
Who writes professional liability (E&O) in Oregon
From the Oregon company list; alphabetical, since Oregon doesn't publish every company's premium by line.
36 insurers are licensed for professional liability (E&O) in Oregon on the regulator's list.
By Sam Alishahi, independent insurance broker · All lines in Oregon
The companies
| Company | NAIC | Home state | Status here | Lines |
|---|---|---|---|---|
| Ace American Insurance Company | 22667 | PA | Admitted (licensed) | Aircraft and aviation, Personal auto, Equipment breakdown +15 more |
| Allied World Assurance Company (U.S.) Inc. | 22730 | NH | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| American Casualty Company of Reading, Pennsylvania | 20427 | PA | Admitted (licensed) | Personal auto, Commercial auto, Commercial package (BOP, CMP) +7 more |
| American Home Assurance Company | 19380 | NY | Admitted (licensed) | Equipment breakdown, Commercial package (BOP, CMP), General liability +5 more |
| Aspen American Insurance Company | 43460 | TX | Admitted (licensed) | Equipment breakdown, Commercial package (BOP, CMP), Earthquake +5 more |
| Beazley Insurance Company, Inc. | 37540 | CT | Admitted (licensed) | Crime (burglary and theft), Fidelity bonds, General liability +3 more |
| Berkshire Hathaway Specialty Insurance Company | 22276 | NE | Admitted (licensed) | Personal auto, Commercial auto, Commercial package (BOP, CMP) +6 more |
| Church Mutual Insurance Company, S. I. | 18767 | WI | Admitted (licensed) | Personal auto, Commercial auto, Commercial package (BOP, CMP) +6 more |
| Cincinnati Casualty Company (The) | 28665 | OH | Admitted (licensed) | Personal auto, Equipment breakdown, Commercial auto +12 more |
| Cincinnati Indemnity Company (The) | 23280 | OH | Admitted (licensed) | Personal auto, Equipment breakdown, Commercial auto +9 more |
| Cincinnati Insurance Company (The) | 10677 | OH | Admitted (licensed) | Personal auto, Equipment breakdown, Commercial auto +13 more |
| Continental Casualty Company | 20443 | IL | Admitted (licensed) | Personal auto, Equipment breakdown, Commercial auto +12 more |
| Dentists Insurance Company (The) | 40975 | CA | Admitted (licensed) | Commercial package (BOP, CMP), General liability, Medical malpractice +1 more |
| Doctors' Company (The), An Interinsurance Exchange, The Doctor's Management | 34495 | CA | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| Fair American Insurance and Reinsurance Company | 35157 | NY | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| Fortress Assurance Corporation | 10801 | IL | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| Great Divide Insurance Company | 25224 | ND | Admitted (licensed) | Personal auto, Commercial auto, Commercial package (BOP, CMP) +4 more |
| Hartford Fire Insurance Company | 19682 | CT | Admitted (licensed) | Personal auto, Equipment breakdown, Commercial auto +12 more |
| Liberty Insurance Underwriters, Inc. | 19917 | IL | Admitted (licensed) | Inland marine, General liability, Medical malpractice +1 more |
| MAG Mutual Insurance Company | 42617 | GA | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) +1 more |
| Medical Mutual Insurance Company of North Carolina | 32522 | NC | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| Medical Protective Company (The) | 11843 | IN | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| MMIC Insurance, Inc. | 16942 | MN | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| National Union Fire Insurance Company of Pittsburgh, Pennsylvania | 19445 | PA | Admitted (licensed) | Aircraft and aviation, Personal auto, Equipment breakdown +15 more |
| NCMIC Insurance Company | 15865 | IA | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| NORCAL Insurance Company | 33200 | CA | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| Pharmacists Mutual Insurance Company | 13714 | IA | Admitted (licensed) | Personal auto, Equipment breakdown, Commercial auto +6 more |
| Physicians Insurance A Mutual Company (C) | 40738 | WA | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| Preferred Professional Insurance Company | 36234 | NE | Admitted (licensed) | Personal auto, Commercial auto, General liability +2 more |
| ProAssurance Indemnity Company, Inc. | 33391 | AL | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| ProAssurance Insurance Company of America | 14460 | IL | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| Professional Solutions Insurance Company | 11127 | IA | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| ProSelect Insurance Company | 10638 | NE | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| State Farm Fire and Casualty Company | 25143 | IL | Admitted (licensed) | Personal auto, Commercial auto, Commercial package (BOP, CMP) +11 more |
| TDC National Assurance Company | 41050 | OR | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
| UMIA Insurance, Inc. | 36676 | UT | Admitted (licensed) | General liability, Medical malpractice, Professional liability (E&O) |
Method and source
Source: the Oregon insurance regulator company list, read 2026-10-18 and the surplus lines list. Admitted = companies in Oregon DFR's 2025 market-share PDFs (property-casualty-totals.pdf plus the per-line PDFs linked from the financial-statements page). Some per-line PDFs (the life ones) still show 2024 data. Only insurers authorized in Oregon appear and companies with zero Oregon premium are excluded, so a licensed company that wrote nothing is missing. Names are NAIC short names (Ins Co, Amer, Natl). type comes from which reports list the company (Property & Casualty first, then Accident & Health, Life, Title); lines are the 'Line of Business' headers of the per-line PDFs the company appears in, spelled as published. since is not published. Surplus lines = SLAOR's eligible insurer listing (current names only; 78 former-name history rows and the 'MISCELLANEOUS - requires prior approval' placeholder dropped). It has no NAIC codes, domicile or eligibility dates, and none of its insurers appear in the DFR market-share PDFs, so naic is empty and must be filled by name in the merge. alien is a heuristic: foreign corporate suffix (Ltd/SE/AG/S.A./DAC/Club...), a US process-agent law firm as the address, or no US city/state/zip on file. "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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