Source chain
We combine SIC sector classification, SEC company coverage, and financial statistics into one industry profile.
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61 public companies · 61 exchange-listed
Source: SEC EDGAR XBRL filings and Sprytne sector aggregates. Updated 2026-03-29T05:56:57.120Z. The page is designed for comparative research, not investment advice.
Source: SEC EDGAR XBRL filings and Sprytne sector aggregates. Updated 2026-03-29T05:56:57.120Z.
Why this industry page is useful for search, retrieval, and sector benchmarking.
Source chain
We combine SIC sector classification, SEC company coverage, and financial statistics into one industry profile.
Retrieval model
The page surfaces the strongest sector signals first so Google and LLMs can jump directly into the right company graph.
Quality gate
Only sectors with real SEC-linked company coverage are published, and the page reflects the latest available source snapshot 2026-03-29T05:56:57.120Z.
Tiny provenance blocks keep this hub citation-friendly and easier for retrieval systems to chunk.
Sector core
SIC classification, SEC coverage, and benchmark stats define the sector identity layer.
Comparative layer
Top performers, state concentration, and related sectors give the page a strong internal comparison path.
Retrieval shape
Short structured blocks help Google and LLMs move from the sector overview into the right company graph.
61
Total Companies
61
Exchange Listed
58
Filed 10-K
17
States Represented
Total Sector Revenue
$614.56B
Aggregate of 58 companies with XBRL data
Avg Net Margin
18.3%
Highly lucrative sector· Based on 58 filings
Sector Analysis · Sprytne.com
As of July 2026, the Fire, Marine & Casualty Insurance sector (SIC 6331) reports a combined revenue of $614.56B across 58 SEC-tracked entities. With an average net margin of 18.3%, this industry is classified as moderately profitable. BERKSHIRE HATHAWAY INC leads the sector with $247.24B in reported revenue. The data is derived exclusively from official SEC EDGAR XBRL submissions and reflects the most recently filed 10-K annual reports.
Data aggregated from SEC EDGAR XBRL submissions · Updated March 2026
| Rank | Company | Revenue | Net Income | Net Margin | vs Industry Avg |
|---|---|---|---|---|---|
| #1 | BERKSHIRE HATHAWAY INCBRK-B | $247.24B | $66.97B | 27.1% | +8.8pp |
| #2 | PROGRESSIVE CORP/OH/PGR | $87.67B | $11.31B | 12.9% | -5.4pp |
| #3 | Chubb LtdCB | $59.40B | $10.31B | 17.4% | -0.9pp |
| #4 | TRAVELERS COMPANIES, INC.TRV | $48.83B | $6.29B | 12.9% | -5.4pp |
| #5 | AMERICAN INTERNATIONAL GROUP, INC.AIG | $26.77B | $3.10B | 11.6% | -6.7pp |
| Industry Average | $10.60B | $2.38B | 18.3% | baseline | |
ALLSTATE CORP
CIK: 0000899051 · DE · 10-K: 2026-02-20
AMERICAN COASTAL INSURANCE Corp
CIK: 0001401521 · DE · 10-K: 2026-03-09
AMERICAN FINANCIAL GROUP INC
CIK: 0001042046 · OH · 10-K: 2026-02-25
American Integrity Insurance Group, Inc.
CIK: 0002007587 · · 10-K: 2026-02-27
AMERICAN INTERNATIONAL GROUP, INC.
CIK: 0000005272 · DE · 10-K: 2026-02-12
AMERISAFE INC
CIK: 0001018979 · TX · 10-K: 2026-02-27
ARCH CAPITAL GROUP LTD.
CIK: 0000947484 · · 10-K: 2026-02-26
ASPEN INSURANCE HOLDINGS LTD
CIK: 0001267395 · D0 · 10-K: 2019-02-13
Ategrity Specialty Insurance Co Holdings
CIK: 0002040491 · DE · 10-K: 2026-03-06
AXIS CAPITAL HOLDINGS LTD
CIK: 0001214816 · · 10-K: 2026-02-27
BERKLEY W R CORP
CIK: 0000011544 · DE · 10-K: 2026-02-27
BERKSHIRE HATHAWAY INC
CIK: 0001067983 · DE · 10-K: 2026-03-02
Bowhead Specialty Holdings Inc.
CIK: 0002002473 · DE · 10-K: 2026-02-24
Chubb Ltd
CIK: 0000896159 · V8 · 10-K: 2026-02-27
CINCINNATI FINANCIAL CORP
CIK: 0000020286 · OH · 10-K: 2026-02-23
CNA FINANCIAL CORP
CIK: 0000021175 · DE · 10-K: 2026-02-10
DONEGAL GROUP INC
CIK: 0000800457 · DE · 10-K: 2026-03-06
Employers Holdings, Inc.
CIK: 0001379041 · NV · 10-K: 2026-02-26
EVEREST GROUP, LTD.
CIK: 0001095073 · D0 · 10-K: 2026-02-26
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN
CIK: 0000915191 · Z4
Fidelis Insurance Holdings Ltd
CIK: 0001636639 · D0
Forge Group, Inc.
CIK: 0001846702 · PA
Global Indemnity Group, LLC
CIK: 0001494904 · DE · 10-K: 2026-03-10
GREENLIGHT CAPITAL RE, LTD.
CIK: 0001385613 · · 10-K: 2026-03-09
Hamilton Insurance Group, Ltd.
CIK: 0001593275 · D0 · 10-K: 2026-02-25
HANOVER INSURANCE GROUP, INC.
CIK: 0000944695 · DE · 10-K: 2026-02-20
HARTFORD INSURANCE GROUP, INC.
CIK: 0000874766 · DE · 10-K: 2026-02-20
HCI Group, Inc.
CIK: 0001400810 · FL · 10-K: 2026-02-26
Heritage Insurance Holdings, Inc.
CIK: 0001598665 · DE · 10-K: 2026-03-12
Hippo Holdings Inc.
CIK: 0001828105 · DE · 10-K: 2026-03-05
Showing 30 of 61 companies in this sector
Fire, Marine & Casualty Insurance is the SEC SIC category used to group companies with similar business models and financial reporting patterns.
The page is refreshed from the underlying SEC-driven company index on deploy and when the cached data changes.
Some companies do not have recent usable XBRL filings or do not expose enough data for every benchmark on the page.
Use them to compare leaders, spot high-margin companies, and move into the individual company pages for deeper analysis.