Contents
Category: #investments Status: #publishingSoon Moderation:
Companies with a stock listing and a corporate headquarters in New Hampshire. Headquarters, not state of incorporation — the two often differ.
Compiled 2026-08-14 from general knowledge, not from a live filing pull. Every ticker and city below needs a check against the EDGAR query at the foot of this page before it leaves #publishingSoon.
List
| Company | Ticker | Headquarters | Sector |
|---|---|---|---|
| Iron Mountain | IRM | Portsmouth | Real estate |
| White Mountains Insurance Group | WTM | Hanover | Insurance |
| Allegro MicroSystems | ALGM | Manchester | Technology |
| Standex International | SXI | Salem | Industrials |
| PC Connection | CNXN | Merrimack | Technology |
| Unitil | UTL | Hampton | Utilities |
Notes
- Timberland and Fisher Scientific were absorbed by VF and Thermo Fisher; SIG Sauer is private.
- Bottomline Technologies was taken private by Thoma Bravo in 2022.
Verify
- SEC EDGAR — filers with a New Hampshire business address
- Cross-check the current Fortune 500 and the state's business journal before publishing.
- Acquisitions and take-privates are the usual reason an entry here goes stale.