| # | Company | Employees |
|---|---|---|
| 1 |
Farmers Insurancefarmers.com
Insurance provider offering vehicle, home, small business coverage, specialty insurance, financial services, personalized customer service, and community volunteerism. |
46,814 |
| 2 |
Farmers Insurance Group of Companiesfarmers.com
One of the largest insurers in the US offering vehicle, home, and small business insurance along with financial services through agents and employees nationwide |
8,121 |
| 3 |
Blue Shield of Californiablueshieldca.com
Nonprofit health plan offering medical, dental, vision, Medicaid, and Medicare services to nearly six million members in California. |
7,973 |
| 4 |
AAA Auto Club Enterprisescareers.ace.aaa.com
Operating motor clubs, providing roadside assistance, offering member benefits, and ensuring peace of mind for motorists across 21 states through dedicated employees and services. |
7,030 |
| 5 |
Delta Dental Ins.www1.deltadentalins.com
This company provides dental benefits and coverage to millions of enrollees, focusing on accessible, high-quality care through a network of affiliated companies. |
6,050 |
| 6 |
CSAA Insurance Group, a AAA Insurercareers.csaa-insurance.aaa.com
The company is committed to excellence in providing insurance services, supporting employees, members, and communities, and embracing change for progress |
5,564 |
| 7 |
Health Nethealthnet.com
Provides health insurance plans and support programs for individuals, families, businesses, Medicare, and Medi-Cal members in California. |
5,081 |
| 8 |
Patra Corporationpatracorp.com
Leader in technology-enabled insurance outsourcing, optimizing processes with people and technology through PatraOne platform for agencies, MGAs, wholesalers, and carriers globally |
4,226 |
| 9 |
CorVel Corporationcorvel.com
A nationally recognized claims management and managed care provider with 30 years of experience offering risk management solutions for better outcomes |
3,838 |
| 10 |
Mercury Insurancemercuryinsurance.com
Offering auto, home, condo, renters, business insurance, and mechanical protection through independent agents across multiple U.S. states. |
3,477 |
| 11 |
State Compensation Insurance Fundstatefundca.com
Providing fairly priced workers' compensation insurance, promoting workplace safety, and supporting injured workers across California's diverse workforce. |
3,454 |
| 12 |
Automobile Club of Southern Californiaaaa.com
This company focuses on delivering legendary service to over 16 million members through innovation, dedication, and a commitment to employee growth |
3,401 |
| 13 |
VSP Vision Carevsp.com
Providing quality vision care, personalized attention, and affordable eyewear options to ensure superior eye health and member satisfaction. |
2,945 |
| 14 |
Gogocarinsurance.com
The company focuses on preventing accidents before they occur through innovative solutions and technologies |
1,716 |
| 15 |
Acrisureacrisure.com
Established in 1972, we are one of California's largest independent insurance brokerage firms specializing in commercial insurance, surety, and employee benefits services |
1,455 |
| 16 |
Fred Loya Insurance Agencyfredloya.com
A rapidly growing auto insurance company offering fast service and competitive rates, with over 500 agencies and plans for further expansion |
1,436 |
| 17 |
Motor Club of America Career Networkmcacareernetwork.com
This company offers career opportunities through a trusted and growing motor club business, hiring sales associates and recruiters Based in Oklahoma |
1,400 |
| 18 |
Confieconfie.com
Largest independent personal lines insurance agency in the US offering auto, homeowners, renters, life, and health coverage with trusted local service. |
1,366 |
| 19 |
Freeway Insurance Services, Inc.freeway.com
Dedicated insurance agents helping customers nationwide find affordable and tailored insurance plans from leading carriers with expert guidance and exceptional customer service |
1,328 |
| 20 |
Acceptance Insuranceacceptance.com
Leading provider of personal automobile insurance and related products, with over 700 agents offering no-hassle quotes and tailored services in 15 states |
1,273 |
| 21 |
ICW Groupicwgroup.com
National multi-line property and casualty insurance company offering comprehensive coverage through multiple carriers to protect customers and support independent agents. |
1,242 |
| 22 |
Zenith Insurance Company (United States)thezenith.com
Specialist in workers' compensation and property casualty insurance focused on California agriculture, delivering expert service and client outcomes. |
1,238 |
| 23 |
Covered Californiacovrdca.com
This company provides a variety of affordable, brand-name health insurance plans for individuals and businesses in California, promoting access to quality health care |
1,225 |
| 24 |
The Doctors Companythedoctors.com
A company founded and led by physicians, committed to advancing and protecting good medicine with expert guidance, resources, and coverage |
1,125 |
| 25 |
Esurance
Joining Allstate, this company will no longer be active on LinkedIn Follow Allstate for news and updates |
1,050 |
| 26 |
Berkshire Hathaway Homestate Companies - Workers Compensation Divisionbhhc.com
A national insurance group with 50+ years of experience, focused on financial strength, integrity, and personalized service across the United States |
994 |
| 27 |
Partnership HealthPlan of Californiapartnershiphp.org
Non-profit organization managing Medi-Cal benefits through local providers to deliver comprehensive, cost-effective healthcare to California communities. |
937 |
| 28 |
K2 Insurance Servicesk2ins.com
Specialty insurance services company focused on strategic acquisitions to diversify earnings and enhance distribution economics, offering innovative products through various channels |
930 |
| 29 |
Keenankeenan.com
This company offers insurance and financial solutions for schools, public agencies, and healthcare organizations, focusing on employee benefits, risk management, claims services, and technology |
853 |
| 30 |
Liberty Dental Planlibertydentalplan.com
A managed dental care benefits administrator specializing in government-sponsored programs, providing cost-effective, quality dental services through a large network |
768 |
| 31 |
California Department of Insuranceinsurance.ca.gov
Leading consumer protection agency overseeing insurer solvency, agent licensing, market conduct reviews, complaint resolution, and insurance fraud investigation and prosecution in California |
744 |
| 32 |
Solartis LLCsolartis.com
A company offering technology-driven solutions for policy administration in the P&C insurance industry, combining expertise with cloud-based platforms and business process outsourcing services |
742 |
| 33 |
Health Net Federal Serviceshnfs.com
Partnered with the Department of Defense to provide healthcare services for military members and their families, focusing on improving health outcomes and lowering costs |
722 |
| 34 |
Coalition, Inc.coalitioninc.com
A pioneering Active Insurance provider combining coverage and cybersecurity tools to proactively manage and mitigate digital risks for businesses globally |
708 |
| 35 |
Heffernan Insurance Brokersheffins.com
Provider of custom insurance solutions for unique needs, offering personal service with a commitment to community, employee-owned, serving clients coast to coast |
695 |
| 36 |
Inszone Insurance Servicesinszoneinsurance.com
Full-service insurance agency offering personal and business insurance nationwide with a focus on customer satisfaction, relationships, and simplifying the insurance shopping process |
668 |
| 37 |
Hippo Insurancehippo.com
A company offering proactive homeowners insurance with modern coverage, smart home technology, and access to Hippo Home Care for optimal protection |
616 |
| 38 |
Health Insurancemaryeblen.com
A California-based health insurance agency providing expert advice and coverage for individuals, families, seniors, and small businesses for over 21 years |
592 |
| 39 |
The Word & Brown Companieswbcompanies.com
A company dedicated to simplifying access to health insurance choices for businesses, employees, and individuals through group and individual coverage, private health exchanges, and prescription drug discounts |
592 |
| 40 |
Next Insurancenextinsurance.com
Next Insurance provides simple, affordable, and tailored insurance coverage for self-employed business owners, helping protect their hard work and passion |
585 |
| 41 |
Marsh McLennan Agency - Westmarshmma.com
MMA provides business insurance, employee benefits, retirement, and private client solutions with a personalized local touch and global resources |
572 |
| 42 |
Nationwide Petpetinsurance.com
Leader in voluntary pet insurance benefits, offering coverage for dogs, cats, birds, and exotic pets to over 9,000 employer groups nationwide |
563 |
| 43 |
California Casualtycalcas.jobs
Provider of high-quality insurance coverage and service at competitive prices, tailored for educators, law enforcement, and public safety officers Dedicated to community support and environmental responsibility |
560 |
| 44 |
First American Home Warrantyhomewarranty.firstam.com
A leading provider of affordable home protection plans for systems and appliances, offering reliable repairs through a network of qualified contractors |
546 |
| 45 |
TRISTAR Insurance Grouptristargroup.net
A privately held third party claims administrator offering property casualty claims management, benefits administration, and managed care services with a focus on integrity and excellence |
528 |
| 46 |
Capital Insurance Groupciginsurance.com
Regional property and casualty insurance provider offering agriculture, commercial, and personal coverage through independent agents in Western U.S. states. |
526 |
| 47 |
Hull & Companyhullco.com
Wholesale insurance broker and managing general agency serving licensed agents nationwide, specializing in personal and commercial lines insurance with multiple carriers |
500 |
| 48 |
Junta de Pensiones del Magisterio Nacionalpensiones.co.cr
The Pension and Retirement Board serves teachers, staff, and retirees by managing pension schemes under state supervision, handling RTR pensions and RCC administration |
483 |
| 49 |
Athens Administratorsathensadmin.com
A recognized leader in third party claims administration services, providing Workers' Compensation, Property & Casualty, Managed Care, and Program Business solutions |
482 |
| 50 |
Arrowhead General Insurance Agency, Inc.arrowheadgrp.com
Specializing in property and casualty insurance solutions, administrative services, and niche-targeted insurance products for independent agents, brokers, and insurance companies since 1983 |
442 |
| 51 | 442 | |
| 52 |
Warner Pacific Insurance Serviceswarnerpacific.com
Providing comprehensive insurance quoting, customer service, and sales support to brokers nationwide through partnerships with leading carriers. |
440 |
| 53 |
Venbrookvenbrook.com
A holding company operating insurance organizations in retail brokerage, wholesale, programs, and claims services, catering to national clients with diverse risk management solutions |
435 |
| 54 |
US GOVERNMENT/DOD/US ARMYspjst.org
A company providing recruiting and personnel services, with previous experience in industrial sales and currently offering life insurance part-time |
418 |
| 55 |
DUAL North Americadualinsurance.com
Specialty Program Manager offering comprehensive and innovative solutions in Property, Casualty, and Financial Lines with expert underwriters across the US |
410 |
| 56 |
Orange Coast Title Companyoctitle.com
A nationwide title company with a commitment to exceptional service, specializing in closing real estate transactions efficiently and effectively since 1974 |
394 |
| 57 |
Cowbellcowbell.insure
Provides tailored standalone cyber coverage for small and medium-sized enterprises using AI for continuous risk assessment and underwriting, offering comprehensive risk management services. |
377 |
| 58 |
Amwins Connectamwinsconnect.com
Amwins Connect provides insurance brokers with training, service, tools, and support to gain a competitive edge, offering personalized assistance and valuable resources |
376 |
| 59 |
InterWest Insurance Servicesiwins.com
An innovative insurance brokerage firm with expertise in property, casualty, workers' compensation, employee benefits, and surety products, serving clients nationwide |
375 |
| 60 |
Aspire General Insuranceaspiregeneral.com
A California-based insurance company specializing in private passenger auto coverage, with expertise in liability, physical damage, and claims handling |
365 |
| 61 |
HealthComppersonifyhealth.com
HealthComp is a leading third-party administrator specializing in providing customizable healthcare solutions, including medical, dental, vision, COBRA, and other benefits |
364 |
| 62 |
DigiStream Investigationsdigistream.com
A full-service investigative company using field surveillance and social media investigations to minimize risks and provide high return on investment |
364 |
| 63 |
ALKEME Insurancealkemeins.com
Provider of diverse policies, digital services, and risk management tools to serve a wide range of customers efficiently and effectively |
351 |
| 64 |
Intercare Holdings Insurance Servicesintercareins.com
Provider of results-driven loss cost solutions for public and private entities, offering claims administration, managed care services, and customized risk management programs with a focus on integrity and customer satisfaction |
351 |
| 65 |
At-Bayat-bay.com
Provider of specialty insurance combining cybersecurity technology and insurance products to protect businesses from cyber risks and professional liabilities. |
350 |
| 66 |
Newfront (Formerly ABD)theabdteam.com
Company provides risk management, insurance brokerage, human resources, and retirement consulting services with innovative solutions for clients of all sizes and industries globally |
348 |
| 67 |
Answer Financialanswerfinancial.com
Insurtech company offering auto and home insurance through partnerships with over 40 providers, serving various industries with insurance comparison technology Part of Allstate family |
337 |
| 68 |
Santa Clara Family Health Planscfhp.com
Community-based health plan in Santa Clara County providing high-quality healthcare coverage for residents through partnerships with providers and community organizations |
330 |
| 69 |
New York Lifecbizlife.com
A small business marketing consultancy offering services like branding, content creation, digital marketing, events, and social media to boost sales and client retention |
324 |
| 70 |
pasargadinsuranceinsurancepasargad.com
The company provides a variety of insurance services including car, fire, personal, life, and property insurance with a focus on customer comfort and future planning |
281 |
| 71 |
ISC (Integrated Specialty Coverages, LLC)iscmga.com
Innovative program administrator specializing in underwriting, client service, and insurance platforms for various industries including commercial property, hospitality, trucking, and contractors |
259 |
| 72 |
Sidecar Healthsidecarhealth.com
Innovative health insurance company empowering consumers with cost control and coverage choices, striving to make quality healthcare accessible to all |
259 |
| 73 |
Justjust.insure
Revolutionary tech start-up disrupting US auto insurance industry with app-based solution for fair, affordable coverage, backed by major investors |
251 |
| 74 |
Applied General Agencyappliedga.com
A Field Marketing Organization offering support, technology, and customized marketing plans for independent insurance agents specializing in Medicare |
219 |
| 75 |
Republic Indemnityrepublicindemnity.com
A workers' compensation company based in California, offering clear solutions to overcome complexities and provide financial stability and support |
219 |
| 76 |
Nirvana Insurancenirvanatech.com
A tech platform modernizing commercial insurance through predictive modeling, automation, and data-driven insights to improve safety and protect businesses |
209 |
| 77 |
James G Parker Insurance Associatesjgparker.com
A top 100 privately-held insurance agency in the nation, offering a wide range of insurance products and services in California |
195 |
| 78 |
BTISmarketplace.btisinc.com
Specializing in insurance for the construction industry, with a team boasting over 127 years of collective experience in the insurance industry Delivering quick, efficient, and high-quality service to clients |
180 |
| 79 |
The Surplus Line Association of Californiaslacal.com
Advising surplus line brokers in California to ensure compliance with state laws, protect consumers, and maintain a competitive marketplace for insurance placements |
179 |
| 80 |
Poms & Associatespomsassoc.com
The company provides a range of insurance services, risk management, and corporate wellness programs, focusing on education and personalized solutions for clients' needs |
177 |
| 81 |
Adriana'sadrianasinsurance.com
A company with 30+ years of experience and 60+ offices in Southern California offering insurance services for auto, home, life, business, and motorcycle They also provide services for plate renewal, title transfers, and international licenses |
177 |
| 82 |
Input 1input1.com
With over 35 years of experience, this company specializes in providing digital billing and payment solutions to the property and casualty insurance industry |
177 |
| 83 |
Clever Care Health Planclevercarehealthplan.com
Healthcare company providing culturally sensitive care, merging Eastern and Western medicine for better member access and improved health outcomes |
175 |
| 84 |
Globe Life American Income Division: CV Organizationcvorganization.com
Representing American Income Life Insurance Company products for niche labor unions, credit unions, associations, and school districts in Southern California with four offices |
174 |
| 85 |
Valley Health Planvalleyhealthplan.org
Local HMO health plan owned by Santa Clara County, offering coverage for employer groups and individuals/families in Santa Clara County Qualified Health Plan Issuer in Covered California |
174 |
| 86 |
IMA Los Angelesimacorp.com
A trusted leader in commercial insurance, risk management, surety, and employee benefits consulting, offering tailored solutions to help businesses thrive and succeed |
174 |
| 87 |
Anchor General Insurance Agencysecure3.anchorgeneral.com
An insurance company specializing in non-standard auto coverage in multiple states, with a focus on customer service and employee investment |
173 |
| 88 |
RAINBOWuserainbow.com
Transforming insurance for small businesses, with a focus on restaurants Proactively preventing claims to protect and support business growth |
173 |
| 89 |
Nonprofits Insurance Alliance (NIA)insurancefornonprofits.org
A leading insurer providing specialized property and liability coverage exclusively for nonprofit organizations, fostering long-term sustainability and community impact |
172 |
| 90 |
Pacific Specialty Insurance Companypacificspecialty.com
Provider of property and powersports insurance with 24/7 claims assistance, offering a range of coverage options including homeowners, renters, motorcycle, and more |
171 |
| 91 |
FCE Benefit Administrators, Inc.fcebenefits.com
The company specializes in providing cost-effective fringe benefit plans to government contractors, ensuring compliance with various regulations such as SCA/DBRA and PPACA |
171 |
| 92 |
Marsh McLennan Agency | Momentous Insurance Brokeragemomentousins.com
A leading insurance brokerage providing top-tier consultation across various areas including private client, entertainment, management liability, employee benefits, and commercial lines |
168 |
| 93 |
Auto Club Of So Californiaaaa.com
An insurance company located in Los Angeles, California, providing services to clients in the Southern California region |
166 |
| 94 |
Perr&Knightperrknight.com
Established in 1994, this company offers insurance consulting and software solutions to property & casualty and accident & health industries, including actuarial services and predictive analytics |
165 |
| 95 | 163 | |
| 96 |
Cooperative of American Physicians, Inc.capphysicians.com
Provider of top-rated medical professional liability coverage through Mutual Protection Trust, serving over 12,000 California physicians with risk management services |
163 |
| 97 |
Jackson & Associatesjackson-ins.com
Established in 1963, this Central Valley insurance agency offers full-service coverage for personal, business, health, financial, and agribusiness needs |
155 |
| 98 |
SAG-AFTRA Health Plan | SAG-Producers Pension Plansagaftraplans.org
A company dedicated to putting people first, providing top healthcare and pension benefits, and supporting employees to do their best work |
152 |
| 99 |
George Petersen Insurance Agencygpins.com
Providing comprehensive insurance coverage since 1935, specializing in business insurance, employee benefits, and personal insurance with exceptional service and competitive pricing |
152 |
| 100 |
EOI Service Company, Powered by Centroeoiservice.com
National benefits communication and enrollment firm with over 45 years of experience in designing, communicating, and enrolling core and voluntary benefits for clients nationwide |
151 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
More company lists in California
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The same list elsewhere in United States
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- Insurance companies in Illinois 118
- Insurance companies in Pennsylvania 95
- Insurance companies in New Jersey 75
- Insurance companies in Ohio 72
- Insurance companies in Massachusetts 63
- Insurance companies in Alabama 54
- Insurance companies in Georgia 53
- Insurance companies in Michigan 51
- Insurance companies in North Carolina 49
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