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Top Companies in New Hampshire

Independently verified American companies based in New Hampshire. Refine by industry, trust badges, and size below.

11 companies listed (2 independently verified) — the largest by market value: Iron Mountain Inc, Allegro Microsystems, Inc., White Mountains Insurance Group Ltd.

11 companies · updating…
ALBANY INTERNATIONAL CORP /DE/ ROCHESTER, New Hampshire
✓ Verified NYSE: AIN
IRON MOUNTAIN INC PORTSMOUTH, New Hampshire
✓ Verified NYSE: IRM
ALLEGRO MICROSYSTEMS, INC. MANCHESTER, New Hampshire
NASDAQ: ALGM
First Seacoast Bancorp, Inc. DOVER, New Hampshire
NASDAQ: FSEA
NORTH EUROPEAN OIL ROYALTY TRUST KEENE, New Hampshire
NYSE: NRT
PC CONNECTION INC MERRIMACK, New Hampshire
NASDAQ: CNXN
Planet Fitness, Inc. HAMPTON, New Hampshire
NYSE: PLNT
Skillsoft Corp. NASHUA, New Hampshire
NYSE: SKIL
STANDEX INTERNATIONAL CORP/DE/ SALEM, New Hampshire
NYSE: SXI
UNITIL CORP HAMPTON, New Hampshire
NYSE: UTL
WH
WHITE MOUNTAINS INSURANCE GROUP LTD HANOVER, New Hampshire
NYSE: WTM

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