Homeowners
- Liberty Mutual Group · 12.3%
- State Farm Group · 11.7%
- Allstate Insurance Group · 8.3%
- United Serv Automobile Assn Group · 7.3%
- Farmers Insurance Group · 6.4%

Every property and casualty insurer admitted in New Hampshire and every eligible surplus lines insurer, with NAIC numbers, the lines each is licensed for, who writes the most of each line, and the market of last resort when nobody else will.
New Hampshire's regulator doesn't publish a company list that can be read by machine (or it's behind a CAPTCHA or terms that bar automated use), so this page shows what public sources do say: 194 sureties licensed in New Hampshire per the U.S. Treasury, 46 insurers domiciled here, the state's markets of last resort, and each company's standing in the states that do publish lists.
By Sam Alishahi, independent insurance broker · All states
Companies on the U.S. Treasury's Circular 570 (acceptable sureties on federal bonds) that list a New Hampshire license, with each one's federal underwriting limit.
46 property and casualty insurers have their home office in New Hampshire. Each company page shows where it is admitted or eligible for surplus lines among the states whose lists are loaded.
| Company | NAIC | Home state | Admitted in | Surplus lines in | Lines |
|---|---|---|---|---|---|
| Allied World Assurance Company (U.S.) Inc. | 22730 | NH | 35 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +18 more |
| Allied World National Assurance Company | 10690 | NH | 32 | 2 | Aircraft and aviation, Personal auto, Equipment breakdown +16 more |
| Allmerica Financial Alliance Insurance Company | 10212 | NH | 32 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +12 more |
| America First Insurance Company | 12696 | NH | 6 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +11 more |
| American Fire and Casualty Company | 24066 | NH | 34 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +16 more |
| CAMPMED CASUALTY \u0026 INDEMNITY COMPANY, INC. | 12260 | NH | 33 | 0 | Personal auto, Equipment breakdown, Crime (burglary and theft) +10 more |
| Colorado Casualty Insurance Company | 41785 | NH | 12 | 0 | Personal auto, Equipment breakdown, Commercial auto +12 more |
| Concord General Mutual Insurance Company | 20672 | NH | 1 | 0 | Personal auto, Fidelity bonds, General liability +2 more |
| Covington Specialty Insurance Company | 13027 | NH | 4 | 23 | Commercial package (BOP, CMP), Earthquake, Inland marine +2 more |
| Excelsior Insurance Company | 11045 | NH | 10 | 0 | Personal auto, Fidelity bonds, General liability +3 more |
| First National Insurance Company of America | 24724 | NH | 35 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +17 more |
| General Insurance Company of America | 24732 | NH | 35 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +18 more |
| Golden Eagle Insurance Corporation | 10836 | NH | 1 | 0 | — |
| Hanover American Insurance Company (The) | 36064 | NH | 33 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +15 more |
| Hanover Insurance Company (The) | 22292 | NH | 35 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +16 more |
| Home Insurance Company | 22527 | NH | 4 | 0 | — |
| Home Reinsurance Company (The) | 38032 | NH | 1 | 0 | — |
| Liberty Mutual Personal Insurance Company | 12484 | NH | 26 | 0 | Personal auto, Crime (burglary and theft), Earthquake +8 more |
| Liberty Personal Insurance Company | 11746 | NH | 5 | 0 | — |
| Liberty Surplus Insurance Corporation | 10725 | NH | 4 | 22 | Personal auto, Equipment breakdown, Commercial auto +9 more |
| Massachusetts Bay Insurance Company | 22306 | NH | 35 | 0 | Personal auto, Equipment breakdown, Commercial auto +14 more |
| MEMIC Casualty Company | 14164 | NH | 25 | 0 | General liability, Workers' compensation |
| MEMIC Indemnity Company | 11030 | NH | 33 | 0 | General liability, Workers' compensation |
| Merchants National Insurance Company | 12775 | NH | 4 | 18 | General liability |
| Mid-American Fire and Casualty Company | 23507 | NH | 4 | 0 | — |
| Netherlands Insurance Company (The) | 24171 | NH | 31 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +14 more |
| New Hampshire Employers Insurance Company | 13083 | NH | 2 | 0 | Workers' compensation |
| North American Capacity Insurance Company | — | NH | 0 | 2 | — |
| Ohio Casualty Insurance Company (The) | 24074 | NH | 35 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +15 more |
| Ohio Security Insurance Company | 24082 | NH | 34 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +14 more |
| Peerless Insurance Company | 24198 | NH | 30 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +14 more |
| Richmond National Insurance Company | 17103 | NH | 5 | 20 | Equipment breakdown, Inland marine, General liability +3 more |
| RSUI Indemnity Company | 22314 | NH | 35 | 0 | Personal auto, Equipment breakdown, Commercial package (BOP, CMP) +9 more |
| Safeco Insurance Company of America | 24740 | NH | 35 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +16 more |
| Safeco National Insurance Company | 24759 | NH | 17 | 0 | Personal auto, General liability, Commercial property (fire and allied lines) +1 more |
| Safeco National Insurance Company | — | NH | 2 | 0 | — |
| Safeco Surplus Lines Insurance Company | 11100 | NH | 3 | 17 | — |
| Sirius Specialty Insurance Corporation | — | NH | 0 | 1 | — |
| SiriusPoint Specialty Insurance Corporation | 16820 | NH | 4 | 21 | Personal auto, Equipment breakdown, Commercial auto +3 more |
| Stratford Insurance Company | 40436 | NH | 35 | 0 | Aircraft and aviation, Personal auto, Equipment breakdown +16 more |
| Sunapee Mutual Fire Insurance Company | 28479 | NH | 1 | 0 | Personal auto, Fidelity bonds, General liability +2 more |
| Verlan Fire Insurance Company | 10815 | NH | 33 | 0 | Equipment breakdown, Commercial package (BOP, CMP), Earthquake +9 more |
| Western World Insurance Company, Inc. | 13196 | NH | 5 | 22 | Personal auto, Commercial auto, Commercial package (BOP, CMP) +6 more |
| XLNT Insurance Company | 11705 | NH | 6 | 0 | Personal auto, Equipment breakdown, Crime (burglary and theft) +5 more |
| |Landmark American Insurance Company | 33138 | NH | 4 | 23 | Commercial package (BOP, CMP), Earthquake, Flood +5 more |
| |Tudor Insurance Company | 37982 | NH | 5 | 21 | Commercial package (BOP, CMP), General liability |
New Hampshire publishes its company list through a lookup that can't be read by a program, so the table above is built from the other states' lists, NAIC numbers, the U.S. Treasury's surety list and market share reports. A company missing here may still be licensed in New Hampshire; check the regulator's lookup. Lines are the regulator's licensed lines grouped into common names; a license to write a line doesn't mean a company sells it to every kind of customer. "Admitted" means licensed by the state and backed by its guaranty fund; "surplus lines" means eligible to take risks the admitted market declines, without rate or form approval and without guaranty fund protection.
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