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Companies headquartered in New Hampshire

9 public companies are headquartered in New Hampshire, including 1 in the S&P 500 or Nasdaq-100. The biggest concentrations are in Hampton, Hanover and Manchester.

9 companies · 8 cities · 1 ★ index members

Hampton 2

Hanover 1

Manchester 1

Merrimack 1

Nashua 1

Portsmouth 1

Rochester 1

Salem 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.