30 Largest Property and Casualty Insurance Companies in USA

 

30 Largest Property and Casualty Insurance Companies in USA- According to the National Association of Insurance Commissioners (NAIC) in 2024, there are 30 largest property and casualty insurance companies in the USA. These companies typically have written premiums amounting to billions of US dollars. Property insurance and casualty insurance (also known as P&C insurance) are types of insurance that help protect you and your property. Property and casualty (P&C) insurance provides coverage for physical properties such as homes, cars, and other belongings. These insurances also include liability coverage, which helps protect you if you are found legally responsible for an accident that causes injuries to another person or damage to their property.

 

 

All the data was commonly obtained from the National Association of Insurance Commissioners (NAIC) database in 2025. Functionally, the National Association of Insurance Commissioners (NAIC), founded in 1871, provides expertise, data, and analysis for insurance commissioners to effectively regulate the industry and protect consumers.

Many individuals in the United States of America (USA) rely on insurance companies to mitigate the unpredictable risks associated with property and casualty. Statistically, in 2024, the total Direct Premiums Written by all insurance companies in the USA market amounted to USD 1,064,869 million. Meanwhile, the total Direct Premiums Earned in the USA market reached USD 1,029,296 million.

Here are the ranks of 30 Largest Property and Casualty Insurance (P&C) Companies in the USA in 2024. All the data were obtained from the published market share data report of National Insurance Commissioners in 2024. This rank was arranged based on Direct Premium Written in Property and Casualty (P&C). 

 

The Rank of 100 Largest Property and Casualty Insurance Companies in the USA

 

Rank	Property and Casualty (P&C)	Direct Premiums Written in 2024	Direct Premiums Earned in 2024	Market Share
	Insurance Companies	(Thousand US Dollar (USD))	(Thousand US Dollar (USD))	(%)
1	State Farm Group	108,982,080	104,207,363	10.23%
2	Progressive Group	75,884,809	72,159,534	7.13%
3	Berkshire Hathaway Group	63,279,827	62,597,109	5.94%
4	Allstate Insurance Group	55,859,006	53,787,918	5.25%
5	Liberty Mutual Group	44,138,829	44,986,697	4.14%
6	Travelers Group	41,921,555	40,529,337	3.94%
7	United Services Automobile Association (USAA)	36,134,506	34,866,623	3.39%
8	Chubb Ltd Group	33,327,135	32,491,997	3.13%
9	Farmers Insurance Group	28,288,709	27,915,125	2.66%
10	Zurich Insurance Group	18,565,277	18,212,722	1.74%
11	Nationwide Corp Group	17,693,031	18,467,970	1.66%
12	American Family Insurance Group	17,618,190	16,757,354	1.65%
13	Hartford Fire & Casualty Group	17,421,662	16,723,339	1.64%
14	American International Group	16,272,070	16,002,315	1.53%
15	Auto Owners Group	15,891,440	14,580,492	1.49%
16	CNA Insurance Group	14,392,564	13,909,679	1.35%
17	Tokio Marine Holdings Inc Group	12,764,122	12,387,064	1.20%
18	Erie Insurance Group	11,950,797	11,014,625	1.12%
19	Fairfax Financial Group	11,596,650	11,566,291	1.09%
20	Wr Berkley Corporation Group	10,995,657	10,549,382	1.03%
21	American Financial Group	9,763,603	9,596,574	0.92%
22	Markel Group	9,669,062	9,340,669	0.91%
23	Cincinnati Financial Group	8,641,912	8,019,473	0.81%
24	Auto Club Enterprises Ins Group	8,146,853	7,563,043	0.77%
25	AXA Insurance Group	7,697,206	7,559,832	0.72%
26	CSAA Insurance Group	7,601,062	6,778,751	0.71%
27	QBE Insurance Group	7,328,585	7,200,457	0.69%
28	Allianz Insurance Group	7,313,099	7,203,988	0.69%
29	Assurant Inc Group	7,154,412	6,902,228	0.67%
30	Sompo Group	7,126,813	6,983,474	0.67%
31	Starr Group	7,125,881	6,979,059	0.67%
32	Old Republic Group	7,105,341	6,691,873	0.67%
33	Arch Insurance Group	6,995,040	6,811,572	0.66%
34	Fm Global Group	6,925,222	6,953,757	0.65%
35	Amtrust Financial Sew Group	6,816,228	6,920,773	0.64%
36	The Hanover Insurance Group	6,542,050	6,396,178	0.61%
37	Mercury Gen Group	5,465,537	5,160,890	0.51%
38	Sentry Insurance Group	5,415,924	5,208,506	0.51%
39	Munich Re Group	5,371,508	5,131,790	0.50%
40	Selective Insurance Group	5,319,457	5,034,952	0.50%
41	Citizens Property Insurance Corp	4,597,894	4,953,198	0.43%
42	Automobile Club Ml Group	3,975,401	3,809,842	0.37%
43	Kemper Corp Group	3,855,221	3,875,727	0.36%
44	Brookfield Wealth Solutions Group	3,702,953	3,889,031	0.35%
45	Country Insurance & Fin Sew Group	3,560,339	3,407,890	0.33%
46	Axis Capital Group	3,518,449	3,350,694	0.33%
47	Everest Reinsurance Holdings Group	3,412,946	3,506,674	0.32%
48	Westfield Group	3,212,182	3,046,885	0.30%
49	Acuity A Mutual Insurance Co	3,100,274	2,854,309	0.29%
50	Swiss Re Group	3,001,729	2,984,832	0.28%
51	Amica Mutual Group	2,978,156	2,876,669	0.28%
52	MS & AD Insurance Group	2,969,537	2,260,528	0.28%
53	Federated Mutual Group	2,934,510	2,753,761	0.28%
54	Shelter Insurance Group	2,913,100	2,745,677	0.27%
55	BCBS Of Michigan Group	2,857,476	2,931,952	0.27%
56	New Jersey Manufacturers Group	2,795,630	2,597,349	0.26%
57	Mapfre Insurance Group	2,677,067	2,635,743	0.25%
58	Iowa Farm Bureau Group	2,604,876	2,382,622	0.24%
59	Core Specialty Insurance Holdings Group	2,439,025	2,312,675	0.23%
60	Alfa Insurance Group	2,288,018	2,223,233	0.21%
61	Southern Farm Bureau Casualty Group	2,278,668	2,226,909	0.21%
62	Texas Farm Bureau Mutual Group	2,259,676	2,167,533	0.21%
63	West Bend Insurance Group	2,247,691	2,184,350	0.21%
64	IAT Reinsurance Co Group	2,218,066	2,135,843	0.21%
65	EMC Insurance Co Group	2,164,804	2,227,089	0.20%
66	Intact Financial Group	2,138,701	2,095,433	0.20%
67	Universal Insurance Holding Group	2,069,692	1,999,805	0.19%
68	Washington State Fund	2,053,238	2,053,238	0.19%
69	Tennessee Farmers Group	2,048,966	1,963,385	0.19%
70	Ru Insurance Group	1,986,046	1,895,065	0.19%
71	North Carolina Farm Bureau Group	1,875,648	1,796,058	0.18%
72	Kinsale Insurance Co	1,870,341	1,743,243	0.18%
73	Utica Group	1,866,936	1,779,994	0.18%
74	Farmers Mutual Hail Insurance Group	1,797,987	1,656,646	0.17%
75	Tiptree Financial Group	1,724,937	1,614,860	0.16%
76	State Insurance Fund Workers Compensation	1,686,141	1,700,064	0.16%
77	Clear Blue Financial Group	1,670,678	1,710,136	0.16%
78	Incline Insurance Group LLC Group	1,606,891	1,552,890	0.15%
79	Frontline Insurance Group	1,587,975	1,477,567	0.15%
80	Grange Mutual Casualty Group	1,585,886	1,596,607	0.15%
81	Kentucky Farm Bureau Group	1,563,552	1,480,099	0.15%
82	Trisura Group	1,490,068	1,528,022	0.14%
83	Doctors Co Group	1,489,115	1,447,614	0.14%
84	ACP Insurance Management LLC Group	1,476,108	1,025,421	0.14%
85	Skyward Specialty Insurance Group Inc Group	1,458,637	1,375,917	0.14%
86	Heritage Insurance Holdings Group	1,436,888	1,410,102	0.13%
87	James River Group	1,429,790	1,445,652	0.13%
88	Palomar Holdings Group	1,403,383	1,301,901	0.13%
89	Encova Mutual Insurance Group	1,401,044	1,354,003	0.13%
90	Coaction Global Inc Group	1,362,292	1,287,569	0.13%
91	Greater Ny Group	1,320,871	1,235,824	0.12%
92	ICW Group	1,317,059	1,311,225	0.12%
93	Tower Hill Insurance Group	1,308,563	1,235,578	0.12%
94	Western National Mutual Group	1,284,170	1,203,142	0.12%
95	Ascot Insurance US Group	1,276,299	1,140,597	0.12%
96	Apollo Global Management Group	1,269,352	1,251,743	0.12%
97	FCCI Mutual Insurance Group	1,229,647	1,177,893	0.12%
98	Beazley Group	1,227,345	852,725	0.12%
99	Florida Peninsula Holdings Group	1,226,418	1,021,857	0.12%
100	Arbella Insurance Group	1,206,878	1,154,573	0.11%
Source: NAIC, 2025

 

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See also:
100 Largest Commercial Auto Insurance Companies in The USA

35 World's Largest  Insurance Companies in 2024

Brief Descriptions of 30 Largest Property and Casualty Insurance Companies in the USA

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1. State Farm Insurance

State Farm Insurance is one of the largest Property and casualty (P&C) insurance companies based in Bloomington, Illinois, USA. Historically, George J. Mecherle built this corporation in June 1922. Basically, George is a retired farmer who is widely regarded as one of the most powerful figures in the insurance business. With the development of its business, the State Farm employs over 65,000 people and has grown into 19,000 agents, 343 claim offices and 30 operations centers. In terms of financial position, State Farm has total assets of around USD 239 billion in the year 2024 obtained from Balance Sheet of Annual Report in 2024. Related to business performance in 2024, State Farm Insurance successfully gained total net income of around USD 4.86 billion.

In terms of financial ratings from Financial Intuition in USA, State Farm Insurance has financial ratings of A++ from A.M. Best®, Aa1 from Moody’s®, and AA from Standard & Poor’s. Based on the Report of National Association of Insurance Commissioners (NAIC) in 2024 in Property and Casualty (P&C) industry, the State Farm Insurance gained direct premiums written around USD 108.9 billion and direct premiums earned around USD 104.2 billion. Specifically, in the Property and Casualty (P&C) insurance products, State Farm offers some insurance products to its customers including Auto & Home Insurance (Car Insurance, Home Insurance, Renters Insurance, Condo Insurance, Boat Insurance, Motorhome Insurance, Motorcycle Insurance). 

 

Official State Farm Group Media:

Official website: https://www.statefarm.com/

LinkedIn: https://www.linkedin.com/company/state_farm

Youtube: https://www.youtube.com/c/statefarm

 

2. Progressive Insurance

The Progressive Group of Insurance Companies started in the insurance business in 1937. Furthermore, the founders of progressive insurance companies were Joseph Lewis and Jack Green. Financially, in 2024, along with business development, Progressive has total assets around USD 106 billion, and total liabilities amounted to USD 80 billion. In addition, Progressive Insurance has served more than 37 million customers with employees of 61,400 people. In terms of business performance of 2024, Progressive Insurance successfully gained net income of USD 8.4 billion.

Furthermore, specifically, in the Property and Casualty (P&C) industry, the Progressive Insurance company gained direct premiums written at USD 75.8 billion and direct premiums earned around USD 72.1 billion.  In addition, in the property & Casualty (P&C) insurance industry, Progressive insurance offers some insurance products including passenger vehicles, motorcycles, recreational vehicles (RVs), trailers, boats, commercial vehicles, home, and others.

Official Progressive Group Media:

Official website: https://www.progressive.com/

Youtube: https://www.youtube.com/user/progressive  

 

3. Berkshire Hathaway

Berkshire Hathaway is a holding corporation that operates in a variety of industries, including insurance. Historically, Berkshire Hathaway was created in 1839 by Oliver Chace, but it was developed by Warren Buffett with the assistance of Charlie Munger. According to the 2024 Annual Report, Berkshire Hathaway had USD 1,153 billion in total assets and USD 371 billion in total revenue. As a holding company with many diversified businesses, Berkshire Hathaway owns various subsidiary insurance firms, including National Indemnity Company, Government Employees Insurance Company (GEICO), General Re, and others.

In the Property & Casualty (P&C) insurance industry, through GEICO (the subsidiary company of Berkshire Hathaway), GEICO sold many property & Casualty (P&C) insurance products to its customers. Structurally, GEICO insurance and its subsidiaries’ principal business is the sale of private passenger automobile insurance to individuals in all 50 states and the District of Columbia. Furthermore, through GEICO's subsidiary companies, GEICO also sells insurance for motorcycles, all-terrain vehicles, recreational vehicles, boats and small commercial automobile fleets.

Statistically, Berkshire Hathaway is still one of the biggest insurance companies in the Property and Casualty (P&C) industries. According to National Association of Insurance Commissioners (NAIC) in 2024, Berkshire Hathaway gained direct premiums written about USD 63.2 billion and direct premiums earned around USD 62.6 US Dollar in 2024.

 

Official Berkshire Hathaway Group/ GEICO Media:

Official website: https://www.geico.com/  

LinkedIn: https://www.linkedin.com/company/geico/   

Youtube: https://www.youtube.com/user/GEICO   

 

4. Allstate Insurance     

The Allstate Corporation is an American Insurance company and has become one of the biggest insurance companies in the Property and Casualty (P&C) Insurance industry in The United States of America (USA). Historically, Allstate was launched on April 17, 1931, as a holding company, its business is conducted principally through Allstate Insurance Company and other subsidiaries. As of 2024, along with business development, The Allstate Corporation has 55,000 employees, 27,700 exclusive agents and agent support staff, and 55,000 independent agents.

Financially, in 2024, the financial performance of Allstate reflected both strengths and challenges within the industry. Total assets of Allstate were recorded at USD 111 billion, while total liabilities reached USD 90 billion. In terms of business performance, Allstate Insurance successfully gained net income of around USD 4.6 billion. Furthermore, in the Property & Casualty (P&C) industry, according to the market share report of National Association of Insurance Commissioners (NAIC), the direct premiums written of Allstate insurance reached USD 55.8 billion and direct premiums earned reached USD 53.7 billion.

Official Allstate Insurance Group Media:

Official website: https://www.allstate.com/

LinkedIn: https://www.linkedin.com/company/allstate/   

Youtube: https://www.youtube.com/Allstate

 

5. Liberty Mutual Insurance

Liberty Mutual Insurance still became one of the biggest property and casualty (P&C) insurance companies/ firms in the USA. Operationally, Liberty Mutual Insurance still has its headquarters in Berkeley Street, Boston, Massachusetts. Because of its development in insurance, Liberty Mutual has presented in more than 29 Countries and employed more than 40,000 worldwide. Financially, in 2024 according to its annual report, The Liberty Mutual maintained a solid financial foundation, with total assets valued at USD 166 billion and total liabilities standing at USD 136 billion. According to the National Association of Insurance Commissioners (NAIC) in 2024, Liberty Mutual Insurance gained a direct premium written around USD 44.4 billion with direct premiums earned around USD 44.9 billion in the Property and Casualty (P&C) industry.

 Official Liberty Mutual Group Media:

Official website: https://www.libertymutual.com/  

LinkedIn: https://www.linkedin.com/company/liberty-mutual-insurance/   

Youtube: https://www.youtube.com/user/libertymutual   

 

6. Travelers Insurance     

The Travelers Insurance companies or The Travelers Companies was founded in 2004 with the merger between The St. Paul Companies, Inc., and Travelers. Along with business development, Travelers has more than 30,000 employees and 15,000 independent agents and brokers located in the United States, Canada, the United Kingdom, and Ireland.

Financially, according to its annual report in 2024, Travelers insurance has total assets around USD 133 billion with total liabilities around USD 105 billion. Meanwhile, in terms of business performance in 2024, the total net income of Travelers Insurance reached USD 4.9 billion. Based on the report of the National Association of Insurance Commissioners (NAIC) in 2024, in the property and casualty insurance (P&C) industry, Travelers successfully collected direct premiums written reaching USD 41.9 billion and direct premiums earned around USD 40.5 billion.

Official Travelers Group Media:

Official website: https://www.travelers.com/  

LinkedIn: https://www.linkedin.com/company/travelers/   

Youtube: https://www.youtube.com/user/TravelersInsurance   

 

7. The United Services Automobile Association (USAA)

United Services Automobile Association (USAA) is one of the biggest Property and Casualty (P&C) insurance companies in the United States of America (USA). Operationally, USAA is headquartered in San Antonio, Texas, United States. Until 2024, this company had 38,000 employees who could serve more than 14 million members.

Financially, according to the Income statement in 2024, the total net income of USSA reached USD 3.8 billion. Furthermore, based on the balance sheet of the 2024 annual report, the total assets of USAA were around USD 220 billion and total liabilities of USD 188 billion. Furthermore, in 2024, especially in the property and casualty (P&C) industry, USAA successfully gained a direct premium written around USD 36.1 billion with direct premiums earned around USD 34.8 billion.

 

Official United Services Automobile Association (USAA) Media:

Official website: https://www.usaa.com/  

Youtube: https://www.youtube.com/USAA    

 

8. Chubb            

Chubb is one of the world’s Property and Casualty (P&C) insurance companies in the U.S.A With operations in 54 countries. Operationally, Chubb has executive offices in Zurich, New York, London, Paris, and other locations, and employs approximately 40,000 people worldwide. In terms of the financial ratings, Chubb has financial ratings of AA from Standard & Poor’s and A++ from A.M. Best.

Financially in 2024, according to its annual report, Chubb Limited has total assets of around USD 246 billion with total liabilities of around USD 178 billion. Furthermore, related to business performance in 2024, Chubb Limited net income of around USD 9.6 billion. Specifically, in the report of the National Association of Insurance Commissioners (NAIC) of 2025, Chubb successfully gained a direct premium written around USD 33.3 billion and direct premiums earned around USD 32.4 billion in the Property and Casualty (P&C) industry.

Official Chubb Ltd Group Media:

Official website: https://www.chubb.com/  

LinkedIn: https://www.linkedin.com/company/chubb/   

Youtube: https://www.youtube.com/@ChubbInsurance

 

9. Farmers Insurance    

Farmers insurance is one of the biggest property and casualty (P&C) insurance companies in the United States. Historically, the journey of this company was started in 1928 with the initiative of John C. Tyler and Thomas E. Leavey. Along with business development, Farmers Insurance company can serve more than 10 million households with more than 19 million individual policies in 50 states of the USA. Furthermore, farmers insurance has 48,000 exclusive and independent agents and 21,000 employees. According to the report of National Association of Insurance Commissioners (NAIC) in 2024, specifically in the property and casualty (P&C) insurance industry, The farmer insurance  successfully collected direct premiums written around USD 28.2 billion and direct premium earned around USD 27.9 billion.

Official Farmers Insurance Group Media:

Official website: https://www.farmers.com/  

Youtube: https://www.youtube.com/@farmersinsurance

 

10. Zurich Insurance     

As one of the biggest property and casualty (P&C) insurance companies in the USA, Zurich Insurance Group Ltd still has a primary office in Zürich. Historically, this company was founded in 1872 with the name of Versicherungs-Verein (insurance associations). Along with business development from time to time, Zurich insurance company has existed in more than 200 countries and territories, employing about 63,000 people serving more than 75 million people worldwide.

Financially, based on the financial conditions on the Balance sheet in 2024, Zurich Insurance has total assets around USD 358 billion with total liabilities around USD 331 billion. Based on the business performance in 2024, Zurich Insurance gained net income around USD 6.2 billion. In the report of National Association of Insurance Commissioners (NAIC), especially in the property & casualty industry (P&C) of 2024, Zurich Insurance collected a direct premium written around USD 18.5 billion and direct premium earned around USD 18.2 billion in 2024.

Official Zurich Insurance Group Media:

Official website: https://www.zurich.com/  

LinkedIn: https://www.linkedin.com/company/zurich-insurance-company-ltd/   

Youtube: https://www.youtube.com/zurichglobal   

 

11. Nationwide Mutual Insurance Company

Nationwide Mutual Insurance Company is one of the biggest Property and Casualty (P&C) insurance companies in the United States of America (USA). This insurance company was founded in the 1920s as Farm Bureau Mutual and later in 1955, the name was changed into Nationwide insurance. To date, this company has headquartered in One Nationwide Plaza, Columbus, Ohio, U.S.A and Nationwide has around 25,000 employees. Furthermore, Nationwide has some financial ratings including A+ from AM Best, A1 from Moody’s, and A+ Standard & Poor’s. Based on the report of National Association of Insurance Commissioners (NAIC) in the property and casualty (p&c) insurance industry, Nationwide collected a direct premium written around USD 17.6 billion and direct premium earned of USD 18.4 billion.

Official Nationwide Contact Info:

 

Official Website: https://www.nationwide.com/

Youtube: https://www.youtube.com/nationwide   

LinkedIn: https://www.linkedin.com/company/2340/

  

12. American Family Insurance

American Family Insurance started its business on October 3rd, 1927. Operationally, this company has a primary office in Madison, Wisconsin, USA.  in the property and casualty (P&C) insurance industry, American Family insurance provides some insurance products including Vehicle Insurance (Car Insurance, Motorcycle Insurance, Boat Insurance, RV & Camper Insurance, ATV Insurance, Snowmobile Insurance), Property Insurance (Condo Insurance, Home Insurance, Manufactured Home Insurance, Renters Insurance), Farm and Ranch Insurance,  Commercial Insurance (Business Insurance and Landlord Insurance).

According to the National Association of Insurance Commissioners (NAIC), specifically in the property and casualty (p&c) insurance industry, American Family Insurance gained a direct premium written around USD 17.6 billion and direct premium earned around USD 16.7 billion. Financially, as of 2024, total assets of American Family Insurance reached USD 42.1 billion with and successfully gaining net income of around USD 2.4 billion.

Official American Family Insurance Group Media/Contact:

 

Official Website: https://www.amfam.com/

Youtube: https://www.youtube.com/user/amfam/custom

LinkedIn: https://www.linkedin.com/company/american-family-insurance/

 

13. The Hartford Insurance

Hartford Insurance started the business in 1810 as a fire insurance company. Nowadays, this company is also one of the biggest insurance companies in Property & casualty (P&C) insurance industries with total employees of Approximately 18,700 people. As of December 31, 2024, total assets and total stockholders’ equity of The Hartford were USD 80.9 billion and USD 16.4 billion, respectively. In terms of business performance obtained from income statements, Hartford Insurance gained a net income of USD 3.1 million.

Commonly, In the property and casualty (P&C) insurance industry, Hartford Insurance provides some insurance products including Home & Condo Insurance, Auto Insurance, business insurance (Workers’ Compensation Insurance, General Liability Insurance, and Professional Liability Insurance, Commercial Property Insurance, Commercial Auto Insurance, Data Breach Insurance). Overall, according to the National Association of Insurance Commissioners (NAIC) report about Property and Casualty (P&C) insurance, the direct premium written by Hartford insurance in the Property and Casualty (P&C) segment reached USD 17.4 billion with direct premium earned around USD 16.7 billion.

Official Hartford Insurance Contact Info:

 

Official Website: https://www.thehartford.com/about-us

Youtube: https://www.youtube.com/user/thehartford

LinkedIn: https://www.linkedin.com/company/the-hartford/ 

14. American International Group (AIG)

American International Group, Inc., also known as AIG, is an American multinational insurance corporation. Historically, it was founded by Cornelius Vander Starr on December 19, 1919. Along with business development, AIG had approximately 22,200 employees based in approximately 46 countries as of December 2024. 

In 2024, based on the financial condition on the balance sheet in the annual report of 2024, AIG has total assets of around USD 161 billion with total liabilities around USD 118 billion. Based on the business performance in 2024, the AIG suffered net loss USD - 0.92 billion. Furthermore, according to the report of National Association of Insurance Commissioners (NAIC) specifically in the property and casualty industry (P&C) industry, the American International Group (AIG) collected a direct premium written around USD 16.2 billion and direct premium earned around USD 16 billion.

Official American International Group Contact Info:

 

Official Website: https://www.aig.com/home

Youtube: https://www.youtube.com/user/AIG

LinkedIn: https://www.linkedin.com/company/aig/

 

 15. Auto Owners Insurance     

    

Auto-Owners Insurance Group was founded in 1916 by Vern V. Moulton with headquarters in Lansing, Michigan. Along with business development, Auto-owners insurance has 48,000 licensed agents in 26 states. As of 2024, the Auto Owners Insurance has  nearly 3 million policyholders. Based on financial ratings, Auto owners got The AM Best Company gives Auto-Owners an A++ (Superior) from The AM Best Company. Overall, according to the National Association of Insurance Commissioners (NAIC), the direct premium written by Auto Owners reached USD 15.8 billion and direct premium earned around USD 14.5 billion.

Official Auto Owners Group Contact Info:

 

Official Website: https://www.auto-owners.com/

Youtube: https://www.youtube.com/user/AutoOwnersInsurance

LinkedIn: https://www.linkedin.com/company/auto-owners-insurance/

 

16. CNA Insurance        

  

CNA Financial Corporation was founded in 1897 and still has a central office in Chicago, Illinois, U.S. With more than 125 years of experience, CNA has more than 6,000 employees and has 59 offices in 11 countries. Financially, in 2024, CNA financial has total assets of around USD 66.4 billion and total liabilities USD 55.9 billion. In terms of business performance, CAN Financial gained total net income of CNA reaching USD 0.95 billion. Furthermore, based on the report of National Association of Insurance Commissioners (NAIC) in 2024, CNA Insurance financially gained direct premiums written in property and casualty (P&C) around USD 14.3 billion and direct premiums earned around USD 13.9 billion.

Official CNA Insurance Group Contact Info:

Official Website: https://www.cna.com/

Youtube: https://www.linkedin.com/company/cna-insurance/

  

17. Tokio Marine Holdings Inc  

Tokio Marine Holdings, Inc. is an insurance company that has a primary office in Tokyo. Historically, this company was founded in 1879. Along with the business development of the company, Tokio Marine operated in 46 countries with total employees of 43,000 people worldwide. Financially, as of December 2024, Tokio Marine holding has total assets of JPY 31.2 trillion and total liabilities around JPY 26.1 trillion. In terms of business performance Tokio Marine gained net adjusted net income income reaching JPY 1,055 billion. Specifically, In the property and casualty (P&C) industry, according to the report of National Association of Insurance Commissioners (NAIC), Tokio Marine Holdings gained a direct premium written of USD 12.7 billion and direct premiums earned around USD 12.3 billion in the year of 2024.

Official Tokio Marine Holdings Inc Group Contact Info:

 

Official Website: https://www.tokiomarinehd.com/en/

LinkedIn: https://www.linkedin.com/company/tokio-marine-holdings/

 

18. Erie Insurance         

Erie Insurance Group is the insurance company which was founded in 1925 by H.O. Hirt (1887-1982) and O.G. Crawford (1884-1961). Nowadays, Operationally, this company has its headquarters in Erie, Pennsylvania which employs Over 6,800 people and 14,000 independent agents. As of 2024, total policies in force of Insurance reached 7.1 million.  Financially, according to its annual report in 204, Erie Insurance has total assets of around USD 2,889 million with total equity USD 1,987 million. In terms of business performance in 2024, Erie Insurance successfully gained net income of USD 600 million. Specifically, in the property and casualty (P&C) insurance industry, according to the Report of NAIC in 2025, the direct premiums written of Erie insurance reached USD 11.9 billion and direct premiums earned around USD 11 billion throughout 2024.

 Official Erie Insurance Group Contact Info:

 

Official Website: https://www.erieinsurance.com/

Youtube: https://www.youtube.com/@erieinsurance

LinkedIn: https://www.linkedin.com/company/erie-insurance-group/

19. Fairfax Financial Holdings    

Fairfax Financial Holdings is one of the largest insurance companies in the USA. Historically, this company was founded in 1951. Commonly, through its subsidiary companies, Fairfax Financial provides some property & casualty (P&C) insurance products. Some of the subsidiary companies of Fairfax Financial engaged in property and casualty (P&C) insurance business are Northbridge Financial (based in Toronto, Canada, provides property and casualty insurance products in the Canadian market through its Northbridge and Federated brands), Crum & Forster (based in Morristown, New Jersey, is a national commercial property and casualty insurance company in the United States), Zenith National (based in Woodland Hills, California, is primarily engaged in the workers compensation insurance business in the United States).

Financially, according to its annual report in 2024, Fairfax Financial Group has total assets of around USD 96.7 billion with total liabilities USD 68.4 billion. In terms of business performance in 2024, Fairfax financial gained net earnings reached USD 4.2 billion. In the Property and Casualty (P&C) industry according to the report of NAIC, Fairfax Financial Holdings gained a direct premium written around USD 11.5 billion and direct premium earned around USD 11.5 billion.

Official Fairfax Financial Group Contact Info:

 

Official Website: https://www.fairfax.ca/

LinkedIn: https://www.linkedin.com/company/fairfax-financial-holdings-limited/

 

20. W.R. Berkley Corporation

W. R. Berkley Corporation was founded in 1967 by William R. Berkley. Financially, according to its annual report in 2024, W. R. Berkley Corporation has total assets of around USD 40.5 billion with total liabilities USD 32.1 billion. In terms of business performance in 2024, W. R. Berkley Corporation gained net earnings reaching USD 1.7 billion. Specifically, one of the subsidiary companies of W. R. Berkley Corporation focusing on the property and casualty (p&c) insurance industry is Acadia insurance. Acadia Insurance is a Northeast regional property casualty underwriter offering a broad portfolio of products exclusively through local independent agents in Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island and Vermont. In addition to its general offerings, Acadia has specialized expertise in insuring regional industries such as construction, service contractors, lumber, and transportation. Based on the report published by NAIC, W.R. Berkley Corporation gained a direct premium written around USD 10.9 billion and direct premium earned around USD 10.5 billion.

Official Wr Berkley Corporation Group Contact Info:

 

Official Website: https://www.berkley.com/

LinkedIn: https://www.linkedin.com/company/wrberkleycorporation/

 

21. American Financial Group   

American Financial Group, Inc. is a holding company based in Cincinnati, Ohio and founded in 1959. In the Property and Casualty insurance (P&C) sector, American Financial Group operates 36 diversified businesses, providing a wide range of specialty commercial coverages within three main categories: Property and Transportation, Specialty Casualty, and Specialty Financial. Structurally, American Financial Group’s property and casualty insurance operations are conducted through the subsidiaries, namely Great American Insurance, National Interstate, Summit (Bridgefield Casualty and Bridgefield Employers), Republic Indemnity, Mid-Continent Casualty. Financially, according to its annual report in 2024, American Financial Group has total assets of around USD 30.8 billion with total liabilities USD 26.3 billion. In terms of business performance in 2024, American Financial Group Corporation gained net earnings reaching USD 0.88 billion. Specifically, In the property and casualty (P&C) industry, American Financial Group (AFG) successfully gained a direct premium written around USD 9.7 billion and direct premium earned around USD 9.5 billion.

 

22. Markel Group      

    

Markel Insurance has over 5,000 employees across the globe. Based on the financial ratings, Markel got A from S&P, A from A.M. Best and A2 from Moody’s. In property & casualty insurance industry, Markel Group through its subsidiary company provide some insurance property&casualty(P&C) products including General liability product, professional liability product, personal lines products (classic cars, motorcycles and a variety of personal watercraft and recreational vehicles), Marine and energy products, Property, and others. Financially, according to its annual report, Markel Group has total assets of around USD 61.8 billion with total liabilities USD 44.4 billion. In terms of business performance in 2024, Markel Group gained net income reaching USD 2.8 billion. Specifically in the property & casualty (P&C) insurance industry, according to the report of NAIC, the Markel Group gained a direct premium written around USD 9.6 billion and direct premium earned around USD 9.3 billion.

 

23. Cincinnati Financial Group

Founded in 1950, Cincinnati Financial Corporation has property and casualty insurance products in its business. Commonly, in the property and casualty (P&C) insurance industry, Cincinnati Insurance provides some insurance products including Business lines insurance (Commercial casualty, Commercial property, Commercial auto, Workers' compensation) and Personal lines insurance (Personal auto and Homeowner). Financially, according to its annual report of 2024, Cincinnati has total assets of around USD 36.5 billion and total liabilities of around USD 22.5 billion. In terms of business performance in 2024, Cincinnati Insurance successfully gained net income of around USD 2.2 billion. Specifically in the property & casualty (P&C) insurance industry, in 2024, the Cincinnati financial group successfully collected direct premiums written around USD 8.6 billion and direct premiums earned around USD 8 billion.

 

24. Auto Club Enterprises Insurance Group

Auto Club Enterprises (ACE) is an organization of American Automobile Association (AAA) that offers a wide range of insurance products, including auto, home, and life insurance, along with travel and other financial services to its members in the United States and Puerto Rico. Basically, American Automobile Association is a federation of motor clubs throughout North America founded on March 4, 1902, in Chicago, Illinois.  In the property & casualty (P&C) insurance industry, Auto Club Enterprises insurance (ACE) successfully collected direct premiums written of around USD 8.1 billion and direct premiums earned of around USD 7.5 billion.

 

25. AXA Insurance Group

AXA is a France-based insurance company that was founded in 1816 by Claude Bébéar. Along with business development, Axa has grown in over 50 countries with a total of 154,000 employees and serving around 94 million clients. Specifically, Axa has three major business lines, namely property-casualty insurance, life & savings, and asset management. In 2024, financially, based on its published annual report, AXA S.A. has total assets around EUR 654 billion or equivalent to USD 725 billion and total liabilities around EUR 592 billion or equivalent to USD 615 billion. In terms of the business performance in 2024, AXA S.A. gained net income around EUR 8 billion or equivalent to USD 8.8 billion. Specifically, in Property and Casualty (P&C) of 2024, the report of NAIC showed that AXA gained a direct premium written around USD 7.6 billion in US markets and direct premium earned around USD 7.5 billion. In addition, In the property & Casualty (P&C) industry, AXA  offers a broad range of insurance products including Motor, Household, Property, and general liability insurance across the nations.

 

26.  CSAA Insurance Group

Founded in 1914 and still headquartered in Walnut Creek, California, CSAA Insurance Group basically is an insurance company that works with AAA clubs to provide policies to AAA members. Commonly, CSAA Insurance provides automobiles, homeowners and other personal lines of insurance AAA Members through AAA clubs in 23 states and the District of Columbia. Operationally, CSAA has offices in Arizona, California, Colorado, Nevada, New Jersey and Oklahoma. Specifically, in property and casualty (P&C) insurance industry, CSAA successfully collected direct premiums written around USD 7.6 billion       and direct premiums earned USD 6.7 billion.

 

27. QBE Insurance Group

Established in the insurance industry in 1886, QBE has developed and expanded to become a global insurer and reinsurer, maintaining a local presence in 65 countries, with its headquarters located in Sydney and employing around 13,275 people.  Financially, in 2024, according to its annual report, QBE Insurance Group has total assets of around USD 43.4 billion and total Liabilities of around USD 33.1 billion. In terms of business performance in 2024, QBE Insurance Group successfully gained net income of around USD 1.3 billion. Commonly, QBE insurance has diverse Property & Casualty (P&C) insurance products including property, motor, crop, public and product liability, professional indemnity, workers’ compensation, energy, marine and aviation. Specifically, in the Property & Casualty (P&C) insurance industry in the USA Market,  QBE Insurance Group successfully gained direct premiums written around USD 7.3 billion and direct premiums earned around USD 7.2 billion.

 

28. Allianz Insurance Group       

Historically, Allianz was founded on 5 February 1890 by Carl von Thieme. As of 2024, Allianz employed over 156,000 people worldwide and Allianz Group still became one of the world's leading insurers and asset managers with 125 million private and corporate customers in almost 70 countries. Related to the Property-Casualty insurance business segment, Allianz provides insurance products including motor, accident, property, general liability, pet insurance, travel insurance, and assistance services. Financially, in 2024, according to its annual report, the Allianz Group has total assets around EUR 983 billion or equivalent to USD 1,022 billion and total liabilities around EUR 1,044 billion or equivalent to USD 1,158 billion. Based on the business performance in 2024, the Allianz Group successfully gained net income around EUR 10.5 billion or equivalent to USD 11.6 billion. Specifically, in the property & casualty (P&C) insurance industry in the USA, Allianz Group gained direct premiums written of around USD 7.3 billion with direct premiums earned of around USD 7.2 billion.    

29. Assurant Inc Group     

Assurant is a premier global protection company operating in 21 countries and serving 325 million consumers protected around the globe. As of 2024, total employees of Assurant reached more than 14K people. Assurant operated in North America, Latin America, Europe and Asia Pacific through two operating segments: Global Lifestyle and Global Housing. This company provides some insurance products including vehicle insurance, manufactured housing and flood insurance, as well as voluntary manufactured housing, condominium and homeowners insurance, renters insurance and other products.

Financially, according to its annual report in 2024, Assurant has total assets of around USD 35 billion with total liabilities of around USD 29.9 billion. In terms of business performance in 2024, Assurant successfully gained net income of around USD 760 million. Specifically, in the property & casualty (P&C) insurance industry in the USA market, Assurant successfully collected direct premiums written of around USD 7.1 billion and direct premiums earned of around USD 6.9 billion.           

 

30. Sompo Group      

Sompo Holdings, Inc. is a Japanese and global insurance company headquartered in Shinjuku-ku, Japan. Globally, Sompo Holdings has offices in 29 countries and regions, including North America, Europe, the Middle East, Asia, Latin America and Oceania. In the financial aspects, Sompo Holdings has total assets of around JPY 15 trillion with total liabilities of around JPY 12.1 trillion. In terms of business performance in 2024, Sompo Holdings successfully gained net income of around JPY 425 billion.

Through Sompo International, Sompo Holdings provides some insurance products especially in property & casualty (P&C) industry, namely Agriculture insurance, Aviation insurance, Casualty insurance, Cyber insurance, Energy insurance, Environmental insurance, Errors & Omissions/ Professional Indemnity insurance, Financial Institutions insurance, Management Liability insurance, Marine insurance, Property insurance, Specialty insurance.  In the USA market in the property & casualty (p&c) insurance industry, Sompo International successfully gained direct premiums written of around USD 7.1 billion and direct premiums earned of around 6.9 billion.          

 

The Summary of 15 Largest Property and Casualty (P&C) Insurance Companies in the USA Based on Direct Premiums Written in 2024

 

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The Summary of 15 Largest Property and Casualty (P&C) Insurance Companies in the USA Based on Direct Premiums Earned in 2024

 

 

 

Bibliography of 30 Largest Property and Casualty (P&C) Insurance Companies in USA

 

National Association of Insurance Commissioners (NAIC). 2025. Property and Casualty Insurance Industry (Total All Lines). Accessed via https://content.naic.org/sites/default/files/publication-msr-pb-property-casualty.pdf on August 27th, 2025.

State Farm Group. 2025. Annual Report 2024. Accessed via https://www.statefarm.com on August 27th, 2025.

Berkshire Hathaway. 2025. Annual Report 2024. Accessed via https://www.berkshirehathaway.com/reports.html  on August 27th, 2025.

Progressive. 2025. Annual Report 2024. Accessed via https://investors.progressive.com/home/default.aspx  on August 27th, 2025.

Allstate Insurance. 2025. Annual Report 2024. Accessed via https://www.allstatecorporation.com on August 27th, 2025.

Liberty Mutual. 2025. Annual Report 2024. Accessed via https://www.libertymutualgroup.com/about-lm/investor-relations/overview  on August 27th, 2025.

Travelers. 2025. Annual Report 2024. Accessed via https://investor.travelers.com/home/default.aspx on August 27th, 2025.

Chubb. 2025. Annual Report 2024. Accessed via https://www.chubb.com/id-en/ on August 27th, 2025.

United Serv Automobile. 2025. Annual Report 2024. Accessed via https://www.usaa.com/ on August 27th, 2025.

Farmers Insurance. 2025. Annual Report 2024. Accessed via https://www.farmers.com/ on August 27th, 2025.

Nationwide Corporation. 2025. Annual Report 2024. Accessed via https://www.nationwide.com on August 27th, 2025.

Zurich Insurance. 2025. Annual Report 2024. Accessed via https://www.zurich.com/en/investor-relations  on August 27th, 2025.

AIG. 2025. Annual Report 2024. Accessed via https://www.aig.com/home/investor-relations on August 27th, 2025.

Hartford Fire & Cas. 2025. Annual Report 2024. Accessed via https://www.thehartford.com/  on August 27th, 2025.

American Family Ins. 2025. Annual Report 2024. Accessed via https://www.amfam.com/ on August 27th, 2025.

CNA Insurance. 2025. Annual Report 2024. Accessed via https://www.cna.com/web/guest/cna/home on August 27th, 2025.

Tokio Marine Holdings Inc. 2025. Annual Report 2024. Accessed via www.tokiomarine.com/    on August 27th, 2025.

Auto Owners. 2025. Annual Report 2024. Accessed via https://www.auto-owners.com on August 27th, 2025.

Fairfax Financial. 2025. Annual Report 2024. Accessed via https://www.fairfax.ca/investors/  on August 27th, 2025.

Wr Berkley Corp. 2025. Annual Report 2024. Accessed via https://ir.berkley.com on August 27th, 2025.

Assurant Inc. 2025. Annual Report 2024. Accessed via https://www.assurant.com   on August 27th, 2025.

American Financial. 2025. Annual Report 2024. Accessed via https://www.afginc.com on August 27th, 2025.

Erie Insurance. 2025. Annual Report 2024. Accessed via https://www.erieinsurance.com/  on August 27th, 2025.

Markel Corporation. 2025. Annual Report 2024. Accessed via https://www.markel.com   on August 27th, 2025.

CSAA Insurance Group. 2025. Annual Report 2024. Accessed via https://www.csaa-insurance.aaa.com/ on August 27th, 2025.

QBE Insurance Group. 2025. Annual Report 2024. Accessed via https://www.qbe.com/   on August 27th, 2025.

Allianz Insurance Group. 2025. Annual Report 2024. Accessed via https://www.allianz.com/en.html   on August 27th, 2025.

Sompo Group. 2025. Annual Report 2024. Accessed via https://www.sompo-hd.com/en/   on August 27th, 2025.