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 2019. You can sort the table by any of the headings and search it to analyse individual insurance companies.

Ranking	P/C insurance company name	2019 Net premiums written (US $ 000)	% change from previous year
1	State Farm Group	65,100,455	-0.6
2	Berkshire Hathaway Ins	53,754,763	7.9
3	Progressive Ins Group	37,578,689	15.2
4	Allstate Ins Group	34,036,467	5.4
5	Liberty Mutual Ins Cos	32,268,379	1.4
6	Travelers Group	27,214,083	5.5
7	USAA Group	22,981,339	6.9
8	Chubb INA Group	18,249,079	-6.7
9	Nationwide Group	17,992,806	-0.8
10	American Intl Group (AIG)	14,826,888	1.5
11	Farmers Ins Group	14,493,557	3.3
12	Hartford Ins Group	11,871,251	3.2
13	Amer Family/Main Street America Grp	11,841,650	4.3
14	Auto-Owners Ins Group	8,585,830	7.4
15	Fairfax Financial (USA) Group	7,632,626	9.8
16	Erie Ins Group	7,478,390	5.5
17	Tokio Marine US PC Group	7,083,699	5.2
18	CNA Ins Cos	6,953,530	5.9
19	Munich-American Hldg Corp Cos	6,639,450	-2.5
20	W. R. Berkley Ins Group	6,131,338	7.1
21	Everest Re US Group	5,797,634	14.8
22	Cincinnati Ins Cos	5,379,896	6.9
23	Alleghany Ins Holdings Group	5,344,634	14.5
24	Great Amer P & C Ins Grp	4,689,656	7.9
25	The Hanover Ins Grp Prop & Cas Cos	4,580,867	4.2
26	Auto Club Enterprises Ins Group	4,546,591	5.3
27	Allianz of America Companies	4,091,021	53.6
28	Kemper PC Companies	4,042,228	8.5
29	CSAA Ins Group	4,031,220	1.5
30	FM Global Group	4,007,616	10.4
31	Markel Corp Group	3,809,277	21.6
32	MetLife Auto & Home Group	3,797,476	2
33	Mercury Gen Group	3,690,508	6.7
34	Zurich Finl Svcs NA Group	3,657,532	-6.7
35	Assurant P&C Group	3,000,087	-6.7
36	QBE Americas Group	2,937,088	4.8
37	Arch Ins Group	2,908,209	-0.2
38	Selective Ins Group	2,679,424	6.6
39	Old Republic Ins Group	2,670,167	-1.0
40	COUNTRY Financial PC Group	2,564,827	6.9
41	Natl Gen Companies	2,494,927	11.3
42	Auto Club Group	2,473,773	3
43	AXA U.S. Group	2,441,804	-30.3
44	Sentry Ins Group	2,440,418	6.7
45	Amica Mutual Group	2,294,966	-3.3
46	Sompo Hldgs US Group	2,264,197	-1.9
47	PartnerRe US Group	2,142,127	35.6
48	AmTrust Group	2,083,893	-16.5
49	State Auto Ins Cos	2,027,918	8.9
50	Swiss Reinsurance Group	2,023,929	-72.2
51	NJM Ins Group	2,006,683	1.6
52	State Ins Fund WC Fund	1,996,372	-11.5
53	AXIS US Operations	1,932,319	-14.8
54	EMC Ins Cos	1,910,680	1.5
55	Shelter Ins Cos	1,907,802	4.1
56	MAPFRE North America Group	1,863,845	-16.2
57	Scor US Group	1,848,964	28.9
58	Starr Intl Group	1,806,920	36
59	Westfield Group	1,803,649	-1.7
60	Federated Mutual Group	1,649,373	11.5
61	AF Group	1,617,767	8.2
62	Acuity, A Mutual Ins Co	1,582,349	7.8
63	Southern Farm Bureau Cas Group	1,509,107	1.3
64	Amer Natl Prop & Cas Companies	1,430,047	4.7
65	Farm Bureau P&C Group	1,413,657	2.3
66	TN Farmers Ins Cos	1,369,857	3.2
67	Alfa Ins Group	1,326,984	-2.4
68	West Bend Mutual Ins Co	1,275,968	9.1
69	Grange Ins Pool	1,274,202	5.9
70	Texas Farm Bureau Group	1,254,578	3.9
71	IAT Ins Group	1,238,639	16
72	Intact US Ins Group	1,202,199	6.7
73	State Compensation Ins Fund	1,191,289	-10.1
74	ICW Pool	1,142,082	14.9
75	Utica Natl Ins Group	1,131,097	8.8
76	TX Mutual Ins Co	1,107,238	-3.5
77	United Fire & Cas Group	1,096,730	3.3
78	Envoca Mutual Ins Group	1,092,778	1.3
79	Argo Group	1,090,173	20.7
80	KY Farm Bureau Group	1,059,496	0.2
81	Radian Group	1,057,681	6.7
82	Mortgage Guar Group	1,001,148	0.6
83	Aspen US Ins Group	937,992	99.5
84	CUMIS Ins Society Group	930,654	0.3
85	NC Farm Bureau Ins Group	927,856	5
86	Doctors Co Ins Group	917,599	0.9
87	Donegal Ins Group	916,803	1.6
88	Universal Ins Hldgs Group	896,645	5.1
89	RLI Group	860,337	4.5
90	ProSight Specialty Group	850,789	0.6
91	Church Mutual Ins Group	845,741	9.5
92	Palisades Group	840,768	6.6
93	Genworth PC Group	818.540	7.1
94	FCCI Ins Group	810,502	0.5
95	MI Farm Bureau Group	803,206	6.6
96	Arbella Ins Group	801,023	2.2
97	Amerisure Cos	795,474	-2.9
98	Safety Group	794,408	1
99	Penn NatI Ins Cos	749,617	2.1
100	Western NatI Ins Group	733,092	9.6

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