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Companies headquartered in Delaware

23 public companies are headquartered in Delaware, including 4 in the S&P 500 or Nasdaq-100. The biggest concentrations are in Wilmington, Dover and Claymont.

23 companies · 5 cities · 4 ★ index members

Wilmington 18

Dover 2

Claymont 1

Middletown 1

Newark 1

Other states: California Texas New York Massachusetts Florida Pennsylvania Illinois Virginia New Jersey Ohio Colorado Georgia North Carolina Connecticut Maryland Arizona Washington Tennessee Minnesota Michigan Wisconsin Indiana Utah Missouri Nevada Oklahoma Louisiana Kentucky Arkansas Nebraska South Carolina Alabama Oregon Iowa Kansas Washington, D.C. Idaho New Hampshire Rhode Island Montana North Dakota West Virginia Hawaii Maine South Dakota Mississippi

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.