The largest P&C insurers in the United States

This Top 100 U.S. Property & Casualty Insurance Companies directory is based on research data from rating agency A.M. Best.

Listing the top property and casualty insurance companies in the United States, this directory provides a simple way to analyse the top P&C insurance companies in the U.S.

The property and casualty insurance groups featured are ranked by net premiums written in 2025. You can sort the table by any of the headings and search it to analyse individual insurance companies.

Ranking	P/C insurance company name	2025 Net premiums written (US $ 000)	% change from previous year
1	State Farm Group	113,791,611	5.6
2	Progressive Ins Group	83,147,835	11.7
3	Berkshire Hathaway Ins	80,972,045	0.8
4	Allstate Ins Group	56,741,220	7.6
5	Travelers Group	42,115,576	2.5
6	USAA Group	37,534,172	6.6
7	Liberty Mutual Ins Cos	37,229,238	-3.3
8	Chubb INA Group	27,517,917	6.3
9	Farmers Ins Group	21,548,423	10.4
10	Hartford Ins Group	17,703,387	7.3
11	American Family Insurance Group	17,340,276	-2.5
12	Auto-Owners Ins Group	16,596,159	7.6
13	Nationwide Group	16,503,384	-4.2
14	Fairfax Financial (USA) Group	14,348,745	7.7
15	American Intl Group (AIG)	13,193,906	-0.6
16	Erie Ins Group	13,078,147	8.5
17	Tokio Marine US PC Group	11,474,627	5.6
18	W. R. Berkley Ins Group	11,414,504	5.7
19	CNA Ins Cos	10,133,350	4.4
20	Cincinnati Ins Cos	9,754,192	9.0
21	Munich-American Hldg Corp Cos	9,535,582	4.7
22	Everest Re US Group	9,138,046	-2.6
23	Auto Club Enterprises Ins Group	8,501,099	7.1
24	CSAA Ins Group	8,009,560	7.3
25	Arch Ins Group	6,782,283	1.7
26	Great Amer P&C Ins Grp	6,770,059	0.3
27	Markel Ins Group	6,644,992	6.4
28	FM Global Group	6,538,350	0.8
29	Hanover Ins Grp Prop & Cas Cos	6,316,118	3.9
30	Zurich Ins US PC Group	6,154,147	5.8
31	Mercury Casualty Group	5,684,865	6.4
32	Sompo Hldgs US Group	5,485,155	4.3
33	XL America Companies	5,309,427	14.0
34	Sentry Ins Group	5,187,356	14.8
35	Selective Ins Group	4,866,494	5.1
36	Assurant P&C Group	4,275,747	7.5
37	Old Republic Ins Group	4,123,269	8.2
38	Kemper PC Companies	4,015,892	4.6
39	QBE North America Ins Group	3,990,991	26.7
40	Auto Club Group	3,877,787	4.4
41	COUNTRY Financial PC Group	3,635,769	3.4
42	AmTrust Group	3,373,724	3.9
43	Shelter Ins Cos	3,243,347	6.4
44	Starr Intl Group	3,243,271	1.9
45	Acuity, A Mutual Ins Co	3,230,192	8.9
46	Westfield Group	3,226,994	3.0
47	NJM Ins Group	3,128,991	13.2
48	ICW Group	3,079,948	2.9
49	Amica Mutual Group	3,069,601	4.7
50	Federated Mutual Group	3,058,735	9.6
51	Core Specialty	2,978,894	-3.9
52	AF Group	2,888,086	4.6
53	Allianz US P&C Ins Companies	2,635,692	-7.8
54	Farm Bureau P&C Group	2,522,127	7.4
55	Southern Farm Bureau Casualty Group	2,512,768	-3.3
56	Alfa Ins Group	2,280,302	1.7
57	West Bend Ins Group	2,243,696	6.5
58	TN Farmers Ins Cos	2,209,601	6.5
59	EMC Ins Cos	2,055,971	0.0
60	Texas Farm Bureau Ins Group	2,019,447	-2.6
61	MAPFRE North America Group	1,994,279	1.8
62	PartnerRe US Group	1,929,298	1.3
63	BAMR US PC Group	1,894,820	-27.7
64	Utica Natl Ins Group	1,856,913	8.0
65	Intact US Ins Group	1,774,536	7.2
66	NC Farm Bureau Ins Group	1,723,910	9.8
67	KY Farm Bureau Group	1,710,761	10.5
68	Scor US Group	1,648,280	1.0
69	RLI Group	1,622,129	1.0
70	Kinsale Ins Cos	1,613,698	9.4
71	CUMIS Ins Society Group	1,605,668	16.6
72	State Ins Fund WC Fund	1,604,770	-5.1
73	Grange Ins Pool	1,500,367	2.4
74	IAT Ins Group	1,466,247	-1.8
75	RenaissanceRe US Group	1,448,806	-5.4
76	Encova Mutual Ins Group	1,414,230	-0.8
77	Skyward Specialty Ins Group	1,406,517	25.2
78	Universal Ins Hldgs Group	1,392,713	1.9
79	Doctors Co Ins Group	1,379,865	4.2
80	AXIS US Operations	1,367,341	448.6
81	SiriusPoint America Ins Group	1,339,126	86.2
82	United Fire & Cas Group	1,277,152	9.4
83	Western Natl Ins Group	1,261,154	8.6
84	Frankenmuth Ins Group	1,250,222	12.0
85	Michigan Farm Bureau Group	1,240,957	12.0
86	Trupanion Ins Group	1,221,215	11.7
87	Aspen US Ins Group	1,206,397	3.2
88	FCCI Ins Group	1,195,663	3.2
89	Arbella Ins Group	1,184,884	6.2
90	Safety Group	1,175,637	7.5
91	MS&AD US Ins Group	1,160,624	32.9
92	NYCM Ins Group	1,160,480	13.2
93	AU Hldg Co Group	1,154,819	9.1
94	Plymouth Rock Cos	1,127,582	7.5
95	Coaction Specialty Ins Group	1,119,360	4.1
96	Andover Companies Poo	1,119,349	12.7
97	Fortegra P&C Group	1,112,312	11.8
98	Greater NY Group	1,086,925	7.7
99	Donegal Ins Group	1,069,941	-3.8
100	Palisades Group	1,060,684	3.1

Source: © A.M. Best Company, Inc. — used by permission.