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Companies headquartered in South Dakota

6 public companies are headquartered in South Dakota. The biggest concentrations are in Sioux Falls, Brookings and Lead.

6 companies · 4 cities

Sioux Falls 3

Brookings 1

Lead 1

Rapid City 1

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Headquarters are each company's principal executive office as filed with the SEC (EDGAR business address), as of October 3, 2026. ★ marks S&P 500 and Nasdaq-100 members. All locations.