List of Workers Compensation Insurance Companies

Below is a list of workers compensation insurance companies in alphabetical order. See the top 218 workers compensation carriers in North America below.



A.M. Best List of Work Comp Insurance Companies

You can view the list of workers compensation insurance companies as published by A.M. Best by clicking the image below.
Workers Compensation Insurance Companies List

NAIC Lookup – WC Insurance Companies

You can press Control + F to search for a specific company by name or NAIC number. Or, you can search each company individually at the National Association of Insurance Commissioners.

List Workers Compensation Insurance Companies

State of Domicile

Company Name

NAIC Number

NAIC Group Number

MIACCIDENT FUND INSURANCE COMPANY OF AMERICA101660572
PAACE AMERICAN INSURANCE COMPANY226670626
PAACE FIRE UNDERWRITERS INSURANCE COMPANY207020626
PAACE PROPERTY AND CASUALTY INSURANCE COMPANY206990626
ILACIG INSURANCE COMPANY199840594
INADVANTAGE WORKERS COMPENSATION INSURANCE COMPANY405170000
PAAIG PROPERTY CASUALTY COMPANY194020012
AKALASKA NATIONAL INSURANCE COMPANY387330000
MIALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY418400088
DEAMERICAN ALTERNATIVE INSURANCE CORPORATION197200361
MOAMERICAN AUTOMOBILE INSURANCE COMPANY218490761
PAAMERICAN CASUALTY COMPANY OF READING, PENNSYLVANIA204270218
INAMERICAN ECONOMY INSURANCE COMPANY196900111
FLAMERICAN FAMILY HOME INSURANCE COMPANY234500361
NHAMERICAN FIRE AND CASUALTY COMPANY240660111
NYAMERICAN GUARANTEE AND LIABILITY INSURANCE COMPANY262470212
NYAMERICAN HOME ASSURANCE COMPANY193800012
OHAMERICAN INSURANCE COMPANY218570761
NEAMERICAN INTERSTATE INSURANCE COMPANY318950680
OHAMERICAN MODERN HOME INSURANCE COMPANY234690361
TXAMERICAN STATES INSURANCE COMPANY OF TEXAS197120111
INAMERICAN STATES INSURANCE COMPANY197040111
ILAMERICAN ZURICH INSURANCE COMPANY401420212
MIAMERISURE MUTUAL INSURANCE COMPANY233960124
PAAMGUARD INSURANCE COMPANY423900031
MOARCH INSURANCE COMPANY111501279
ILARGONAUT INSURANCE COMPANY198010457
ILARGONAUT-MIDWEST INSURANCE COMPANY198280457
ILARGONAUT-SOUTHWEST INSURANCE COMPANY198440457
DEARROWOOD INDEMNITY COMPANY246780553
CAASSOCIATED INDEMNITY CORPORATION218650761
NYASSURANCE COMPANY OF AMERICA193050212
NYATLANTIC SPECIALTY INSURANCE COMPANY271541129
KSBENCHMARK INSURANCE COMPANY413940000
IABERKLEY NATIONAL INSURANCE COMPANY389110098
DEBERKLEY REGIONAL INSURANCE COMPANY295800098
INBROTHERHOOD MUTUAL INSURANCE COMPANY135280000
CACALIFORNIA CASUALTY INDEMNITY EXCHANGE201170033
CACALIFORNIA INSURANCE COMPANY388650031
CACARE WEST INSURANCE COMPANY105200000
NYCHUBB INDEMNITY INSURANCE COMPANY127770038
INCHUBB NATIONAL INSURANCE COMPANY100520038
WICHURCH MUTUAL INSURANCE COMPANY187670000
OHCINCINNATI CASUALTY COMPANY286650244
OHCINCINNATI INSURANCE COMPANY106770244
MICITIZENS INSURANCE COMPANY OF AMERICA315340088
CACIVIC PROPERTY AND CASUALTY COMPANY103150069
NYCOMMERCE AND INDUSTRY INSURANCE COMPANY194100012
SCCOMPANION PROPERTY AND CASUALTY INSURANCE COMPANY121570661
CACOMPWEST INSURANCE COMPANY121770572
ILCONTINENTAL CASUALTY COMPANY204430218
PACONTINENTAL INSURANCE COMPANY352890218
DECRUM & FORSTER INDEMNITY COMPANY313480158
CACYPRESS INSURANCE COMPANY108550031
CADENTISTS INSURANCE COMPANY409750000
CTDISCOVER PROPERTY & CASUALTY INSURANCE COMPANY364633548
PAEASTGUARD INSURANCE COMPANY147020031
MAELECTRIC INSURANCE COMPANY212610057
CAEMPLOYERS COMPENSATION INSURANCE COMPANY115123363
WIEMPLOYERS INSURANCE COMPANY OF WAUSAU214580111
IAEMPLOYERS MUTUAL CASUALTY COMPANY214150062
PAEMPLOYERS’ FIRE INSURANCE COMPANY206481129
DEEVEREST NATIONAL INSURANCE COMPANY101201120
CAEXACT PROPERTY AND CASUALTY COMPANY103180069
CAEXPLORER INSURANCE COMPANY400290922
CAFARMERS INSURANCE EXCHANGE216520069
CTFARMINGTON CASUALTY COMPANY414833548
IAFARMLAND MUTUAL INSURANCE COMPANY138380140
INFEDERAL INSURANCE COMPANY202810038
WIFIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC.258793548
CAFIREMAN’S FUND INSURANCE COMPANY218730761
ILFIRST LIBERTY INSURANCE CORPORATION335880111
NHFIRST NATIONAL INSURANCE COMPANY OF AMERICA247240111
ILFLORISTS’ MUTUAL INSURANCE COMPANY139780349
MIFOREMOST INSURANCE COMPANY GRAND RAPIDS, MICHIGAN111850069
MIFOREMOST PROPERTY AND CASUALTY INSURANCE COMPANY118000069
MIFOREMOST SIGNATURE INSURANCE COMPANY415130069
WIGENERAL CASUALTY COMPANY OF WISCONSIN244140796
NHGENERAL INSURANCE COMPANY OF AMERICA247320111
PAGRANITE STATE INSURANCE COMPANY238090012
NYGRAPHIC ARTS MUTUAL INSURANCE COMPANY259840201
OHGREAT AMERICAN ALLIANCE INSURANCE COMPANY268320084
OHGREAT AMERICAN ASSURANCE COMPANY263440084
NYGREAT AMERICAN INSURANCE COMPANY OF NEW YORK221360084
NDGREAT DIVIDE INSURANCE COMPANY252240098
INGREAT NORTHERN INSURANCE COMPANY203030038
NEGREAT WEST CASUALTY COMPANY113710150
DEGREENWICH INSURANCE COMPANY223221285
IAGUIDEONE MUTUAL INSURANCE COMPANY150320303
NHHANOVER AMERICAN INSURANCE COMPANY360640088
NHHANOVER INSURANCE COMPANY222920088
CTHARTFORD ACCIDENT AND INDEMNITY COMPANY223570091
INHARTFORD CASUALTY INSURANCE COMPANY294240091
CTHARTFORD FIRE INSURANCE COMPANY196820091
INHARTFORD INSURANCE COMPANY OF THE MIDWEST374780091
CTHARTFORD UNDERWRITERS INSURANCE COMPANY301040091
ILHDI-GERLING AMERICA INSURANCE COMPANY413430517
TXIMPERIUM INSURANCE COMPANY354084381
PAINDEMNITY INSURANCE COMPANY OF NORTH AMERICA435750626
PAINSURANCE COMPANY OF THE STATE OF PENNSYLVANIA194290012
CAINSURANCE COMPANY OF THE WEST278470922
ILLIBERTY INSURANCE CORPORATION424040111
WILIBERTY MUTUAL FIRE INSURANCE COMPANY230350111
MALIBERTY MUTUAL INSURANCE COMPANY230430111
ORLIBERTY NORTHWEST INSURANCE CORPORATION419390111
ILLM INSURANCE CORPORATION336000111
MOLUMBERMEN’S UNDERWRITING ALLIANCE231080000
PAMANUFACTURERS ALLIANCE INSURANCE COMPANY368970150
ILMARKEL INSURANCE COMPANY389700785
MDMARYLAND CASUALTY COMPANY193560212
NHMASSACHUSETTS BAY INSURANCE COMPANY223060088
NHMEMIC INDEMNITY COMPANY110301332
CAMID-CENTURY INSURANCE COMPANY216870069
WIMIDDLESEX INSURANCE COMPANY234340169
NYMITSUI SUMITOMO INSURANCE COMPANY OF AMERICA203624715
NYMITSUI SUMITOMO INSURANCE USA INC.225514715
OKNATIONAL AMERICAN INSURANCE COMPANY236630000
WINATIONAL CASUALTY COMPANY119910140
ILNATIONAL FIRE INSURANCE COMPANY OF HARTFORD204780218
OHNATIONAL INTERSTATE INSURANCE COMPANY326200084
ILNATIONAL SURETY CORPORATION218810761
PANATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA194450012
IANATIONWIDE AGRIBUSINESS INSURANCE COMPANY282230140
NHNETHERLANDS INSURANCE COMPANY241710111
PANEW HAMPSHIRE INSURANCE COMPANY238410012
NYNEW YORK MARINE AND GENERAL INSURANCE COMPANY166080256
PANORGUARD INSURANCE COMPANY314700031
PANORTH POINTE INSURANCE COMPANY277400796
NJNORTH RIVER INSURANCE COMPANY211050158
NYNORTHERN INSURANCE COMPANY OF NEW YORK193720212
NYNOVA CASUALTY COMPANY425520088
NEOAK RIVER INSURANCE COMPANY346300031
NHOHIO CASUALTY INSURANCE COMPANY240740111
NHOHIO SECURITY INSURANCE COMPANY240820111
ILOLD REPUBLIC GENERAL INSURANCE CORPORATION241390150
PAOLD REPUBLIC INSURANCE COMPANY241470150
PAONEBEACON AMERICA INSURANCE COMPANY206211129
PAONEBEACON INSURANCE COMPANY219701129
CAPACIFIC COMPENSATION INSURANCE COMPANY115550501
PAPACIFIC EMPLOYERS INSURANCE COMPANY227480626
WIPACIFIC INDEMNITY COMPANY203460038
ILPEERLESS INDEMNITY INSURANCE COMPANY183330111
NHPEERLESS INSURANCE COMPANY241980111
PAPENNSYLVANIA MANUFACTURERS INDEMNITY COMPANY414240150
PAPENNSYLVANIA MANUFACTURERS’ ASSOCIATION INSURANCE COMPANY122620150
TXPETROLEUM CASUALTY COMPANY122970000
IAPHARMACISTS MUTUAL INSURANCE COMPANY137140775
PAPRAETORIAN INSURANCE COMPANY372570796
CAPREFERRED EMPLOYERS INSURANCE COMPANY109000098
MIPROCENTURY INSURANCE COMPANY219030748
INPROPERTY AND CASUALTY INSURANCE COMPANY OF HARTFORD346900091
INPROTECTIVE INSURANCE COMPANY124160867
ILPUBLIC SERVICE INSURANCE COMPANY150590853
PAQBE INSURANCE CORPORATION392170796
WIREGENT INSURANCE COMPANY244490796
CAREPUBLIC INDEMNITY COMPANY OF AMERICA221790084
CAREPUBLIC INDEMNITY COMPANY OF CALIFORNIA437530084
TXREPUBLIC UNDERWRITERS INSURANCE COMPANY245383489
ILRLI INSURANCE COMPANY130560783
NHSAFECO INSURANCE COMPANY OF AMERICA247400111
ILSAFECO INSURANCE COMPANY OF ILLINOIS390120111
MOSAFETY NATIONAL CASUALTY CORPORATION151053098
NYSAMSUNG FIRE & MARINE INSURANCE CO., LTD. (UNITED STATES BRANCH)383000000
ILSEABRIGHT INSURANCE COMPANY155634725
DESECURITY NATIONAL INSURANCE COMPANY198792538
CTSENTINEL INSURANCE COMPANY, LTD.110000091
WISENTRY CASUALTY COMPANY284600169
WISENTRY INSURANCE A MUTUAL COMPANY249880169
WISENTRY SELECT INSURANCE COMPANY211800169
CASEQUOIA INSURANCE COMPANY229852538
NYSOMPO JAPAN FIRE & MARINE INSURANCE COMPANY OF AMERICA389973219
NYSOMPO JAPAN INSURANCE COMPANY OF AMERICA111263219
TXSOUTHERN INSURANCE COMPANY192163489
CASPARTA AMERICAN INSURANCE COMPANY100794746
CTSPARTA INSURANCE COMPANY206134746
CASPRINGFIELD INSURANCE COMPANY367900000
CTSTANDARD FIRE INSURANCE COMPANY190703548
MISTAR INSURANCE COMPANY180230748
DESTARNET INSURANCE COMPANY400450098
TXSTARR INDEMNITY & LIABILITY COMPANY383184670
CASTATE COMPENSATION INSURANCE FUND350760000
ILSTATE FARM FIRE AND CASUALTY COMPANY251430176
TXSTATE NATIONAL INSURANCE COMPANY, INC.128310093
TXSTONINGTON INSURANCE COMPANY103400796
NHTECHNOLOGY INSURANCE COMPANY, INC.423762538
CATIG INSURANCE COMPANY255340158
NYTNUS INSURANCE COMPANY323013098
NYTOKIO MARINE AMERICA INSURANCE COMPANY109453098
DETORUS NATIONAL INSURANCE COMPANY254964725
NYTRANS PACIFIC INSURANCE COMPANY412383098
ILTRANSGUARD INSURANCE COMPANY OF AMERICA, INC288860225
ILTRANSPORTATION INSURANCE COMPANY204940218
CTTRAVELERS COMMERCIAL INSURANCE COMPANY361373548
CTTRAVELERS INDEMNITY COMPANY256583548
CTTRAVELERS INDEMNITY COMPANY OF CONNECTICUT256823548
CTTRAVELERS PROPERTY CASUALTY COMPANY OF AMERICA256743548
CTTRAVELERS PROPERTY CASUALTY INSURANCE COMPANY361613548
CATRUCK INSURANCE EXCHANGE217090069
CTTRUMBULL INSURANCE COMPANY271200091
INTWIN CITY FIRE INSURANCE COMPANY294590091
CTUNITED STATES FIDELITY AND GUARANTY COMPANY258873548
DEUNITED STATES FIRE INSURANCE COMPANY211130158
WIUNITED WISCONSIN INSURANCE COMPANY291570572
NYUTICA MUTUAL INSURANCE COMPANY259760201
PAVALLEY FORGE INSURANCE COMPANY205080218
MOVANLINER INSURANCE COMPANY211720084
NYVIGILANT INSURANCE COMPANY203970038
WIWAUSAU BUSINESS INSURANCE COMPANY260690111
WIWAUSAU UNDERWRITERS INSURANCE COMPANY260420111
DEWESCO INSURANCE COMPANY250112538
INWEST AMERICAN INSURANCE COMPANY443930111
MIWILLIAMSBURG NATIONAL INSURANCE COMPANY257800748
DEXL INSURANCE AMERICA, INC.245541285
DEXL SPECIALTY INSURANCE COMPANY378851285
CAZENITH INSURANCE COMPANY132690158
CAZNAT INSURANCE COMPANY301200158
ILZURICH AMERICAN INSURANCE COMPANY OF ILLINOIS278550212
NYZURICH AMERICAN INSURANCE COMPANY165350212

 





List of Workers Compensation Insurance Companies