 PM EST | Fact-checked by Margo Winton Parodi
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Key Points

  • Walmart leads in the consumer staples sector with a market cap of $938 billion.
  • Costco, ranking second, emphasizes low-cost products due to unique business model.
  • Procter & Gamble, third largest, focuses on well-known household brands.
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