| 21st Century Casualty Company NAIC 36404; TDI licence 95458; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2000/03/17 | GGeneral (Non-life) | NAIC group 0069 | Domestic private | NAIC / state DOIs | Partial | — |
| 21st Century Insurance Company NAIC 12963; TDI licence 95476; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2000/05/12 | GGeneral (Non-life) | NAIC group 0069 | Domestic private | NAIC / state DOIs | Partial | — |
| Aegis Security Insurance Company NAIC 33898; TDI licence 6001; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1984/11/15 | GGeneral (Non-life) | NAIC group 0313 | Domestic private | NAIC / state DOIs | Partial | 92 Confidence: Medium |
| Allianz Reinsurance America, Inc. NAIC 21911; TDI licence 93790; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1981/12/31 | GGeneral (Non-life) | NAIC group 0761 | Domestic private | NAIC / state DOIs | Partial | — |
| ANCHOR GENERAL INSURANCE COMPANY NAIC 40010; TDI licence 5650; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1991/11/22 | GGeneral (Non-life) | NAIC group 4256 | Domestic private | NAIC / state DOIs | Partial | 60 Confidence: Low |
| Aspire General Insurance Company NAIC 15290; TDI licence 96190; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 2007/05/01 | GGeneral (Non-life) | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| CALIFORNIA CASUALTY INDEMNITY EXCHANGE NAIC 20117; TDI licence 12200; domicile CA (foreign to Texas); type: Reciprocal; structure: n/a; licensed 1967/01/30; Texas-specific licence class | GGeneral (Non-life) | NAIC group 0033 | Mutual / cooperative | NAIC / state DOIs | Partial | 49 Confidence: Low |
| California Insurance Company NAIC 38865; TDI licence 95932; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2004/08/06 | GGeneral (Non-life) | NAIC group 4962 | Domestic private | NAIC / state DOIs | Partial | — |
| CAMICO Mutual Insurance Company NAIC 36340; TDI licence 95609; domicile CA (foreign to Texas); type: Casualty; structure: Mutual; licensed 2001/06/20 | GGeneral (Non-life) | No NAIC group code provided | Mutual / cooperative | NAIC / state DOIs | Partial | — |
| Care West Insurance Company NAIC 10520; TDI licence 13766958; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 2025/09/23 | GGeneral (Non-life) | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| CastlePoint National Insurance Company NAIC 40134; TDI licence 93918; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1982/10/21 | GGeneral (Non-life) | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| Dentists Insurance Company, The NAIC 40975; TDI licence 93983; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1992/11/16 | GGeneral (Non-life) | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| Developers Surety and Indemnity Company NAIC 12718; TDI licence 95568; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2001/02/09 | GGeneral (Non-life) | NAIC group 2538 | Domestic private | NAIC / state DOIs | Partial | — |
| Doctors' Company, An Interinsurance Exchange, The NAIC 34495; TDI licence 5437; domicile CA (foreign to Texas); type: Reciprocal; structure: n/a; licensed 1990/05/17; Texas-specific licence class | GGeneral (Non-life) | NAIC group 0831 | Mutual / cooperative | NAIC / state DOIs | Partial | — |
| Explorer Insurance Company NAIC 40029; TDI licence 94201; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1993/08/03 | GGeneral (Non-life) | NAIC group 0922 | Domestic private | NAIC / state DOIs | Partial | — |
| Farmers Insurance Exchange NAIC 21652; TDI licence 27800; domicile CA (foreign to Texas); type: Reciprocal; structure: n/a; licensed 1936/03/10; Texas-specific licence class | GGeneral (Non-life) | NAIC group 0069 | Mutual / cooperative | NAIC / state DOIs | Partial | 91 Confidence: Low |
| Financial Pacific Insurance Company NAIC 31453; TDI licence 13764686; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 2013/03/14 | GGeneral (Non-life) | NAIC group 0248 | Domestic private | NAIC / state DOIs | Partial | — |
| Fire Insurance Exchange NAIC 21660; TDI licence 29750; domicile CA (foreign to Texas); type: Reciprocal; structure: n/a; licensed 1950/04/11; Texas-specific licence class | GGeneral (Non-life) | NAIC group 0069 | Mutual / cooperative | NAIC / state DOIs | Partial | — |
| First American Property & Casualty Insurance Company NAIC 37710; TDI licence 96091; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2006/04/18 | GGeneral (Non-life) | NAIC group 0070 | Domestic private | NAIC / state DOIs | Partial | — |
| Fremont Indemnity Company NAIC 21040; TDI licence 42950; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1955/08/17 | GGeneral (Non-life) | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| GeoVera Insurance Company NAIC 10799; TDI licence 95958; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2023/02/07 | GGeneral (Non-life) | NAIC group 3829 | Domestic private | NAIC / state DOIs | Partial | — |
| Heritage Indemnity Company NAIC 39527; TDI licence 93820; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1982/02/26 | GGeneral (Non-life) | NAIC group 2538 | Domestic private | NAIC / state DOIs | Partial | — |
| Incline National Insurance Company NAIC 19269; TDI licence 13766562; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2022/10/27 | GGeneral (Non-life) | NAIC group 4987 | Domestic private | NAIC / state DOIs | Partial | — |
| Insurance Company of the West NAIC 27847; TDI licence 5962; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1985/05/09 | GGeneral (Non-life) | NAIC group 0922 | Domestic private | NAIC / state DOIs | Partial | — |
| Interinsurance Exchange of the Automobile Club NAIC 15598; TDI licence 95220; domicile CA (foreign to Texas); type: Reciprocal; structure: n/a; licensed 1998/07/08; Texas-specific licence class | GGeneral (Non-life) | NAIC group 1318 | Mutual / cooperative | NAIC / state DOIs | Partial | 68 Confidence: Low |
| MERCURY CASUALTY COMPANY NAIC 11908; TDI licence 95241; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 1998/08/05 | GGeneral (Non-life) | NAIC group 0660 | Domestic private | NAIC / state DOIs | Partial | — |
| Mid-Century Insurance Company NAIC 21687; TDI licence 54250; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1953/07/15 | GGeneral (Non-life) | NAIC group 0069 | Domestic private | NAIC / state DOIs | Partial | — |
| NORCAL Insurance Company NAIC 33200; TDI licence 94610; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 2011/02/14 | GGeneral (Non-life) | NAIC group 0831 | Domestic private | NAIC / state DOIs | Partial | — |
| Pacific Compensation Insurance Company NAIC 11555; TDI licence 13766732; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 2023/12/07 | GGeneral (Non-life) | NAIC group 4485 | Domestic private | NAIC / state DOIs | Partial | — |
| Pacific Specialty Insurance Company NAIC 37850; TDI licence 94714; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1997/03/25 | GGeneral (Non-life) | NAIC group 2898 | Domestic private | NAIC / state DOIs | Partial | — |
| Preferred Employers Insurance Company NAIC 10900; TDI licence 13765909; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 2019/02/22 | GGeneral (Non-life) | NAIC group 0098 | Domestic private | NAIC / state DOIs | Partial | — |
| Qualitas Insurance Company NAIC 14133; TDI licence 95289; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1998/09/02 | GGeneral (Non-life) | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| Republic Indemnity Company of America NAIC 22179; TDI licence 94287; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1994/02/11 | GGeneral (Non-life) | NAIC group 0084 | Domestic private | NAIC / state DOIs | Partial | — |
| Republic Indemnity Company of California NAIC 43753; TDI licence 94288; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1994/02/11 | GGeneral (Non-life) | NAIC group 0084 | Domestic private | NAIC / state DOIs | Partial | — |
| RESIDENCE MUTUAL INSURANCE COMPANY NAIC 15776; TDI licence 96072; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Mutual; licensed 2006/02/08 | GGeneral (Non-life) | NAIC group 0800 | Mutual / cooperative | NAIC / state DOIs | Partial | — |
| Seaview Insurance Company NAIC 10004; TDI licence 13765077; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 2015/10/23 | GGeneral (Non-life) | NAIC group 0313 | Domestic private | NAIC / state DOIs | Partial | 72 Confidence: Low |
| Sequoia Insurance Company NAIC 22985; TDI licence 95934; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2004/08/17 | GGeneral (Non-life) | NAIC group 2538 | Domestic private | NAIC / state DOIs | Partial | 59 Confidence: Low |
| Stillwater Insurance Company NAIC 25180; TDI licence 95758; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 2002/12/10 | GGeneral (Non-life) | NAIC group 4869 | Domestic private | NAIC / state DOIs | Partial | — |
| SUPERIOR PACIFIC CASUALTY COMPANY NAIC 30570; TDI licence 94511; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 1995/08/15 | GGeneral (Non-life) | NAIC group 1252 | Domestic private | NAIC / state DOIs | Partial | — |
| Tesla Insurance Company NAIC 24813; TDI licence 7550; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1956/10/08 | GGeneral (Non-life) | NAIC group 5018 | Domestic private | NAIC / state DOIs | Partial | 79 Confidence: Low |
| Tesla Property & Casualty, Inc. NAIC 24821; TDI licence 93795; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1982/01/18 | GGeneral (Non-life) | NAIC group 5018 | Domestic private | NAIC / state DOIs | Partial | 63 Confidence: Low |
| Texas Bonding Company NAIC 10216; TDI licence 95181; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 1998/07/07; Registered as AMERICAN CONTRACTORS INDEMNITY COMPANY | GGeneral (Non-life) | NAIC group 3098 | Domestic private | NAIC / state DOIs | Partial | — |
| TIG Insurance Company NAIC 25534; TDI licence 83440; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1931/12/30 | GGeneral (Non-life) | NAIC group 0158 | Domestic private | NAIC / state DOIs | Partial | — |
| Truck Insurance Exchange NAIC 21709; TDI licence 84450; domicile CA (foreign to Texas); type: Reciprocal; structure: n/a; licensed 1936/03/10; Texas-specific licence class | GGeneral (Non-life) | NAIC group 0069 | Mutual / cooperative | NAIC / state DOIs | Partial | 54 Confidence: Low |
| WCF Select Insurance Company NAIC 21865; TDI licence 6450; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1925/01/01 | GGeneral (Non-life) | NAIC group 1147 | Domestic private | NAIC / state DOIs | Partial | — |
| Western General Automobile Insurance Company NAIC 27502; TDI licence 94780; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 1997/08/20 | GGeneral (Non-life) | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| WESTERN MUTUAL INSURANCE COMPANY NAIC 13625; TDI licence 96073; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Mutual; licensed 2006/02/08 | GGeneral (Non-life) | NAIC group 0800 | Mutual / cooperative | NAIC / state DOIs | Partial | — |
| Zenith Insurance Company NAIC 13269; TDI licence 93686; domicile CA (foreign to Texas); type: Fire and Casualty; structure: Stockholder; licensed 1981/06/29 | GGeneral (Non-life) | NAIC group 0158 | Domestic private | NAIC / state DOIs | Partial | 54 Confidence: Low |
| ZNAT Insurance Company NAIC 30120; TDI licence 93950; domicile CA (foreign to Texas); type: Casualty; structure: Stockholder; licensed 1992/10/23 | GGeneral (Non-life) | NAIC group 0158 | Domestic private | NAIC / state DOIs | Partial | — |
| Premier Access Insurance Company NAIC 60237; TDI licence 95678; domicile CA (foreign to Texas); type: Life, Accident or Health; structure: Stockholder; licensed 2002/03/11 | HHealth / Medical | NAIC group 0429 | Domestic private | NAIC / state DOIs | Partial | 73 Confidence: Low |
| Verda Health Plan of Texas, Inc. NAIC 17473; TDI licence 13766657; domicile CA (foreign to Texas); type: Health Maintenance Org; structure: Corporation; licensed 2023/04/24; Health plan licensed under a separate statute, not on a general insurance licence | HHealth / Medical | NAIC group 5093 | Domestic private | NAIC / state DOIs | Partial | — |
| Ladder Life Insurance Company NAIC 62154; TDI licence 13766623; domicile CA (foreign to Texas); type: Life, Accident or Health; structure: Stockholder; licensed 2023/02/15 | LLife | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| Atlas National Title Insurance Company NAIC 16827; TDI licence 13766833; domicile CA (foreign to Texas); type: Title; structure: Stockholder; licensed 2024/11/06 | XSpecialty / Credit / Captive | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| Real Advantage Title Insurance Company NAIC 50440; TDI licence 13764762; domicile CA (foreign to Texas); type: Title; structure: Stockholder; licensed 2013/09/16 | XSpecialty / Credit / Captive | No NAIC group code provided | Domestic private | NAIC / state DOIs | Partial | — |
| All Savers Life Insurance Company of California NAIC 73130; domicile CA; principal office Minneapolis; category: LIFE-DISABILITY; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Anthem Blue Cross Life and Health Insurance Company NAIC 62825; domicile CA; principal office Woodland Hills; category: LIFE-DISABILITY; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Automobile Club of Southern California Life Insurance Company NAIC 60256; domicile CA; principal office Costa Mesa; category: LIFE-DISABILITY; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Blue Shield of California Life & Health Insurance Company NAIC 61557; domicile CA; principal office Oakland; category: LIFE-DISABILITY; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Brident Insurance Company, Inc. NAIC 17347; domicile CA; principal office Orange; category: DISABILITY ONLY; Ownership not researched | HHealth / Medical | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Business Alliance Insurance Company NAIC 10830; domicile CA; principal office South San Francisco; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Automobile Assigned Risk Plan NAIC 17063; domicile CA; principal office Providence; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Automobile Insurance Company NAIC 38342; domicile CA; principal office Los Angeles; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Capital Insurance Company NAIC 13544; domicile CA; principal office Monterey; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Casualty & Fire Insurance Company NAIC 27464; domicile CA; principal office San Mateo; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Casualty Compensation Insurance Company NAIC 10063; domicile CA; principal office San Mateo; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Earthquake Authority NAIC 10779; domicile CA; category: SPECIALTY; Ownership not researched | XSpecialty / Credit / Captive | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California FAIR Plan NAIC 33665; domicile CA; principal office Los Angeles; category: SPECIALTY; Ownership not researched | XSpecialty / Credit / Captive | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California General Underwriters Insurance Company, Inc. NAIC 31046; domicile CA; principal office Los Angeles; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Members Title Insurance Company NAIC 15781; domicile CA; principal office Glendale; category: TITLE; Ownership not researched | XSpecialty / Credit / Captive | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| California Mutual Insurance Company NAIC 27480; domicile CA; principal office Hollister; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| CareAmerica Life Insurance Company NAIC 71331; domicile CA; principal office Oakland; category: LIFE-DISABILITY; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Civic Property and Casualty Company NAIC 10315; domicile CA; principal office Woodland Hills; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Civil Service Employees Insurance Company NAIC 10693; domicile CA; principal office Glendale; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Coast National Insurance Company NAIC 25089; domicile CA; principal office Woodland Hills; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Coastal Select Insurance Company NAIC 10887; domicile CA; principal office Fairfield; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Commerce West Insurance Company NAIC 13161; domicile CA; principal office Webster; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Companion Life Insurance Company of California NAIC 92444; domicile CA; principal office Columbia; category: LIFE-DISABILITY; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| CompWest Insurance Company NAIC 12177; domicile CA; principal office Lansing; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| CSAA Insurance Exchange NAIC 15539; domicile CA; principal office Walnut Creek; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Cypress Dental Insurance Company of California NAIC 16693; domicile CA; principal office Stockton; category: DISABILITY ONLY; Ownership not researched | HHealth / Medical | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Cypress Insurance Company NAIC 10855; domicile CA; principal office Omaha; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Eagle West Insurance Company NAIC 12890; domicile CA; principal office Monterey; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Exact Property and Casualty Company NAIC 10318; domicile CA; principal office Woodland Hills; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Falls Lake Fire and Casualty Company NAIC 15884; domicile CA; principal office Richmond; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Farmers Reinsurance Company NAIC 10873; domicile CA; principal office Woodland Hills; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| First American Specialty Insurance Company NAIC 34525; domicile CA; principal office Santa Ana; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Golden Bear Insurance Company NAIC 39861; domicile CA; principal office Stockton; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Health Net Life Insurance Company NAIC 66141; domicile CA; principal office St. Louis; category: LIFE-DISABILITY; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Homesite Insurance Company of California NAIC 11005; domicile CA; principal office Boston; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| ICW National Insurance Company NAIC 24635; domicile CA; principal office San Diego; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Kaiser Permanente Insurance Company NAIC 60053; domicile CA; principal office Pasadena; category: DISABILITY ONLY; Ownership not researched | HHealth / Medical | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Lawyers' Mutual Insurance Company NAIC 36706; domicile CA; principal office Burbank; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Loya Casualty Insurance Company NAIC 12589; domicile CA; principal office El Paso; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Luso-American Financial - A Fraternal Benefit Society NAIC 57967; domicile CA; principal office Dublin; category: FRATERNAL; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Medical Insurance Exchange of California NAIC 32433; domicile CA; principal office Oakland; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Mennonite Aid Plan of the Pacific Coast domicile CA; principal office Reedley; category: FRATERNAL FIRE; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Mercury Insurance Company NAIC 27553; domicile CA; principal office Los Angeles; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Monterey Insurance Company NAIC 23540; domicile CA; principal office Monterey; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| National General Premier Insurance Company NAIC 12832; domicile CA; principal office Winston-Salem; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Nations Insurance Company NAIC 13127; domicile CA; principal office Cerritos; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Neighborhood Spirit Property and Casualty Company NAIC 10317; domicile CA; principal office Woodland Hills; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Omaha National Casualty Company NAIC 32107; domicile CA; principal office Omaha; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Orion Indemnity Company NAIC 13250; domicile CA; principal office Santa Ana; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Portuguese Fraternal Society of America NAIC 57940; domicile CA; principal office Modesto; category: FRATERNAL; Ownership not researched | LLife | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Response Indemnity Company of California NAIC 10970; domicile CA; principal office Jacksonville; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| San Diego Insurance Company NAIC 10837; domicile CA; principal office Boston; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| State Compensation Insurance Fund NAIC 35076; domicile CA; principal office Pleasanton; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Sterling Casualty Insurance Company NAIC 12878; domicile CA; principal office Santa Ana; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| Sutter Health and Aetna Insurance Company NAIC 16979; domicile CA; principal office Cleveland; category: DISABILITY ONLY; Ownership not researched | HHealth / Medical | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |
| W Insurance Company NAIC 10683; domicile CA; principal office San Diego; category: Property & Casualty; Ownership not researched | GGeneral (Non-life) | Parent not named in register | Domestic private | NAIC / state DOIs | Partial | — |