California WCABCarriers
Carriers in California WCAB decisions.
Every insurance carrier and claims administrator named in a released WCAB decision — 533 of them, 159 with enough decisions for a page. Each page shows what they dispute, which firms defend them, whose claims they run, and the passage each decision turned on. A portrait nobody can assemble by hand: the largest here appears in 695 decisions.
- Companies named
- 533
- With a page
- 159
- Largest
- 695
- Threshold
- 5 decisions
159 have enough decisions for a page. The rest are listed with their count and no link — we hold too few of their decisions to say anything worth reading.
| Name | Most disputed | Years | Decisions |
|---|---|---|---|
| Sedgwick Claims Management Services | AOE/COE | 2009–2026 | 695 |
| State Compensation Insurance Fund | AOE/COE | 2002–2026 | 604 |
| Gallagher Bassett | AOE/COE | 2002–2026 | 278 |
| ACE American Insurance Company | Jurisdiction / venue | 2010–2026 | 273 |
| Zurich American Insurance Company | AOE/COE | 2001–2026 | 241 |
| Travelers Property Casualty Company of America | AOE/COE | 1997–2026 | 217 |
| Berkshire Hathaway Homestate Companies | Medical treatment / UR / IMR | 2014–2026 | 140 |
| Corvel | AOE/COE | 2014–2026 | 122 |
| Insurance Company of the West | AOE/COE | 2018–2026 | 119 |
| Intercare | AOE/COE | 2002–2026 | 108 |
| Zenith Insurance Company | AOE/COE | 2013–2026 | 99 |
| California Insurance Guarantee Association | Jurisdiction / venue | 2002–2026 | 97 |
| Liberty Mutual Insurance Company | AOE/COE | 2000–2026 | 97 |
| Old Republic Insurance Company | AOE/COE | 2021–2026 | 95 |
| Athens Administrators | AOE/COE | 2003–2026 | 93 |
| Employers Preferred Insurance Company | AOE/COE | 2013–2026 | 93 |
| ESIS, INC. | AOE/COE | 2011–2026 | 91 |
| Broadspire | AOE/COE | 2021–2026 | 85 |
| AmTrust North America | AOE/COE | 2021–2026 | 83 |
| Tristar Risk Management | AOE/COE | 2005–2026 | 79 |
| The Hartford | AOE/COE | 2018–2026 | 76 |
| Cypress Insurance Company | Medical treatment / UR / IMR | 2014–2026 | 72 |
| Arch Insurance Company | AOE/COE | 2021–2026 | 69 |
| XL Specialty Insurance Company | AOE/COE | 2021–2026 | 59 |
| Everest National Insurance Company | Medical treatment / UR / IMR | 2021–2026 | 55 |
| Keenan & Associates | AOE/COE | 2009–2026 | 53 |
| Hartford Casualty Insurance Company | AOE/COE | 1997–2026 | 52 |
| American Home Assurance | AOE/COE | 2003–2026 | 51 |
| York Risk Services Group | AOE/COE | 2021–2026 | 50 |
| LWP Claims Solutions, INC. | AOE/COE | 2021–2026 | 46 |
| CIGA by Tristar Risk Management | AOE/COE | 2021–2026 | 45 |
| Safety National Casualty Corporation | AOE/COE | 2021–2026 | 44 |
| Security National Insurance Company | AOE/COE | 2021–2026 | 44 |
| Redwood Fire and Casualty Insurance Company | Medical treatment / UR / IMR | 2021–2026 | 43 |
| Safety National Insurance Company | AOE/COE | 2021–2026 | 42 |
| AIG Claims, INC. | AOE/COE | 2021–2026 | 41 |
| Illinois Midwest Insurance Agency, LLC | AOE/COE | 2021–2026 | 41 |
| Adminsure | AOE/COE | 2021–2026 | 40 |
| Star Insurance Company | QME/AME process | 2021–2026 | 40 |
| Cannon Cochran Management Services, INC. | AOE/COE | 2021–2026 | 37 |
| Oak River Insurance Company | AOE/COE | 2021–2026 | 37 |
| Technology Insurance Company | AOE/COE | 2021–2026 | 37 |
| California Insurance Company | AOE/COE | 1998–2026 | 34 |
| American Claims Management | AOE/COE | 2021–2026 | 32 |
| Crum & Forster | AOE/COE | 2021–2026 | 32 |
| Helmsman Management Services | Medical treatment / UR / IMR | 2002–2026 | 32 |
| United Wisconsin Insurance Company | AOE/COE | 2021–2026 | 32 |
| Great Divide Insurance Company | Jurisdiction / venue | 2021–2026 | 31 |
| AIU Insurance Company | AOE/COE | 2022–2026 | 29 |
| Chubb Group of Insurance Companies | Medical treatment / UR / IMR | 2021–2026 | 29 |
| Federal Insurance Company | AOE/COE | 2021–2026 | 29 |
| Next Level Administrators | Temporary disability | 2021–2026 | 29 |
| Meadowbrook Insurance Group | Medical treatment / UR / IMR | 2021–2026 | 28 |
| National Union Fire Insurance Company | Apportionment | 2019–2026 | 28 |
| Preferred Employers Insurance Company | AOE/COE | 2021–2026 | 28 |
| State Farm Fire and Casualty Company | Jurisdiction / venue | 2021–2026 | 27 |
| Acclamation Insurance Management Services | Temporary disability | 2021–2026 | 25 |
| Uninsured Employers Benefits Trust Fund | AOE/COE | 2021–2026 | 24 |
| Starr Indemnity & Liability Company | AOE/COE | 2018–2026 | 23 |
| CompWest Insurance Company | AOE/COE | 2021–2026 | 22 |
| Farmers Insurance | Jurisdiction / venue | 2021–2026 | 22 |
| Republic Underwriters Insurance Company | AOE/COE | 2002–2026 | 22 |
| United States Fire Insurance Company | AOE/COE | 2021–2026 | 21 |
| AIMS | AOE/COE | 2021–2025 | 20 |
| Benchmark Insurance Company | AOE/COE | 2021–2026 | 19 |
| PSI | Statute of limitations | 2021–2026 | 19 |
| Applied Risk Services | AOE/COE | 2021–2026 | 18 |
| Norguard Insurance Company | AOE/COE | 2021–2026 | 17 |
| Omaha National Underwriters | Medical treatment / UR / IMR | 2024–2026 | 17 |
| Pacific Claims Management | QME/AME process | 2021–2026 | 17 |
| Fremont Compensation Insurance Company | AOE/COE | 2002–2025 | 16 |
| Property and Casualty Insurance Company of Hartford | AOE/COE | 2021–2026 | 16 |
| Sentry Casualty Company | AOE/COE | 2021–2025 | 16 |
| Tokio Marine and Fire Insurance Company Ltd | AOE/COE | 2021–2026 | 16 |
| New Hampshire Insurance Company | Jurisdiction / venue | 2021–2026 | 15 |
| Republic Indemnity Company of California | Statute of limitations | 2006–2026 | 15 |
| State National Insurance Company | AOE/COE | 2021–2026 | 15 |
| Amguard Insurance Company | AOE/COE | 2021–2025 | 14 |
| CNA Insurance/sedgwick CMS | Jurisdiction / venue | 1997–2026 | 14 |
| National Liability and Fire Insurance Company | Temporary disability | 2021–2026 | 14 |
| North River Insurance Company | AOE/COE | 2021–2026 | 14 |
| ProCentury Insurance Company | AOE/COE | 2021–2026 | 14 |
| Berkley Entertainment | Jurisdiction / venue | 2021–2026 | 13 |
| CCMSI | Jurisdiction / venue | 2021–2025 | 13 |
| Clear Spring Property and Casualty Company | Jurisdiction / venue | 2021–2025 | 13 |
| Liberty Mutual Insurance Corporation | AOE/COE | 2022–2026 | 13 |
| Markel Corporation of America | Jurisdiction / venue | 2021–2026 | 13 |
| National Casualty Company | AOE/COE | 2021–2026 | 13 |
| Alaska National Insurance Company | Apportionment | 2021–2025 | 12 |
| Constitution State Services | Medical treatment / UR / IMR | 1998–2026 | 12 |
| Mid-century Insurance Company | AOE/COE | 2021–2026 | 12 |
| National Interstate Insurance Company | AOE/COE | 2021–2025 | 12 |
| Starstone National Insurance Company | AOE/COE | 2021–2026 | 12 |
| Subsequent Injuries Benefits Trust Fund | AOE/COE | 2022–2026 | 12 |
| SUNZ Insurance Company | QME/AME process | 2024–2026 | 12 |
| The Cities Group | Temporary disability | 2021–2025 | 12 |
| Wesco Insurance Company | AOE/COE | 2021–2026 | 12 |
| Beta Healthcare Group Roseville | AOE/COE | 2021–2026 | 11 |
| Church Mutual Insurance Company | AOE/COE | 2022–2026 | 11 |
| Great American Insurance Company | AOE/COE | 2001–2026 | 11 |
| Guard Insurance | AOE/COE | 2021–2026 | 11 |
| Self-insured Schools of California | AOE/COE | 2021–2026 | 11 |
| State Contract Services | AOE/COE | 2022–2026 | 11 |
| Wausau Underwriter's Insurance Company | Apportionment | 2000–2025 | 11 |
| Allianz Global Corporate & Specialty | Jurisdiction / venue | 2022–2025 | 10 |
| Innovative Claims Solutions, INC. | AOE/COE | 2015–2025 | 10 |
| Safety National Casualty Corp. | QME/AME process | 2021–2026 | 10 |
| SCIF State Employees | Permanent disability rating | 2007–2026 | 10 |
| ICW Group | Statute of limitations | 2021–2025 | 9 |
| Matrix Absence Management | AOE/COE | 2021–2026 | 9 |
| Palomar Specialty Insurance Company | Penalties under Labor Code §5814 | 2024–2026 | 9 |
| Preferred Professional Insurance Company | Medical treatment / UR / IMR | 2022–2026 | 9 |
| Superior National Insurance | Apportionment | 2001–2025 | 9 |
| Truck Insurance Exchange | Statute of limitations | 2021–2026 | 9 |
| Argonaut Insurance | Temporary disability | 2022–2026 | 8 |
| Fairmont Premier Insurance Company | Jurisdiction / venue | 2021–2024 | 8 |
| Falls Lake Insurance Company | AOE/COE | 2021–2026 | 8 |
| WCF National Insurance Company | AOE/COE | 2022–2026 | 8 |
| Arrowood Indemnity | AOE/COE | 2021–2024 | 7 |
| Mitsui Sumitomo Cleveland | Psyche AOE/COE | 2021–2025 | 7 |
| Pennsylvania Manufacturers Association Insurance Companies | Liens | 2021–2026 | 7 |
| Praetorian Insurance Work Comp Program | Temporary disability | 2021–2025 | 7 |
| QBE Specialty Insurance | Apportionment | 2021–2026 | 7 |
| Reliance Insurance Company | AOE/COE | 2002–2024 | 7 |
| Schools Insurance Authority | Apportionment | 2021–2025 | 7 |
| Service American Indemnity Company | AOE/COE | 2022–2026 | 7 |
| Starr Specialty Insurance Company | AOE/COE | 2023–2026 | 7 |
| Strategic Comp Claims | AOE/COE | 2021–2026 | 7 |
| Clarendon National Insurance Company | AOE/COE | 2021–2025 | 6 |
| Enstar Administrators | AOE/COE | 2021–2023 | 6 |
| Great American Alliance Insurance Company | AOE/COE | 2021–2026 | 6 |
| Hanover Insurance Group | — | 2022–2026 | 6 |
| Homestate Companies | Penalties under Labor Code §5814 | 2024–2025 | 6 |
| Legion Insurance Company | AOE/COE | 2021–2025 | 6 |
| Louisiana Workers' Compensation Corporation | Jurisdiction / venue | 2013–2026 | 6 |
| Nova Casualty Company | Psyche AOE/COE | 2021–2025 | 6 |
| Pacific Employers Insurance/ace | Jurisdiction / venue | 2024–2025 | 6 |
| Specialty Risk Services | Apportionment | 2004–2026 | 6 |
| USF&G | Jurisdiction / venue | 2022–2026 | 6 |
| American International Insurance Group | AOE/COE | 2021–2023 | 5 |
| Biberk Business Insurance | — | 2024–2024 | 5 |
| California Restaurant Mutual Benefit Corporation | AOE/COE | 2021–2025 | 5 |
| Castlepoint National Insurance Company | Liens | 2021–2025 | 5 |
| Contra Costa County Schools Insurance Group | Medical treatment / UR / IMR | 2024–2026 | 5 |
| Fireman's Fund Insurance Company | Sanctions under Labor Code §5813 | 2022–2026 | 5 |
| Gulf Insurance Company | AOE/COE | 2023–2025 | 5 |
| Hazelrigg Risk Management Services | Medical treatment / UR / IMR | 2006–2024 | 5 |
| Imperium Ins. Co. Admin. by Athens Administrators | Apportionment | 2022–2024 | 5 |
| JT2 Integrated Resources | Apportionment | 2022–2026 | 5 |
| Protective Insurance Company | AOE/COE | 2021–2025 | 5 |
| Sentinel Insurance Company, Ltd. | AOE/COE | 2022–2026 | 5 |
| Sequoia Insurance Company | AOE/COE | 2022–2026 | 5 |
| Southern Insurance Company | Sanctions under Labor Code §5813 | 2021–2026 | 5 |
| The Hanover Insurance Group | Medical treatment / UR / IMR | 2023–2026 | 5 |
| Transguard Insurance Company | Reopening / new and further disability | 2021–2024 | 5 |
| UEBTF | Jurisdiction / venue | 2021–2025 | 5 |
| Uninsured Employers Benefit Trust Fund | Earnings / average weekly earnings | 2023–2026 | 5 |
| United States Fidelity and Guaranty Insurance | Jurisdiction / venue | 2022–2026 | 5 |
| Westport Insurance Corp. | Permanent disability rating | 2021–2026 | 5 |
| Atlantic Specialty Insurance Company | Medical treatment / UR / IMR | 2021–2025 | 4 |
| California Contractors Network | AOE/COE | 2022–2024 | 4 |
| Golden Eagle Insurance Company | Medical treatment / UR / IMR | 1998–2007 | 4 |
| Nationwide Agribusiness | — | 2024–2026 | 4 |
| New York Marine and General Insurance Company | AOE/COE | 2021–2023 | 4 |
| Peerless Indemnity Insurance Company | AOE/COE | 2021–2024 | 4 |
| Risico/amtrust | AOE/COE | 2022–2023 | 4 |
| Siriuspoint America Insurance Company | AOE/COE | 2022–2024 | 4 |
| The Travelers Indemnity Company | Jurisdiction / venue | 2004–2025 | 4 |
| Tig/fairmont Premier Insurance Co. | Apportionment | 2022–2025 | 4 |
| Tower Point National Insurance Company | Liens | 2014–2024 | 4 |
| Tribal First Insurance | Jurisdiction / venue | 2022–2026 | 4 |
| Twin City Fire Insurance Company | Apportionment | 2022–2025 | 4 |
| Ullico Casualty Company | Apportionment | 2021–2023 | 4 |
| Valley Forge Insurance Company/cna | AOE/COE | 2021–2025 | 4 |
| Vanliner Insurance Company | AOE/COE | 2021–2025 | 4 |
| Allstate Insurance Company | Jurisdiction / venue | 2013–2023 | 3 |
| American Insurance Company | — | 2023–2024 | 3 |
| Berkeley Entertainment | AOE/COE | 2021–2023 | 3 |
| Berkley Specialty Insurance | Jurisdiction / venue | 2022–2026 | 3 |
| California Farm Management Self Insurance Group | AOE/COE | 2024–2026 | 3 |
| Cambridge Integrated Services, INC. | AOE/COE | 2004–2005 | 3 |
| Charles Taylor | Jurisdiction / venue | 2021–2024 | 3 |
| Chartis Insurance Company | — | 2021–2022 | 3 |
| Claimquest | AOE/COE | 2024–2025 | 3 |
| Commerce and Industry Insurance Company | Medical treatment / UR / IMR | 2023–2023 | 3 |
| Continental Casualty Company by CNA Claims Plus/milwaukee Brewers | Jurisdiction / venue | 2022–2024 | 3 |
| Cottingham & Butler Claims | AOE/COE | 2024–2025 | 3 |
| Electric Ins. Co. Admin by Sedgwick | QME/AME process | 2021–2026 | 3 |
| Endurance Assurance Corp. | Apportionment | 2021–2023 | 3 |
| Granite State Insurance Company | AOE/COE | 2021–2023 | 3 |
| Helsman Management Rocklin | Apportionment | 2021–2022 | 3 |
| Intact Insurance Specialty Solutions | Medical treatment / UR / IMR | 2021–2022 | 3 |
| Liberty Mutual Fire Insurance Company | — | 2021–2026 | 3 |
| Lumbermen's Underwriting Alliance, Now | Liens | 2021–2026 | 3 |
| Lumbermens Mutual Casualty Company | AOE/COE | 2023–2025 | 3 |
| Massachusetts Bay Insurance Company | Medical treatment / UR / IMR | 2023–2025 | 3 |
| Midwest Employers Casualty Company | AOE/COE | 2021–2024 | 3 |
| National Casualty Insurance | Sanctions under Labor Code §5813 | 2021–2025 | 3 |
| Packard Claims Administration, INC. | AOE/COE | 2024–2026 | 3 |
| Pma Companies | QME/AME process | 2021–2024 | 3 |
| Prime Administrators | — | 2024–2026 | 3 |
| Pro Century Insurance Company | Earnings / average weekly earnings | 2021–2024 | 3 |
| Public Service Mutual Insurance Company | AOE/COE | 2023–2024 | 3 |
| Samsung Fire and Marine Insurance Company | AOE/COE | 2022–2024 | 3 |
| Seabright Insurance Company | Cumulative trauma | 2021–2022 | 3 |
| Sisc | — | 2021–2024 | 3 |
| Springfield Insurance Company | QME/AME process | 2005–2021 | 3 |
| Starnet Insurance Company | — | 2021–2023 | 3 |
| Stonington Insurance Company | AOE/COE | 2021–2025 | 3 |
| The North River Insurance Company | Apportionment | 2024–2026 | 3 |
| Transportation Insurance Company | Jurisdiction / venue | 2023–2024 | 3 |
| U.S. Fire Insurance Company, Crum Forster | Permanent disability rating | 2021–2024 | 3 |
| Williamsburg National Insurance Company | Liens | 2021–2024 | 3 |
| Aaa Northern California | Medical treatment / UR / IMR | 2025–2026 | 2 |
| Accident Fund Insurance Co. of America | Medical treatment / UR / IMR | 2025–2025 | 2 |
| Accredited Surety and Casualty Company, INC. | AOE/COE | 2023–2026 | 2 |
| Affinity Insurance Limited | Permanent total disability | 2022–2023 | 2 |
| Alliant Insurance Services San Diego | Jurisdiction / venue | 2025–2026 | 2 |
| Allmerica Financial Benefit Insurance Company | — | 2025–2025 | 2 |
| American Automobile Insurance Company Adjusted by Allianz Resolution Management | AOE/COE | 2022–2022 | 2 |
| American Casualty Insurance | Jurisdiction / venue | 2021–2024 | 2 |
| American Claims San Diego | — | 2024–2025 | 2 |
| American Modern Insurance Company | AOE/COE | 2022–2026 | 2 |
| Anthem Blue Cross | AOE/COE | 2022–2022 | 2 |
| Bassett Services, INC. | AOE/COE | 2025–2025 | 2 |
| Bbsi/ace American Insurance Company | Medical treatment / UR / IMR | 2021–2024 | 2 |
| Berkshire Hathwaway | Jurisdiction / venue | 2025–2025 | 2 |
| Bhhc/cypress Insurance Company | — | 2022–2023 | 2 |
| Bitco Insurance/old Republic General Insurance | Apportionment | 2025–2026 | 2 |
| Blue Shield of California | AOE/COE | 2021–2023 | 2 |
| Blue Star Claims Management Phoenix | — | 2022–2022 | 2 |
| Broadsprite Services, INC. | C&R / stipulations approval | 2022–2023 | 2 |
| Brotherhood Mutual Insurance Company | — | 2022–2026 | 2 |
| Certain Underwriters at Lloyd’s of London | — | 2026–2026 | 2 |
| Chesapeake Employers Insurance Company | Jurisdiction / venue | 2022–2024 | 2 |
| Citizens Insurance Company of America | — | 2022–2023 | 2 |
| Citywide Scanning Service, INC. | Medical treatment / UR / IMR | 2022–2022 | 2 |
| County of Sacramento Work Comp | AOE/COE | 2025–2026 | 2 |
| Creative Risk Solutions | AOE/COE | 2023–2024 | 2 |
| Discovery Re/travelers USF&G | AOE/COE | 2022–2022 | 2 |
| Employer's Preferred Insurance Co. | Earnings / average weekly earnings | 2021–2021 | 2 |
| Entertainment Partners, LLC | Jurisdiction / venue | 2024–2025 | 2 |
| Finish Line Self-insurance Group, INC. | AOE/COE | 2021–2022 | 2 |
| Fire Insurance Exchange | — | 2022–2022 | 2 |
| Gallager Bassett | Sanctions under Labor Code §5813 | 2021–2023 | 2 |
| Great American Strategic Comp Cincinnati | Temporary disability | 2024–2026 | 2 |
| Great Northern Insurance Company | Jurisdiction / venue | 2023–2026 | 2 |
| Guideone Mutual Insurance Company | Medical treatment / UR / IMR | 2022–2025 | 2 |
| Hampshire Insurance Company | AOE/COE | 2024–2024 | 2 |
| Hih American Insurance | Jurisdiction / venue | 2024–2024 | 2 |
| Industrial Indemnity/fremont Compensation Insurance | Medical treatment / UR / IMR | 2021–2025 | 2 |
| Insurance Company State of Penn | Jurisdiction / venue | 2021–2021 | 2 |
| Kemper Employers Claims Service | Penalties under Labor Code §5814 | 2002–2021 | 2 |
| Legally Uninsured | — | 2025–2026 | 2 |
| LM Insurance Corporation | Medical treatment / UR / IMR | 2021–2024 | 2 |
| Majestic Insurance Company | QME/AME process | 2021–2021 | 2 |
| Marriott Hot Springs | — | 2022–2026 | 2 |
| Multi-line Claims Services, INC. | Jurisdiction / venue | 2024–2025 | 2 |
| National Fire Insurance Company of Pittsburgh, Pennsylvania | AOE/COE | 2021–2021 | 2 |
| North American Risk Services | Death benefits | 2022–2022 | 2 |
| North Bay Schools Insurance Authority | — | 2026–2026 | 2 |
| Occusure Claims Services | AOE/COE | 2023–2025 | 2 |
| Ohio Security Insurance Company/liberty Mutual | — | 2021–2025 | 2 |
| One Beacon Insurance Co. | Penalties under Labor Code §5814 | 2008–2021 | 2 |
| Pacific Claims Management Fresno | — | 2024–2025 | 2 |
| Risk Enterprise Management Ltd. | Liens | 2002–2004 | 2 |
| Segwick Claims Management Services, INC. | — | 2021–2025 | 2 |
| Self Insurers' Security Fund | Statute of limitations | 2026–2026 | 2 |
| Sompo Japan Insurance Company of America | Discrimination under Labor Code §132a | 2021–2025 | 2 |
| Soundview Claims Solutions, INC. | — | 2025–2026 | 2 |
| St. Paul Fire & Marine Insurance Company | Contribution / subrogation | 2022–2024 | 2 |
| State Comp. Ins. Fund | Permanent disability rating | 2005–2023 | 2 |
| State of California, Legally Uninsured | Permanent disability rating | 2021–2023 | 2 |
| Summit Consulting LLC | Jurisdiction / venue | 2024–2025 | 2 |
| The Dentists Insurance Company | AOE/COE | 2025–2025 | 2 |
| The Insurance Company of the State of Pennsylvania | Medical treatment / UR / IMR | 2021–2023 | 2 |
| Third Party Administrator | AOE/COE | 2023–2026 | 2 |
| Traveler's Insurance Company | Medical treatment / UR / IMR | 2025–2025 | 2 |
| Tri-star Risk Management | AOE/COE | 2005–2022 | 2 |
| Usaa | Jurisdiction / venue | 2021–2021 | 2 |
| Utica Mutual Insurance Group | Sanctions under Labor Code §5813 | 2024–2026 | 2 |
| Virginia Surety Company | Jurisdiction / venue | 2021–2024 | 2 |
| Vivian Eberle | Jurisdiction / venue | 2025–2025 | 2 |
| A.m. Lien Solutions, LLC | Liens | 2023–2023 | 1 |
| Acca | Liens | 2021–2021 | 1 |
| Acclamantion Insurance Management Services | QME/AME process | 2022–2022 | 1 |
| Acwa Joint Powers Insurance Authority | — | 2021–2021 | 1 |
| Admin by Amtrust | — | 2024–2024 | 1 |
| Administered by Intercare | — | 2024–2024 | 1 |
| Adminisure | Psyche AOE/COE | 2023–2023 | 1 |
| Advantage Workers' Compensation Ins. Co. | AOE/COE | 2024–2024 | 1 |
| Aetna | AOE/COE | 2021–2021 | 1 |
| Alameda Paying Agent, INC. | — | 2025–2025 | 1 |
| Albertson$ Holdings, LLC | — | 2021–2021 | 1 |
| All Diameter Grinding Insurance Co of the West | — | 2026–2026 | 1 |
| Allied Universal, Permissibly Self-insured | Liens | 2026–2026 | 1 |
| Alpine Surgery Centers, LP | Medical treatment / UR / IMR | 2002–2002 | 1 |
| Am Lien Solutions | Liens | 2023–2023 | 1 |
| Am Trust | — | 2023–2023 | 1 |
| American All-risk Loss Administrators | Apportionment | 2025–2025 | 1 |
Showing the first 300. Type a name to narrow it.
A carrier writes the risk; an administrator runs the claim. Both are named in the decision, and both are counted here. These are appealed and published decisions — the litigated tail of a system that mostly settles — so nothing here describes anybody’s book of claims. Every figure is a count of released decisions, and each page lists the decisions behind it with the passage each turned on.
About these carrier pages
Can I look up a carrier or claims administrator in WCAB decisions?
Yes. Carriers and administrators named in released decisions are listed; the larger ones have a page for what they dispute, who defends them, whose claims they run, and the quoted passages. This is not their book of claims.
What is the difference between a carrier and an administrator here?
A carrier writes the risk; an administrator runs the claim. Both appear in captions, so both are counted. The page title still says which entity you opened.
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