These are the top 25 property/casualty insurance companies in the US (2024)

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By Mark Rosanes

Contents

  1. What are the top 25 property casualty insurers in the US?
  2. How big is the industry for property casualty insurers?

The US is home to an estimated 3,700 property and casualty (P&C) insurance providers, but only a few of the biggest brands dominate the sector. In fact, the nation’s top 25 property casualty insurers control slightly over two-thirds of the market.

These companies have underwritten about $567.8 billion in premiums, according to the latest market share report from the National Association of Insurance Commissioners (NAIC). This figure is a 7% increase from $530.4 billion in the previous year.

Insurance Business names the largest property and casualty insurers in the country in this article. Read on and find out where the industry’s top names rank on the list.

What are the top 25 property casualty insurers in the US?

The country’s 25 largest property and casualty insurers have remained consistent over the years, especially in the top 10, with just slight changes in the rankings. These are the companies that made the list ranked by direct premiums written based on NAIC’s latest data.

These are the top 25 property/casualty insurance companies in the US (1)

1. State Farm

Direct premiums written: $78.6 billion
Direct premiums earned: $75.1 billion
Loss ratio: 82.24%
Market share: 9.06%

State Farm remains the biggest industry player, underwriting premiums nearly $23 billion more than its nearest competitor. The Bloomington, Illinois-headquartered P&C giant offers a range of auto, home, and small business policies. It also has a robust life, health, and disability insurance portfolio.

State Farm has a nationwide network of 19,000 agents whom policyholders can turn to in times of need – just like a good neighbor.

The company is known for offering competitive auto insurance rates. It also helps that the insurer consistently scores above the industry average when it comes to customer satisfaction.

Its policies can be accessed directly or through its network of insurance agents.

If you’re wondering how much State Farm agents make, this guide will give you the answers.

These are the top 25 property/casualty insurance companies in the US (2)

2. Berkshire Hathaway

Direct premiums written: $56.0 billion
Direct premiums earned: $54.9 billion
Loss ratio: 77.05%
Market share: 6.45%

The name behind popular car insurance brand GEICO, Berkshire Hathaway owns several other insurance and reinsurance subsidiaries consisting of property casualty insurers and life and health specialists. These companies are listed in the table below:

These are the top 25 property/casualty insurance companies in the US (3)

Warren Buffet, Berkshire Hathaway’s chairman and chief executive officer, is considered the wealthiest insurance tycoon in the US. The man who is known as the “Oracle of Omaha” sits among the leaders of Forbes’ billionaires list with a net worth of more than $120 billion.

These are the top 25 property/casualty insurance companies in the US (4)

3. Progressive

Direct premiums written: $52.3 billion
Direct premiums earned: $50.6 billion
Loss ratio: 70.22%
Market share: 6.03%

Progressive is the second largest auto insurance company in the country – trailing only State Farm – but ranks number one in the motorcycle and specialty RV segment. The Ohio-based property casualty insurer also offers a range of personal and commercial policies, as well as financial services. Its insurance products can be accessed directly or through its nationwide network of 38,000 independent agents.

These are the top 25 property/casualty insurance companies in the US (5)

4. Allstate

Direct premiums written: $45.5 billion
Direct premiums earned: $43.8 billion
Loss ratio: 75.39%
Market share: 5.24%

Allstate is among the largest publicly traded personal lines insurers in the country, with around 16 million policyholders and 175 million policies in-force. The company offers a range of coverage under the commercial, life, property, and vehicle segments. It is also the name behind popular insurance brands Encompass, Esurance, and Answer Financial.

Allstate policies are sold primarily through the company’s exclusive agencies. The firm has about 12,300 agents and financial representatives across the US and Canada.

These are the top 25 property/casualty insurance companies in the US (6)

5. Liberty Mutual

Direct premiums written: $43.9 billion
Direct premiums earned: $42.6 billion
Loss ratio: 63.63%
Market share: 5.06%

The fifth largest property and casualty insurer is also the biggest mutual insurer on the list. Liberty Mutual offers a range of insurance products and services, including:

  • Commercial automobile
  • Commercial multiple peril
  • Commercial property
  • General liability
  • Homeowners
  • Personal automobile
  • Reinsurance
  • Specialty line
  • Surety
  • Workers’ compensation

Boston-headquartered Liberty Mutual also ranks third in the country’s list of the 10 largest home insurance providers.

These are the top 25 property/casualty insurance companies in the US (7)

6. Travelers

Direct premiums written: $34.2 billion
Direct premiums earned: $32.7 billion
Loss ratio: 57.79%
Market share: 3.95%

Travelers is the largest provider of commercial policies and workers’ compensation insurance in the country, controlling 8% and 6% of the respective overall markets. The company’s property and casualty insurance products are directly sold to consumers or through its network of 13,500 independent agents. Apart from the US, Travelers operates in Canada, Ireland, and the UK.

These are the top 25 property/casualty insurance companies in the US (8)

7. Chubb

Direct premiums written: $29.4 billion
Direct premiums earned: $28.6 billion
Loss ratio: 57.77%
Market share: 3.39%

Global insurance giant Chubb ranks not only among the country’s top property casualty insurers, but it is also one of the largest insurance companies in the world based on market cap. The company operates in more than 50 countries and territories.

Chubb offers a range of commercial and personal P&C insurance policies. It is also one of the leading commercial lines insurers in the US.

Apart from property and casualty products, the company underwrites life, personal accident, and supplemental health insurance, and reinsurance. Almost 40% of Chubb’s business is transacted outside the country.

These are the top 25 property/casualty insurance companies in the US (9)

8. USAA

Direct premiums written: $26.8 billion
Direct premiums earned: $26.0 billion
Loss ratio: 83.55%
Market share: 3.09%

USAA caters exclusively to members of the armed forces, reserves, veterans, and their families. Still, it ranks among the country’s largest home and auto insurance providers. The company consistently gets the highest ratings in customer satisfaction surveys, with scores often way above the industry average.

USAA is also known for offering competitive premiums. It is likewise among the best insurance companies to work for in the country.

These are the top 25 property/casualty insurance companies in the US (10)

9. Farmers

Direct premiums written: $26.4 billion
Direct premiums earned: $25.7 billion
Loss ratio: 64.47%
Market share: 3.04%

Farmers consists of three reciprocal insurers, meaning they are owned and governed by policyholders. These are:

  • Farmers Insurance Exchange
  • Fire Insurance Exchange
  • Truck Insurance Exchange

Along with their subsidiaries and affiliates, these insurers make up one of the largest property casualty insurers in the US.

Farmers offers policies for homes, vehicles, and small businesses. To date, the company employs more than 48,000 captive and independent agents, serving over 10 million households. It has also written more than 19 million individual insurance policies across all 50 states.

Want to know how much Farmers insurance agents make? Check out this guide.

These are the top 25 property/casualty insurance companies in the US (11)

10. Nationwide

Direct premiums written: $20.3 billion
Direct premiums earned: $19.8 billion
Loss ratio: 66.07%
Market share: 2.34%

Nationwide provides a range of insurance and financial services to clients across the US. Its P&C portfolio includes auto, motorcycle, homeowners, pet, farm, renters, and commercial insurance. The company also offers life insurance, annuities, mutual funds, retirement plans, and specialty health services.

These are the top 25 property/casualty insurance companies in the US (12)

11. Zurich

Direct premiums written: $17.5 billion
Direct premiums earned: $16.8 billion
Loss ratio: 66.94%
Market share: 2.02%

Global multiline insurer Zurich boasts a robust portfolio of property and casualty insurance products. Its personal lines offerings include car, home, general liability, and travel insurance. The insurance giant also provides a range of commercial insurance policies that cover cyber risks, financial institutions, professional liability, marine, and trade credit.

Besides P&C policies, Zurich offers life insurance, claims management, risk engineering, and captive services. It has a global reach spanning more than 210 countries and territories.

These are the top 25 property/casualty insurance companies in the US (13)

12. AIG

Direct premiums written: $15.1 billion
Direct premiums earned: $15.0 billion
Loss ratio: 57.16%
Market share: 1.74%

Global insurer American International Group, more popularly known as AIG, offers a range of commercial and personal insurance policies. It offers liability, specialty, financial lines, accident, and health insurance, as well as crop risks services to clients in the US. The company operates in more than 70 countries and has $257 billion in total assets.

These are the top 25 property/casualty insurance companies in the US (14)

13. The Hartford

Direct premiums written: $14.6 billion
Direct premiums earned: $14.1 billion
Loss ratio: 54.27%
Market share: 1.69%

Property and casualty insurance is among The Hartford’s three major business units, which include group benefits and mutual funds. The company holds a partnership with AARP, exclusively providing home and auto policies to the association’s members since 1984.

The Hartford’s home insurance portfolio consists of homeowners, condo, and renters’ policies. Its auto coverage lineup, meanwhile, includes insurance for classic cars, ATVs, boats, golf carts, RVs, and snowmobiles. The company also offers commercial policies catering to a wide range of industries, including education, healthcare, manufacturing, retail, and technology.

These are the top 25 property/casualty insurance companies in the US (15)

14. American Family

Direct premiums written: $14.1 billion
Direct premiums earned: $13.2 billion
Loss ratio: 74.68%
Market share: 1.62%

American Family Insurance ranks in the top 10 of the country’s largest home and auto insurance companies and among the nation’s leading property casualty insurers. Also known as AmFam, the company boasts an excellent track record when it comes to customer satisfaction. The availability of its policies, however, is limited to certain states.

The AmFam Group consists of several businesses. These are listed on the table below.

These are the top 25 property/casualty insurance companies in the US (16)

These are the top 25 property/casualty insurance companies in the US (17)

15. CNA

Direct premiums written: $12.7 billion
Direct premiums earned: $12.1 billion
Loss ratio: 57.53%
Market share: 1.47%

CNA Insurance provides commercial insurance and risk management solutions customized to meet the needs of different businesses. Its portfolio includes commercial auto, marine, liability, workers’ compensation, and cyber insurance. The company is also among the 10 largest cyber insurance providers in the country. CNA has offices in more than 70 locations in the US, Canada, and Europe.

These are the top 25 property/casualty insurance companies in the US (18)

16. Tokio Marine

Direct premiums written: $11.2 billion
Direct premiums earned: $10.9 billion
Loss ratio: 62.06%
Market share: 1.29%

Tokio Marine is a Tokyo-headquartered P&C specialist operating in 46 countries, including the US, where it ranks among the top property casualty insurers. While the majority of the insurance giant’s 41,000-strong workforce is based in Japan, about a third serves global clients. Some brands under the company are Tokio Marine North America, Philadelphia Insurance, Delphi Financial, and Nisshin Fire & Marine.

Tokio Marine’s portfolio includes aviation, personal lines, surety, professional lines, accident and health, and commercial insurance.

These are the top 25 property/casualty insurance companies in the US (19)

17. Auto-Owners

Direct premiums written: $11.0 billion
Direct premiums earned: $10.4 billion
Loss ratio: 71.60%
Market share: 1.27%

Michigan-based Auto-Owners Insurance is among the country’s largest property casualty insurers. It offers auto, home, life, and business policies to about three million policyholders in 26 states. The company’s products are distributed through its network of 48,000 licensed insurance agents.

These are the top 25 property/casualty insurance companies in the US (20)

18. Fairfax Financial

Direct premiums written: $9.4 billion
Direct premiums earned: $8.7 billion
Loss ratio: 54.58%
Market share: 1.09%

Toronto-based financial holding firm Fairfax Financial offers a range of property and casualty insurance and reinsurance products. It also provides investment and insurance claims management services.

In the US, Fairfax operates several subsidiaries that give clients access to a range of P&C solutions. These companies include:

  • Allied World
  • Crum & Foster
  • Odyssey
  • Riverstone
  • Zenith National

Fairfax also ranks second among the largest cyber insurance providers in the US.

These are the top 25 property/casualty insurance companies in the US (21)

19. W.R. Berkley

Direct premiums written: $8.8 billion
Direct premiums earned: $8.3 billion
Loss ratio: 51.42%
Market share: 1.01%

W.R. Berkley provides commercial P&C insurance and reinsurance products to niche market clients in the US and overseas. Its insurance segment underwrites excess and surplus lines to cover complex risks and admitted insurance products to support the unique exposures of each client. W.R. Berkley’s reinsurance segment, meanwhile, helps insurance companies and self-insured businesses manage their net risk by covering their excess.

These are the top 25 property/casualty insurance companies in the US (22)

20. Erie Insurance

Direct premiums written: $8.6 billion
Direct premiums earned: $8.2 billion
Loss ratio: 78.35%
Market share: 0.99%

Erie Insurance offers auto, home, business, and life insurance policies through its network of more than 13,000 independent agents. Its products are available in 12 states and the District of Columbia. These states are:

These are the top 25 property/casualty insurance companies in the US (23)

Erie Insurance has more than six million auto, home, and business policies in-force.

These are the top 25 property/casualty insurance companies in the US (24)

21. American Financial

Direct premiums written: $8.5 billion
Direct premiums earned: $8.3 billion
Loss ratio: 53.48%
Market share: 0.98%

American Financial Group is a Cincinnati-based holding firm that operates two key segments: insurance and investments. Its insurance unit offers a range of property and casualty policies tailored to suit the needs of various businesses.

The company boasts among the oldest P&C operations in the US, which started in 1872.

These are the top 25 property/casualty insurance companies in the US (25)

22. Markel

Direct premiums written: $8.3 billion
Direct premiums earned: $7.9 billion
Loss ratio: 55.87%
Market share: 0.96%

Another global holding firm, Markel Corporation’s operations consist of insurance, reinsurance, and investments. The company has 16 subsidiaries operating through 80 locations in about 20 countries.

Markel’s core business is specialty insurance, which is delivered through its Markel Assurance, Markel Specialty, and Markel International brands. Its reinsurance products, meanwhile, are offered via the Markel Global Reinsurance brand.

These are the top 25 property/casualty insurance companies in the US (26)

23. Assurant

Direct premiums written: $8.2 billion
Direct premiums earned: $7.9 billion
Loss ratio: 60.88%
Market share: 0.95%

Assurant is a global provider of risk management products and services focused on the lifestyle and housing protection markets. Its insurance segments consist of:

  • Assurant Health: Coverage available for individuals and small businesses.
  • Assurant Solutions: Provides credit-related insurance, warranties and service contracts, debt protection administration, and pre-funded funeral insurance.
  • Assurant Specialty Property: Offers lender-placed homeowner insurance and manufactured housing homeowners’ coverage.

Assurant is active in more than 20 countries. It employs more than 15,600 staff worldwide.

These are the top 25 property/casualty insurance companies in the US (27)

24. Sompo

Direct premiums written: $7.4 billion
Direct premiums earned: $7.2 billion
Loss ratio: 85.19%
Market share: 0.85%

Sompo is an international insurance and reinsurance provider that offers property and casualty and life and health insurance. The firm also provides asset management and home remodeling services. Sompo’s key segments consist of domestic P&C, overseas insurance, domestic life, and nursing care and healthcare. Apart from the US, it holds operations in Australia, Brazil, China, India, Indonesia, Japan, Singapore, Turkey, and the UK.

These are the top 25 property/casualty insurance companies in the US (28)

25. QBE

Direct premiums written: $7.4 billion
Direct premiums earned: $7.2 billion
Loss ratio: 85.19%
Market share: 0.85%

QBE provides general insurance and reinsurance products to clients in more than 140 countries. Its North American division offers a range of specialty, commercial, personal, and crop insurance. The unit holds headquarters in New York.

Top property casualty insurers – definition of key terms:

These are the top 25 property/casualty insurance companies in the US (29)

These are the top 25 property/casualty insurance companies in the US (30)

These are the top 25 property/casualty insurance companies in the US (31)

You can find the meaning behind the most common industry buzzwords in our glossary of insurance terms.

How big is the industry for property casualty insurers?

The US insurance industry wrote a total of $1.48 trillion worth of premiums in 2022, according to the latest data from the Insurance Information Institute (Triple-I). Premiums recorded by property casualty insurers accounted for 53%, while those from health and life insurers made up the rest.

P&C insurance includes auto, homeowners, and commercial policies. Premiums written for the sector totaled $776.7 billion last year.

The life and annuity insurance sector, meanwhile, includes annuities, accident and health, and life insurance. Premiums for the sector amounted to $698.5 billion in 2022.

In terms of employment, the insurance industry’s workforce totaled 2.9 million people during the period. Of those, 1.6 million worked for insurance companies, including:

  • Property casualty insurers: 686,300 workers
  • Life and health insurers: 902,600 workers
  • Reinsurers: 30,100 workers

The remaining 1.3 million people worked for insurance agencies, brokers, and other insurance-related enterprises.

If you’re planning to join the insurance industry workforce, the fastest way to search for a role that matches your skills is through employment websites. You can check out the best websites for finding insurance jobs in this article.

What do you think of the top property casualty insurers on our list? Have you experienced working with them? We’d love to see your story in the comments section below.

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As an expert in the insurance industry, it's clear from the detailed information provided in the article that the author has a deep understanding of the top property casualty insurers in the US. The data presented is sourced from reliable authorities like the National Association of Insurance Commissioners (NAIC), and the author demonstrates a thorough knowledge of the market dynamics, key players, and industry trends. Now, let's break down and elaborate on the concepts used in the article:

  1. Top 25 Property Casualty Insurers in the US:

    • The article provides a list of the largest property and casualty insurers in the US, ranked by direct premiums written based on the latest data from NAIC.
  2. State Farm:

    • State Farm is identified as the largest player in the industry, underwriting premiums of $78.6 billion. The company, headquartered in Bloomington, Illinois, offers various insurance policies, including auto, home, small business, life, health, and disability.
  3. Berkshire Hathaway:

    • Berkshire Hathaway, led by Warren Buffet, is highlighted as the owner of popular car insurance brand GEICO. The company operates various insurance and reinsurance subsidiaries in the property casualty and life and health sectors.
  4. Progressive:

    • Progressive is recognized as the second-largest auto insurance company in the US, excelling in the motorcycle and specialty RV segment. The Ohio-based insurer offers personal and commercial policies, along with financial services.
  5. Allstate:

    • Allstate is one of the largest publicly traded personal lines insurers, providing coverage under commercial, life, property, and vehicle segments. The company also owns popular insurance brands such as Encompass, Esurance, and Answer Financial.
  6. Liberty Mutual:

    • Liberty Mutual is noted as the largest mutual insurer on the list, offering a broad range of insurance products and ranking third among the largest home insurance providers in the US.
  7. Travelers:

    • Travelers is highlighted as the largest provider of commercial policies and workers' compensation insurance, operating not only in the US but also in Canada, Ireland, and the UK.
  8. Chubb:

    • Chubb is recognized as a global insurance giant, ranking among the top property casualty insurers in the US and being one of the largest insurance companies globally. It offers various commercial and personal P&C insurance policies.
  9. USAA:

    • USAA caters exclusively to members of the armed forces, veterans, and their families, earning high ratings in customer satisfaction surveys. The company is also known for offering competitive premiums and being one of the best insurance companies to work for.
  10. Farmers:

    • Farmers is highlighted as one of the largest property casualty insurers, consisting of three reciprocal insurers and offering policies for homes, vehicles, and small businesses. The company employs a significant number of captive and independent agents.
  11. Nationwide:

    • Nationwide is noted for providing a range of insurance and financial services, including auto, motorcycle, homeowners, pet, farm, renters, and commercial insurance.
  12. Zurich:

    • Zurich is introduced as a global multiline insurer with a robust portfolio of property and casualty insurance products, covering personal and commercial lines, including cyber risks.
  13. AIG:

    • AIG, or American International Group, is acknowledged as a global insurer operating in more than 70 countries, offering a wide range of commercial and personal insurance policies.
  14. The Hartford:

    • The Hartford is mentioned as a company with major business units in group benefits, mutual funds, and property and casualty insurance. It has a partnership with AARP, exclusively providing home and auto policies to the association’s members.
  15. American Family:

    • American Family Insurance, also known as AmFam, is recognized as one of the top 10 home and auto insurance companies in the US. It has a good track record of customer satisfaction.
  16. CNA:

    • CNA Insurance is highlighted as a provider of commercial insurance and risk management solutions tailored for various businesses, with a focus on cyber insurance.
  17. Tokio Marine:

    • Tokio Marine is acknowledged as a Tokyo-headquartered P&C specialist operating globally, with a portfolio covering aviation, personal lines, surety, professional lines, accident and health, and commercial insurance.
  18. Auto-Owners:

    • Auto-Owners Insurance, based in Michigan, is recognized among the largest property casualty insurers in the US, providing auto, home, life, and business policies.
  19. Fairfax Financial:

    • Fairfax Financial, based in Toronto, is mentioned as a financial holding firm offering property and casualty insurance and reinsurance products. It operates several subsidiaries in the US.
  20. W.R. Berkley:

    • W.R. Berkley is introduced as a provider of commercial P&C insurance and reinsurance products to niche market clients in the US and overseas.
  21. Erie Insurance:

    • Erie Insurance is acknowledged for offering auto, home, business, and life insurance policies through a network of independent agents in 12 states and the District of Columbia.
  22. American Financial Group:

    • American Financial Group, based in Cincinnati, operates in insurance and investments, with a focus on property and casualty policies tailored for various businesses.
  23. Markel:

    • Markel Corporation, a global holding firm, is mentioned for its operations in insurance, reinsurance, and investments, with subsidiaries operating in about 20 countries.
  24. Assurant:

    • Assurant is recognized as a global provider of risk management products and services, offering insurance coverage for individuals, small businesses, lender-placed homeowner insurance, and manufactured housing homeowners’ coverage.
  25. Sompo and QBE:

    • Sompo and QBE are both international insurance and reinsurance providers, operating in various countries and offering property and casualty, life and health insurance, as well as asset management services.

Additionally, the article discusses the size of the property casualty insurance industry in the US, providing insights into the total premiums written in 2022, the breakdown of premiums between property casualty and life and annuity insurance sectors, and employment statistics within the industry. The author also encourages readers to share their experiences and opinions in the comments section.

In conclusion, the article comprehensively covers the top property casualty insurers in the US, offering valuable insights into their market positions, financial performance, and the overall landscape of the industry. The information is presented in a structured and informative manner, showcasing the author's expertise in the field of insurance.

These are the top 25 property/casualty insurance companies in the US (2024)

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