Who writes credit in Washington
The 29 largest writers by premium in 2025 from the Washington Office of the Insurance Commissioner and the Surplus Line Association of Washington market report (a top-29 list, shares of earned premium).
The 29 largest writers of credit in Washington in 2025: Ohio Indemnity Company led with 31.9% of the state's premium; the top five hold 76%.
By Sam Alishahi, independent insurance broker · All lines in Washington
The companies
| # | Company | NAIC | Home state | Status here | Premium | Share |
|---|---|---|---|---|---|---|
| 1 | Ohio Indemnity Company | 26565 | OH | Admitted (licensed) | $15.2M | 31.94% |
| 2 | Euler Hermes North America Insurance Company | 20516 | MD | Admitted (licensed) | $9.4M | 19.72% |
| 3 | Great American Assurance Company | 26344 | OH | Admitted (licensed) | $4.5M | 9.41% |
| 4 | Old Republic Insurance Company | 24147 | PA | Admitted (licensed) | $4.2M | 8.87% |
| 5 | Atradius Trade Credit Insurance, Inc. | 25422 | MD | Admitted (licensed) | $2.7M | 5.71% |
| 6 | Wesco Insurance Company | 25011 | DE | Admitted (licensed) | $1.7M | 3.50% |
| 7 | Liberty Mutual Insurance Company | 23043 | MA | Admitted (licensed) | $1.5M | 3.17% |
| 8 | Securian Casualty Company | 10054 | MN | Admitted (licensed) | $1.3M | 2.76% |
| 9 | U.S. Specialty Insurance Company | 29599 | TX | Admitted (licensed) | $1.2M | 2.59% |
| 10 | Atlantic Specialty Insurance Company | 27154 | NY | Admitted (licensed) | $1.2M | 2.49% |
| 11 | Coface North America Insurance Company | 31887 | MA | Admitted (licensed) | $1.1M | 2.22% |
| 12 | Triton Insurance Company | 41211 | TX | Admitted (licensed) | $778,000 | 1.64% |
| 13 | First Colonial Insurance Company | 29980 | IL | Admitted (licensed) | $466,000 | 0.98% |
| 14 | American National Property and Casualty Company | 28401 | NE | Admitted (licensed) | $351,000 | 0.74% |
| 15 | State Farm Mutual Automobile Insurance Company | 25178 | IL | Admitted (licensed) | $275,000 | 0.58% |
| 16 | American Bankers Insurance Company of Florida | 10111 | FL | Admitted (licensed) | $259,000 | 0.54% |
| 17 | Arch Insurance (UK) Limited | 11150 | MO | Admitted (licensed) | $231,000 | 0.49% |
| 18 | General Security National Insurance Company | 39322 | NY | Admitted (licensed) | $204,000 | 0.43% |
| 19 | National Union Fire Insurance Company of Pittsburgh, Pennsylvania | 19445 | PA | Admitted (licensed) | $202,000 | 0.42% |
| 20 | Cumis Insurance Society Incorporated | 10847 | IA | Admitted (licensed) | $159,000 | 0.33% |
| 21 | STARR INDEMNITY \u0026 LIABILITY COMPANY | 38318 | TX | Admitted (licensed) | $145,000 | 0.30% |
| 22 | Hartford Fire Insurance Company | 19682 | CT | Admitted (licensed) | $125,000 | 0.26% |
| 23 | Allied World Specialty Insurance Company | 16624 | DE | Admitted (licensed) | $120,000 | 0.25% |
| 24 | Great American Insurance Company | 16691 | OH | Admitted (licensed) | $119,000 | 0.25% |
| 25 | Lyndon Southern Insurance Company | 10051 | DE | Admitted (licensed) | $85,000 | 0.18% |
| 26 | Ace American Insurance Company | 22667 | PA | Admitted (licensed) | $45,000 | 0.09% |
| 27 | Ascot Insurance Company | 23752 | CO | Admitted (licensed) | $27,000 | 0.06% |
| 28 | Arch Indemnity Insurance Company | 30830 | MO | Admitted (licensed) | $18,000 | 0.04% |
| 29 | State Farm Fire and Casualty Company | 25143 | IL | Admitted (licensed) | $13,000 | 0.03% |
Method and source
Source: the Washington Office of the Insurance Commissioner and the Surplus Line Association of Washington company list, read 2026-10-17 and the surplus lines list. Washington's authorized list comes from the OIC's 2025 market report (Appendix D), which leaves out authorized companies with no premium that year. Premiums are in thousands. "Premium" is direct premium written in the state for the year shown; "share" is that company's part of the state total for the line. A company can be licensed for a line and write none of it, and a surplus lines insurer can write a line without a state license for it.
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