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Directory · Medical malpractice · Updated 2026-10-18

Medical malpractice insurance companies

Every insurer licensed for medical malpractice on the state regulator lists loaded so far, with NAIC numbers and where each is admitted or writes surplus lines, plus the largest writers where regulators publish premium by company.

388 companies are licensed for medical malpractice in at least one of the loaded states; 76 of them also work as surplus lines insurers somewhere. Pick a state for the ranked list there.

By Sam Alishahi, independent insurance broker · All lines

By state

Medical malpractice by state

Largest writers

Who writes the most medical malpractice

Direct premium written, summed across the states whose regulators publish every company (California, Illinois, North Carolina, South Dakota, Texas, Wisconsin).

CompanyNAICHome statePremium (those states)Where
Doctors' Company (The), An Interinsurance Exchange, The Doctor's Management34495CA$261.4MCalifornia, Illinois, North Carolina, South Dakota, Texas
ISMIE Mutual Insurance Company32921IL$181.3MIllinois, North Carolina, Texas, Wisconsin
Medical Protective Company (The)11843IN$152.5MCalifornia, Illinois, North Carolina, South Dakota, Texas, Wisconsin
NORCAL Insurance Company33200CA$87.1MCalifornia, Illinois, North Carolina, Texas, Wisconsin
American Casualty Company of Reading, Pennsylvania20427PA$85.1MCalifornia, Illinois, North Carolina, South Dakota, Texas, Wisconsin
Medical Mutual Insurance Company of North Carolina32522NC$47.0MNorth Carolina, Texas
MAG Mutual Insurance Company42617GA$43.0MCalifornia, Illinois, North Carolina, South Dakota, Texas, Wisconsin
ProAssurance Indemnity Company, Inc.33391AL$37.3MCalifornia, Illinois, North Carolina, South Dakota, Texas, Wisconsin
Professional Security Insurance Company11811AZ$35.7MIllinois, North Carolina
Columbia Casualty Company31127IL$33.7MIllinois, North Carolina
Dentists Insurance Company (The)40975CA$32.1MCalifornia, Illinois
Medical Insurance Exchange Of California32433CA$31.6MCalifornia
NATIONAL FIRE \u0026 MARINE INSURANCE COMPANY\20079NE$28.9MIllinois, North Carolina
Ironshore Specialty Insurance Company25445AZ$27.4MIllinois, North Carolina
Ace American Insurance Company22667PA$21.7MCalifornia, Illinois, North Carolina, South Dakota, Texas, Wisconsin
All companies

Every insurer licensed for medical malpractice

CompanyNAICHome stateAdmitted inSurplus lines inLines
Academic Medical Professionals Insurance RRG, LLC12934VT60General liability, Medical malpractice, Professional liability (E&O)
Accredited Surety and Casualty Company, Inc.26379FL350Personal auto, Equipment breakdown, Commercial auto +16 more
Ace American Insurance Company22667PA350Aircraft and aviation, Personal auto, Equipment breakdown +21 more
Ace Fire Underwriters Insurance Company20702PA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Ace Property and Casualty Insurance Company20699PA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Acstar Insurance Company22950IL340Aircraft and aviation, Personal auto, Equipment breakdown +14 more
ACUITY, A Mutual Insurance Company14184WI240Aircraft and aviation, Personal auto, Equipment breakdown +14 more
Admiral Insurance Company24856DE523General liability, Medical malpractice, Professional liability (E&O)
Affiliates Insurance Reciprocal, a Risk Retention Group13677VT70General liability, Medical malpractice, Professional liability (E&O)
AGCS Marine Insurance Company22837IL350Aircraft and aviation, Personal auto, Equipment breakdown +12 more
AIG Property Casualty Company19402IL340Aircraft and aviation, Personal auto, Equipment breakdown +16 more
AIU Insurance Company19399NY350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
AIX Specialty Insurance Company12833DE523Personal auto, Equipment breakdown, Commercial auto +6 more
Alea North America Insurance Company24899NY300Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Allied Insurance Company of America10127OH320Personal auto, Equipment breakdown, Commercial auto +14 more
Allied Professionals Insurance Company, A Risk Retention Group, Inc.11710AZ60General liability, Medical malpractice, Professional liability (E&O)
Allied World Assurance Company (U.S.) Inc.22730NH350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Allied World Assurance Company (U.S.), Inc.19489DE718Personal auto, Equipment breakdown, Commercial auto +10 more
Allied World National Assurance Company10690NH322Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Allied World Specialty Insurance Company16624DE350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Allied World Surplus Lines Insurance Company24319AR423Personal auto, Equipment breakdown, Commercial auto +7 more
AMCO Insurance Company19100IA290Personal auto, Equipment breakdown, Commercial auto +16 more
American Alternative Insurance Corporation19720DE350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
American Association of Orthodontists Insurance Company (a RRG)10232AZ90General liability, Medical malpractice, Professional liability (E&O)
American Automobile Insurance Company21849MO350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
American Casualty Company of Reading, Pennsylvania20427PA350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
American Excess Insurance Exchange, Risk Retention Group10903VT60General liability, Medical malpractice, Professional liability (E&O)
American Fire and Casualty Company24066NH340Aircraft and aviation, Personal auto, Equipment breakdown +16 more
American Guarantee and Liability Insurance Company26247NY350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
American Home Assurance Company19380NY350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
American States Insurance Company19704IN350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
American Zurich Insurance Company40142IL350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Amerisure Insurance Company19488MI340Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Amerisure Mutual Insurance Company23396MI330Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Ameritrust Insurance Corporation10665MI80Personal auto, Commercial auto, Commercial package (BOP, CMP) +8 more
AMEX Assurance Company27928IL350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
AmGUARD Insurance Company42390NE350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Applied Medico-Legal Solutions Risk Retention Group, Inc.11598AZ60Medical malpractice
Arch Insurance (UK) Limited11150MO350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Arch Property Casualty Insurance Company10946MO271Aircraft and aviation, Personal auto, Equipment breakdown +14 more
Arch Reinsurance Ltd. (Bermuda)10348DE290Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Arch Specialty Insurance Company21199MO523Personal auto, Equipment breakdown, Commercial auto +12 more
Ascot Specialty Insurance Company45055RI518Personal auto, Commercial auto, Commercial package (BOP, CMP) +5 more
Aspen American Insurance Company43460TX350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Aspen Specialty Insurance Company10717ND721Personal auto, Commercial auto, Commercial package (BOP, CMP) +8 more
Atlantic Specialty Insurance Company27154NY340Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Automobile Insurance Company of Hartford, Connecticut (The)19062CT350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
AXA XL Insurance Company of Americas19518DE320Aircraft and aviation, Personal auto, Equipment breakdown +16 more
AXIS Reinsurance Company20370NY350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
AXIS Surplus Insurance Company26620IL423Personal auto, Equipment breakdown, Commercial auto +10 more
Bankers Standard Insurance Company18279PA350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Beazley Excess and Surplus Insurance, Inc. (C)17520CT519Commercial package (BOP, CMP), Fidelity bonds, Homeowners +4 more
Beazley Insurance Company, Inc.37540CT350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Berkley Assurance Company32603DE350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Berkley Assurance Company39462IA518Personal auto, Commercial auto, General liability +2 more
Berkley National Insurance Company38911IA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Berkley Regional Insurance Company29580IA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Berkshire Hathaway Direct Insurance Company10391NE350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Berkshire Hathaway Specialty Insurance Company22276NE350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Bold Risk Retention Group, Inc.17677AL50General liability, Medical malpractice, Professional liability (E&O)
Bridgeway Insurance Company ( Formerly American Modern Surplus Lines Insurance Company12489DE523Personal auto, Equipment breakdown, Commercial auto +8 more
Bristol West Insurance Company19658OH210Aircraft and aviation, Personal auto, Commercial auto +13 more
California Healthcare Insurance Company, a Risk Retention Group44504HI40General liability, Medical malpractice, Professional liability (E&O)
CAMPMED CASUALTY \u0026 INDEMNITY COMPANY, INC.12260NH330Personal auto, Equipment breakdown, Crime (burglary and theft) +10 more
Capacity Insurance Company32930FL20Aircraft and aviation, Personal auto, Commercial auto +15 more
Capitol Indemnity Corporation10472WI350Personal auto, Equipment breakdown, Commercial auto +13 more
Capitol Specialty Insurance Corporation10328WI522Commercial package (BOP, CMP), General liability, Medical malpractice +1 more
Caring Communities, a Reciprocal Risk Retention Group12373DC70General liability, Medical malpractice, Professional liability (E&O)
Centre Insurance Company34649DE300Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Cerity Insurance Company10006NY290Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Charter Oak Fire Insurance Company, (The)25615CT350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Chicago Insurance Company22810IL340Aircraft and aviation, Personal auto, Equipment breakdown +14 more
Chiron Insurance Company16356IA280Personal auto, Equipment breakdown, Commercial auto +14 more
Chubb Custom Insurance Company38989NJ523Personal auto, Equipment breakdown, Commercial auto +11 more
Church Insurance Company (The)10669NY210Aircraft and aviation, Personal auto, Equipment breakdown +11 more
Church Mutual Insurance Company, S. I.18767WI340Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Cincinnati Casualty Company (The)28665OH350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Cincinnati Indemnity Company (The)23280OH350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Cincinnati Insurance Company (The)10677OH350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Cincinnati Specialty Underwriters Insurance Company (The)13037DE523Equipment breakdown, Crime (burglary and theft), Homeowners +5 more
City National Insurance Company41335TX330Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Clarendon National Insurance Company20532TX320Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Clinician Assurance Inc., a Risk Retention Group16851VT50General liability, Medical malpractice, Professional liability (E&O)
CM Regent Insurance Company12356WI270Personal auto, Equipment breakdown, Commercial auto +11 more
Columbia Casualty Company31127IL423Personal auto, Equipment breakdown, Commercial auto +11 more
Commerce and Industry Insurance Company19410NY350Aircraft and aviation, Personal auto, Equipment breakdown +14 more
Community Blood Centers' Exchange, Risk Retention Group13893IN70General liability, Medical malpractice, Professional liability (E&O)
Concert Insurance Company10891IL290Personal auto, Equipment breakdown, Commercial auto +16 more
Continental Casualty Company20443IL350Aircraft and aviation, Personal auto, Equipment breakdown +20 more
Continental Heritage Insurance Company39551FL301Personal auto, Fidelity bonds, General liability +3 more
Continental Insurance Company, (The)35289PA350Aircraft and aviation, Personal auto, Equipment breakdown +21 more
Continuing Care Risk Retention Group, Inc.11798VT60General liability, Medical malpractice, Professional liability (E&O)
COPIC Insurance Company11860CO170Personal auto, General liability, Medical malpractice +2 more
COPIC, a Risk Retention Group14906DC90General liability, Medical malpractice, Professional liability (E&O)
Coverys Risk Retention Group, Inc.14160DC60General liability, Medical malpractice, Professional liability (E&O)
Coverys Specialty Insurance Company15686NJ421General liability, Medical malpractice, Professional liability (E&O)
CPP Insurance Company11694SC60General liability, Medical malpractice
Dellwood Specialty Insurance Company17332AZ419Personal auto, Equipment breakdown, Commercial auto +7 more
Dentists Insurance Company (The)40975CA260Personal auto, Equipment breakdown, Commercial package (BOP, CMP) +11 more
Depositors Insurance Company42587IA310Personal auto, Equipment breakdown, Commercial auto +14 more
Diamond State Insurance Company42048IN350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Doctors Company Risk Retention Group, A Reciprocal Exchange, The14347DC80General liability, Medical malpractice, Professional liability (E&O)
Doctors Professional Liability Risk Retention Group, Inc.15893NC50General liability, Medical malpractice, Professional liability (E&O)
Doctors' Company (The), An Interinsurance Exchange, The Doctor's Management34495CA340Personal auto, Crime (burglary and theft), Glass +8 more
Dorinco Reinsurance Company33499MI170Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Eastern Dentists Insurance Company (A Dental Society Risk Rention Group)10115VT10Medical malpractice
EastGuard Insurance Company14702NE350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Emergency Capital Management, a Risk Retention Group, LLC14163VT80General liability, Medical malpractice, Professional liability (E&O)
Emergency Medicine Professional Assurance Company Risk Retention Group12003NV80General liability, Medical malpractice, Professional liability (E&O)
Empire Fire and Marine Insurance Company21326IL340Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Endurance American Insurance Company10641DE350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Endurance American Specialty Insurance Company41718DE523Equipment breakdown, Commercial package (BOP, CMP), Earthquake +6 more
Endurance Assurance Corporation11551DE350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Evanston Insurance Company35378IL821Personal auto, Equipment breakdown, Commercial auto +12 more
Everest Denali Insurance Company16044DE350Personal auto, Equipment breakdown, Commercial auto +14 more
Everest Indemnity Insurance Company10851DE522Personal auto, Commercial auto, Commercial package (BOP, CMP) +9 more
Everest National Insurance Company10120DE350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Everest Premier Insurance Company16045DE350Personal auto, Equipment breakdown, Commercial auto +14 more
Everest Reinsurance (Bermuda) Limited -26921DE350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Evergreen National Indemnity Company12750OH332Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Executive Risk Indemnity, Inc.35181DE350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Fair American Insurance and Reinsurance Company35157NY350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Fair American Select Insurance Company15201DE522General liability, Medical malpractice, Professional liability (E&O)
Farmers Property and Casualty Insurance Company26298RI320Aircraft and aviation, Personal auto, Equipment breakdown +18 more
FD Insurance Company12441AL20General liability, Medical malpractice, Workers' compensation
Federal Insurance Company20281IN350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Fidelity and Guaranty Insurance Underwriters, Inc.25879WI330Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Fireman's Fund Insurance Company21873IL340Aircraft and aviation, Personal auto, Equipment breakdown +18 more
First Financial Insurance Company11177IL340Aircraft and aviation, Personal auto, Equipment breakdown +15 more
First National Insurance Company of America24724NH350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Florida Insurance and Reinsurance Company17811FL25Aircraft and aviation, Personal auto, Commercial auto +12 more
FMH Ag Risk Insurance Company36781IA250Aircraft and aviation, Personal auto, Equipment breakdown +12 more
Foremost Insurance Company Grand Rapids, Michigan11185MI350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Fortress Assurance Corporation10801IL340Personal auto, General liability, Medical malpractice +2 more
Franklin Casualty Insurance Company, A Risk Retention Group10842VT70General liability, Medical malpractice, Professional liability (E&O)
Future Care Risk Retention Group, Inc.16661AL60General liability, Medical malpractice, Professional liability (E&O)
General Casualty Company of Wisconsin24414WI350Personal auto, Equipment breakdown, Commercial auto +14 more
General Insurance Company of America24732NH350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
General Reinsurance Corporation22039DE320Aircraft and aviation, Personal auto, Equipment breakdown +18 more
General Security National Insurance Company39322NY350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
General Star Indemnity Company37362DE523Equipment breakdown, Earthquake, Inland marine +4 more
General Star National Insurance Company11967DE350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Generali (United States Branch)11231NY330Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Genesis Insurance Company38962DE340Aircraft and aviation, Personal auto, Equipment breakdown +17 more
GIG Risk Retention Group, Inc.17792NV50General liability, Medical malpractice, Professional liability (E&O)
Granite State Insurance Company23809IL350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Graph Insurance Group, Rrg, Llc16415VT50General liability, Medical malpractice, Professional liability (E&O)
Great American Assurance Company26344OH350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Great American Fidelity Insurance Company41858OH423General liability, Medical malpractice, Ocean marine +2 more
Great American Insurance Company16691OH330Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Great American Insurance Company of New York22136NY350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Great Divide Insurance Company25224ND350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Great Midwest Insurance Company18694TX350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Great Northern Insurance Company20303IN350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Green Hills Insurance Company, A Risk Retention Group11941VT60General liability, Medical malpractice, Professional liability (E&O)
Greenwich Insurance Company22322DE350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Greystone Insurance Company10019CT320Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Guarantee Company of North America USA (The)36650AR350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
GuideOne America Insurance Company42331IA150Personal auto, Equipment breakdown, Commercial auto +13 more
GuideOne Elite Insurance Company42803IA310Personal auto, Equipment breakdown, Commercial auto +14 more
GuideOne Insurance Company15032IA350Personal auto, Equipment breakdown, Commercial auto +15 more
GuideOne Specialty Insurance Company14559IA330Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Hallmark Specialty Insurance Company26808OK518Personal auto, Commercial auto, Earthquake +4 more
Hamilton Select Insurance, Inc.17178DE519General liability, Medical malpractice, Professional liability (E&O)
Hartford Accident and Indemnity Company22357CT350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Hartford Casualty Insurance Company29424IN350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Hartford Fire Insurance Company19682CT350Aircraft and aviation, Personal auto, Equipment breakdown +20 more
Hartford Insurance Company of the Midwest37478IN350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Hartford Insurance Company of the Southeast38261CT220Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Hartford Underwriters Insurance Company30104CT350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Health Care Indemnity Incorporated35904CO116Aircraft and aviation, Personal auto, Commercial auto +14 more
Health Care Industry Liability Reciprocal Insurance Company, A Risk Retention Group11832DC70General liability, Medical malpractice, Professional liability (E&O)
Health Providers Insurance Reciprocal, a Risk Retention Group10080HI20Medical malpractice
Healthcare Professional Long Term Care Risk Retention Group, Inc.16957AL80General liability, Medical malpractice, Professional liability (E&O)
Healthcare Professional Risk Retention Group, Inc.16383NC70General liability, Medical malpractice, Professional liability (E&O)
HealthStar Risk Retention Group, LLC17756AL50General liability, Medical malpractice, Professional liability (E&O)
Hilltop Specialty Insurance Company37079NY522Personal auto, Equipment breakdown, Commercial auto +5 more
Hiscox Insurance Company (Bermuda), Ltd.10200IL350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Homeland Insurance Company of Delaware14231DE23Earthquake, General liability, Medical malpractice +2 more
Homeland Insurance Company of New York34452NY521Personal auto, Equipment breakdown, Commercial auto +8 more
Homesite Insurance Company17221MA322Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Homesite Insurance Company of Florida11156IL419Commercial package (BOP, CMP), Earthquake, Fidelity bonds +4 more
Houston Specialty Insurance Company12936TX721Aircraft and aviation, Personal auto, Commercial auto +14 more
Hudson Insurance Company25054DE340Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Illinois Union Insurance Company27960IL423Aircraft and aviation, Personal auto, Equipment breakdown +12 more
Imperium Insurance Company35408TX350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Indemnity Insurance Company of North America43575PA350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Indiana Insurance Company22659IN90Personal auto, Commercial auto, Commercial package (BOP, CMP) +12 more
Indigo Risk Retention Group Inc.17484SC80General liability, Medical malpractice, Professional liability (E&O)
Insurance Company of North America22713PA340Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Insurance Company of the State of Pennsylvania (The)19429IL340Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Insurance Company of the West27847CA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Integris Assurance Company13793FL80Personal auto, General liability, Medical malpractice +2 more
INTERSTATE FIRE \u0026 CASUALTY COMPANY\22829IL423Personal auto, Equipment breakdown, Commercial auto +9 more
Ironshore Indemnity, Inc.23647IL350Personal auto, Equipment breakdown, Commercial auto +17 more
Ironshore Specialty Insurance Company25445AZ722Aircraft and aviation, Personal auto, Commercial auto +8 more
ISMIE Indemnity Company11084IL421General liability, Medical malpractice, Professional liability (E&O)
ISMIE Mutual Insurance Company32921IL280Personal auto, General liability, Medical malpractice +2 more
James River Insurance Company12203OH422Personal auto, Commercial auto, Commercial package (BOP, CMP) +5 more
KaMMCO Casualty Company, Inc.15735KS30Medical malpractice
Kansas Medical Mutual Insurance Company34703KS20General liability, Medical malpractice
Keystone Mutual Insurance Company13073MO10Medical malpractice
Kinsale Insurance Company38920AR421Aircraft and aviation, Earthquake, Homeowners +6 more
Lammico Risk Retention Group, Inc.14444DC20Medical malpractice
Lexington Insurance Company19437DE721Personal auto, Equipment breakdown, Commercial auto +12 more
Liberty Insurance Underwriters, Inc.19917IL350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Liberty Mutual Fire Insurance Company23035WI350Aircraft and aviation, Personal auto, Equipment breakdown +20 more
Liberty Mutual Insurance Company42404IL350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Liberty Surplus Insurance Corporation10725NH422Personal auto, Equipment breakdown, Commercial auto +9 more
Lone Star Alliance, Inc., a Risk Retention Group15211DC70General liability, Medical malpractice, Professional liability (E&O)
MAG Mutual Insurance Company42617GA330Personal auto, Commercial package (BOP, CMP), Crime (burglary and theft) +8 more
Markel American Insurance Company28932VA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Medical Alliance Ins Co11861IL10General liability, Medical malpractice, Professional liability (E&O)
Medical Insurance Exchange Of California32433CA60General liability, Medical malpractice, Workers' compensation
Medical Liab Alliance10686MO20General liability, Medical malpractice, Professional liability (E&O)
Medical Mutual Insurance Company of North Carolina32522NC250Personal auto, General liability, Medical malpractice +2 more
Medical Protective Company (The)11843IN350Aircraft and aviation, Personal auto, Equipment breakdown +14 more
Medical Security Insurance Company33090NC620General liability, Medical malpractice, Professional liability (E&O)
Medicus Insurance Company12754TX230Personal auto, Crime (burglary and theft), Glass +6 more
Medmarc Casualty Insurance Company22241VT350Personal auto, Commercial auto, Commercial package (BOP, CMP) +10 more
MedPro RRG Risk Retention Group13589DC60General liability, Medical malpractice, Professional liability (E&O)
MIC General Insurance Corporation38660IL320Aircraft and aviation, Personal auto, Equipment breakdown +18 more
MIC Property and Casualty Insurance Corporation38601MI350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
MIDWEST INSURANCE GROUP, INC., a RISK RETENTION GROUP11999VT90General liability, Medical malpractice, Professional liability (E&O)
Missouri Doctors Mutual Insurance Company11964MO10Medical malpractice
Missouri Hospital Plan27642MO10General liability, Medical malpractice
Mitsui Sumitomo Insurance Company of America20362NY350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Mitsui Sumitomo Insurance USA Inc.22551NY350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
MMIC Insurance, Inc.16942MN170General liability, Medical malpractice, Professional liability (E&O) +1 more
MMIC Risk Retention Group, Inc.14062DC70General liability, Medical malpractice, Professional liability (E&O)
MS Transverse Specialty Insurance Company41807TX521Aircraft and aviation, Personal auto, Equipment breakdown +19 more
MSIG Specialty Insurance USA Inc.34886NY720Personal auto, Commercial auto, Commercial package (BOP, CMP) +6 more
Mt. Hawley Insurance Company37974IL423Equipment breakdown, Commercial auto, Commercial package (BOP, CMP) +8 more
Munich Reinsurance America, Inc.10227DE320Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Mutual Insurance Company Of Arizona32832AZ50General liability, Medical malpractice, Professional liability (E&O)
National American Insurance Company23663OK350Personal auto, Equipment breakdown, Commercial auto +14 more
National Casualty Company11991OH350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
NATIONAL FIRE \u0026 MARINE INSURANCE COMPANY\20079NE523Aircraft and aviation, Personal auto, Equipment breakdown +12 more
National Fire Insurance Company of Hartford20478IL350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
National Guardian Risk Retention Group, Inc.36072HI70General liability, Medical malpractice, Professional liability (E&O)
National Indemnity Company20087NE323Aircraft and aviation, Personal auto, Equipment breakdown +14 more
NATIONAL LIABILITY \u0026 FIRE INSURANCE COMPANY20052CT350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
National Surety Corporation21881IL350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
National Union Fire Insurance Company of Pittsburgh, Pennsylvania19445PA350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Nationwide Mutual Insurance Company23787OH330Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Nationwide Property and Casualty Insurance Company37877OH330Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Nautilus Insurance Company17370AZ423Personal auto, Equipment breakdown, Commercial auto +6 more
Navigators Specialty Insurance Company36056NY522Commercial package (BOP, CMP), Inland marine, General liability +3 more
NCMIC Insurance Company15865IA350Personal auto, Glass, General liability +5 more
NCMIC Risk Retention Group, Inc.14130VT70General liability, Medical malpractice, Professional liability (E&O)
Nevada Mutual Insurance Company Inc.11260MA20General liability, Medical malpractice, Workers' compensation
NORCAL Insurance Company33200CA320Personal auto, General liability, Medical malpractice +2 more
NORCAL Specialty Insurance Company35114TX619Personal auto, General liability, Medical malpractice +1 more
NorGUARD Insurance Company31470NE350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
North River Insurance Company (The)21105NJ350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Notting Hill Risk Retention Group, LLC17052AL50General liability, Medical malpractice, Professional liability (E&O)
Obsidian Specialty Insurance Company16871DE518Personal auto, Commercial auto, Earthquake +6 more
Odyssey Reinsurance Company23680CT290Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Ohio Casualty Insurance Company (The)24074NH350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Ohio Farmers Insurance Company24104OH300Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Old Republic Insurance Company24147PA350Aircraft and aviation, Personal auto, Equipment breakdown +20 more
OMS National Insurance Company44121IL70General liability, Medical malpractice, Professional liability (E&O)
Ophthalmic Mutual Insurance Company (A Risk Retention Group)44105VT80General liability, Medical malpractice, Professional liability (E&O)
ORCA RRG Inc17368MT10Medical malpractice
Pacific Employers Insurance Company22748PA350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Pacific Indemnity Company20346DE350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Park National Insurance Company10859DE340Aircraft and aviation, Personal auto, Equipment breakdown +13 more
Peace Church Risk Retention Group, Inc.11846VT50General liability, Medical malpractice, Professional liability (E&O)
Peak Property and Casualty Insurance Corporation18139WI300Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Peerless Indemnity Insurance Company18333IL330Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Pennsylvania Insurance Company21962NM320Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Pharmacists Mutual Insurance Company13714IA350Personal auto, Equipment breakdown, Commercial auto +15 more
Philadelphia Indemnity Insurance Company18058PA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Phoenix Insurance Company, (The)25623CT350Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Physicians Insurance A Mutual Company (C)40738WA230Personal auto, Fidelity bonds, Inland marine +7 more
Physicians Insurance Company11588FL20Personal auto, General liability, Medical malpractice
Physicians Insurance Mutual13194MO10Medical malpractice
Physicians Insurance Risk Retention Group, Inc.15738VT70General liability, Medical malpractice, Professional liability (E&O)
Positive Physicians Insurance Company11863PA130Personal auto, General liability, Medical malpractice +2 more
PracticeProtection Casualty Company12843FL80Personal auto, General liability, Medical malpractice +2 more
Practiceprotection Insurance Company (A Rrg)16189AL50General liability, Medical malpractice, Professional liability (E&O)
Preferred Physicians Medical Risk Retention Group, a Mutual Insurance Company44083MO80General liability, Medical malpractice, Professional liability (E&O)
Preferred Professional Insurance Company36234NE340Personal auto, Equipment breakdown, Commercial auto +9 more
Primary Care Insurance, Rrg, Inc.16959AL20General liability, Medical malpractice, Professional liability (E&O)
Princeton Excess and Surplus Lines Insurance Company (The)10786DE522Personal auto, Equipment breakdown, Commercial auto +11 more
Princeton Insurance Company42226NJ70General liability, Medical malpractice, Professional liability (E&O) +1 more
ProAssurance American Mutual, A Risk Retention Group15647DC70General liability, Medical malpractice, Professional liability (E&O)
ProAssurance Indemnity Company, Inc.33391AL340Personal auto, Inland marine, General liability +5 more
ProAssurance Insurance Company of America14460IL330Personal auto, General liability, Medical malpractice +2 more
ProAssurance Specialty Insurance Company17400VT423General liability, Medical malpractice, Professional liability (E&O)
Professional Security Insurance Company11811AZ423General liability, Medical malpractice, Professional liability (E&O)
Professional Solutions Insurance Company11127IA340Aircraft and aviation, Personal auto, Equipment breakdown +13 more
Progressive American Insurance Company24252FL133Personal auto, Commercial auto, Earthquake +10 more
Progressive Bayside Insurance Company17350OH30Personal auto, Commercial auto, Fidelity bonds +7 more
Progressive Southeastern Insurance Company38784IN90Personal auto, Commercial auto, Commercial package (BOP, CMP) +10 more
Property and Casualty Insurance Company of Hartford34690IN330Aircraft and aviation, Personal auto, Equipment breakdown +16 more
ProSelect Insurance Company10638NE340Personal auto, General liability, Medical malpractice +5 more
PROTECTIVE PROPERTY \u0026 CASUALTY INSURANCE COMPANY35769MO350Aircraft and aviation, Personal auto, Commercial auto +15 more
QBE Insurance (Europe) Limited39217PA350Aircraft and aviation, Personal auto, Equipment breakdown +20 more
QBE Specialty Insurance Company11515ND423Aircraft and aviation, Personal auto, Equipment breakdown +13 more
Regent Insurance Company24449WI350Personal auto, Equipment breakdown, Commercial auto +13 more
Renaissance Reinsurance U.S. Inc. (C)10357MD110Aircraft and aviation, Personal auto, Commercial auto +11 more
Response Insurance Company43044IL310Aircraft and aviation, Personal auto, Equipment breakdown +13 more
Response Worldwide Insurance Company26050IL230Personal auto, Commercial auto, Commercial package (BOP, CMP) +10 more
Richmond National Insurance Company17103NH520Equipment breakdown, Inland marine, General liability +3 more
Risk Underwriters Group, LLC, a Risk Retention Group17635VT60General liability, Medical malpractice, Professional liability (E&O)
RLI Insurance Company13056IL350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Rockhill Insurance Company28053AZ419Commercial package (BOP, CMP), General liability, Medical malpractice +2 more
ROOT PROPERTY \u0026 CASUALTY INSURANCE COMPANY24503OH300Aircraft and aviation, Personal auto, Equipment breakdown +13 more
RSUI Indemnity Company22314NH350Personal auto, Equipment breakdown, Commercial package (BOP, CMP) +9 more
Scottsdale Insurance Company41297OH623Personal auto, Equipment breakdown, Commercial auto +15 more
Scrubs Mutual Assurance Company Risk Retention Group12988NV30General liability, Medical malpractice, Professional liability (E&O)
Select Insurance Company22233CT223Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Sentinel Insurance Company, Limited11000CT350Personal auto, Equipment breakdown, Commercial auto +14 more
Sentry Insurance Company24988WI350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Spirit Mountain Insurance Company Risk Retention Group, Inc.10754AL70General liability, Medical malpractice, Professional liability (E&O)
St. Paul Fire and Marine Insurance Company24767CT350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
St. Paul Guardian Insurance Company24775CT340Aircraft and aviation, Personal auto, Equipment breakdown +18 more
St. Paul Mercury Insurance Company24791CT350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
St. Paul Protective Insurance Company19224CT340Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Star Insurance Company18023MI350Aircraft and aviation, Personal auto, Equipment breakdown +14 more
StarNet Insurance Company40045IA350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
StarStone Specialty Insurance Company44776DE523Personal auto, Equipment breakdown, Commercial auto +9 more
State Automobile Mutual Insurance Company25135OH330Aircraft and aviation, Personal auto, Equipment breakdown +16 more
State Farm Fire and Casualty Company25143IL350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
State Farm Florida Insurance Company10739FL10Commercial package (BOP, CMP), Earthquake, Homeowners +3 more
State Farm General Insurance Company25151IL270Personal auto, Equipment breakdown, Commercial auto +15 more
State Farm Lloyds43419TX10Aircraft and aviation, Personal auto, Equipment breakdown +14 more
State Farm Mutual Automobile Insurance Company25178IL350Aircraft and aviation, Personal auto, Commercial auto +14 more
State National Insurance Company, Inc.12831TX350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
State Volunteer Mutual Insurance Company33049TN140Personal auto, General liability, Medical malpractice +2 more
Steadfast Insurance Company26387IL423Personal auto, Equipment breakdown, Commercial auto +12 more
Stratford Insurance Company40436NH350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Sunland Risk Retention Group, Inc.14026TN50General liability, Medical malpractice, Professional liability (E&O)
Swiss Re Corporate Solutions Capacity Insurance Corporation34916MO422Aircraft and aviation, Equipment breakdown, Earthquake +6 more
Swiss Reinsurance America Corporation25364NY290Aircraft and aviation, Personal auto, Equipment breakdown +17 more
TDC National Assurance Company41050OR340Personal auto, Equipment breakdown, Farm and crop +11 more
TDC Specialty Insurance Company34487DC621General liability, Medical malpractice, Professional liability (E&O)
Tecumseh Hlth Recip RRG11692VT10General liability, Medical malpractice, Professional liability (E&O)
Texas Hospital Insurance Exchange32514TX20Personal auto, Equipment breakdown, Commercial auto +10 more
Texas Medical Insurance Company10393TX130Personal auto, Equipment breakdown, Crime (burglary and theft) +8 more
Texas Medical Liability Insurance Underwriting Association32697TX10Personal auto, General liability, Medical malpractice
The Mutual Risk Retention Group, Inc.26257HI90General liability, Medical malpractice, Professional liability (E&O)
Transatlantic Reinsurance Company19453NY240Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Transportation Insurance Company20494IL350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
TravCo Personal Insurance Company36463CT330Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Travelers Casualty and Surety Company19038CT350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Travelers Casualty and Surety Company of America31194CT350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Travelers Casualty Company (The)41769CT320Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Travelers Casualty Company of Connecticut36170CT340Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Travelers Casualty Insurance Company of America19046CT350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Travelers Commercial Casualty Company40282CT330Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Travelers Commercial Insurance Company36137CT330Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Travelers Constitution State Insurance Company41750CT290Aircraft and aviation, Personal auto, Equipment breakdown +14 more
Travelers Indemnity Company (The)25658CT350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Travelers Indemnity Company of America (The)25666CT350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Travelers Indemnity Company of Connecticut (The)25682CT350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Travelers Property Casualty Company of America25674CT350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Trinity Risk Solutions Recip Ins Co11958DC20General liability, Medical malpractice, Professional liability (E&O)
Truck Insurance Exchange21709CA340Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Twin City Fire Insurance Company (The)29459IN350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
UMIA Insurance, Inc.36676UT70General liability, Medical malpractice, Professional liability (E&O) +1 more
United Specialty Insurance Company12537TX622Aircraft and aviation, Personal auto, Equipment breakdown +18 more
United States Fidelity and Guaranty Company25887CT350Aircraft and aviation, Personal auto, Equipment breakdown +17 more
Unitrin Auto and Home Insurance Company16063NY300Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Urgent Care Assurance Company Risk Retention Group Inc12915NV20General liability, Medical malpractice, Professional liability (E&O) +1 more
Valley Forge Insurance Company20508PA340Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Vantage Risk Specialty Insurance Company16275DE520Personal auto, Equipment breakdown, Commercial auto +8 more
Vantage Risk Assurance Company32077DE340Aircraft and aviation, Personal auto, Equipment breakdown +15 more
Vantapro Specialty Insurance Company44768AR340Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Verde Insurance Company33383TX180Personal auto, Equipment breakdown, Fidelity bonds +7 more
Vigilant Insurance Company20397NY350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Wausau Underwriters Insurance Company26042WI340Aircraft and aviation, Personal auto, Equipment breakdown +15 more
WCF Select Insurance Company21865CA350Aircraft and aviation, Personal auto, Equipment breakdown +16 more
Wellfleet Insurance Company32280IN330Personal auto, Equipment breakdown, Commercial auto +13 more
West American Insurance Company44393IN340Personal auto, Equipment breakdown, Commercial auto +14 more
Westchester Fire Insurance Company10030PA350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Westchester Surplus Lines Insurance Company10172GA523Personal auto, Equipment breakdown, Commercial auto +10 more
Western World Insurance Company, Inc.13196NH522Personal auto, Commercial auto, Commercial package (BOP, CMP) +6 more
Wisconsin Health Care Liability Insurance Plan33405WI10General liability, Medical malpractice
XL Reinsurance America, Inc.20583CT300Aircraft and aviation, Personal auto, Equipment breakdown +15 more
XL Specialty Insurance Company37885DE350Aircraft and aviation, Personal auto, Equipment breakdown +18 more
Zurich American Insurance Company16535NY350Aircraft and aviation, Personal auto, Equipment breakdown +19 more
Zurich American Insurance Company of Illinois27855IL340Aircraft and aviation, Personal auto, Equipment breakdown +17 more
|Hudson Excess Insurance Company14484DE523Personal auto, Equipment breakdown, Commercial auto +7 more
|Landmark American Insurance Company33138NH423Commercial package (BOP, CMP), Earthquake, Flood +5 more
|Texas Insurance Company16543TX518Aircraft and aviation, Personal auto, Equipment breakdown +15 more
|Trisura Specialty Insurance Company16188OK420Personal auto, Equipment breakdown, Commercial auto +8 more

Method and source

"Licensed for" comes from each state regulator's licensed lines on its public company list (grouped into common names); it means the company may write the line in that state, not that it sells it to every customer. Premium comes from the California and Texas market share reports. CSV · JSON.

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