Top 100 U.S. Property & Casualty Insurance Companies

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 2018. You can sort the table by any of the headings and search it to analyse individual insurance companies.

Ranking	P/C insurance company name	2018 Net premiums written (US $ 000)	% change from previous year
1	State Farm Group	65,468,992	1.3
2	Berkshire Hathaway Ins	50,249,255	8.3
3	Progressive Ins Group	32,611,691	20.2
4	Allstate Ins Group	32,289,792	5.7
5	Liberty Mutual Ins Cos	31,830,969	11.2
6	Travelers Group	25,790,403	5.4
7	USAA Group	21,491,132	9.6
8	Chubb INA Group	19,565,309	77.8
9	Nationwide Group	18,133,400	-3.9
10	American Intl Group (AIG)	14,608,733	1.3
11	Farmers Ins Group	14,031,427	-1.6
12	Hartford Ins Group	11,503,644	0.3
13	Amer Family/Main Street America Grp	10,290,013	7.5
14	Auto-Owners Ins Group	7,991,177	10.6
15	Swiss Reinsurance Group	7,281,820	225.3
16	Erie Ins Group	7,091,499	7
17	Fairfax Financial (USA) Group	6,951,053	27.1
18	Munich-American Hldg Corp Cos	6,807,450	24.3
19	CNA Ins Cos	6,568,262	2.8
20	Tokio Marine US PC Group	6,435,578	5.4
21	W. R. Berkley Ins Group	5,722,538	2.3
22	Everest Re US Group	5,052,259	190.2
23	Cincinnati Ins Cos	5,033,904	3.9
24	Alleghany Ins Holdings Group	4,669,302	4.2
25	The Hanover Ins Grp Prop & Cas Cos	4,395,814	6.9
26	Great Amer P & C Ins Grp	4,346,751	2.8
27	Auto Club Enterprises Ins Group	4,316,167	13.1
28	CSAA Ins Group	3,969,996	5.5
29	Zurich Finl Svcs NA Group	3,921,553	-15.3
30	Kemper PC Companies	3,725,813	14.6
31	MetLife Auto & Home Group	3,723,280	2.9
32	FM Global Group	3,628,584	6
33	AXA U.S. Group	3,504,868	51.1
34	Mercury Gen Group	3,459,956	8.8
35	Assurant P&C Group	3,215,670	31.6
36	Markel Corp Group	3,132,390	8.5
37	Arch Ins Group	2,915,369	877.4
38	QBE Americas Group	2,894,042	16.7
39	Old Republic Ins Group	2,697,240	1.8
40	Allianz of America Companies	2,663,530	45.1
41	Selective Ins Group	2,514,286	6.1
42	AmTrust Group	2,497,007	-0.5
43	Auto Club Group	2,402,122	1.9
44	COUNTRY Financial PC Group	2,399,601	3.7
45	Amica Mutual Group	2,374,259	4.4
46	Sompo Hldgs US Group	2,306,946	77.8
47	Sentry Ins Group	2,287,982	8.5
48	AXIS US Operations	2,268,247	127.4
49	State Ins Fund WC Fund	2,256,138	-1
50	MAPFRE North America Group	2,224,429	7.1
51	Natl Gen Companies	2,170,519	65.9
52	NJM Ins Group	1,975,809	4.3
53	EMC Ins Cos	1,881,985	6
54	State Auto Ins Cos	1,862,026	-4.7
55	Westfield Group	1,833,948	-1.3
56	Shelter Ins Cos	1,832,474	6
57	PartnerRe US Group	1,579,718	63.2
58	AF Group	1,495,815	12.1
59	Federated Mutual Group	1,479,663	-14.7
60	Acuity, A Mutual Ins Co	1,467,713	6.8
61	Southern Farm Bureau Cas Group	1,464,397	5.1
62	Scor US Group	1,434,161	15.2
63	Farm Bureau P&C Group	1,385,839	2.9
64	TN Farmers Ins Cos	1,369,857	7
65	Amer Natl Prop & Cas Companies	1,365,404	8.8
66	Alfa Ins Group	1,359,278	2.2
67	Starr Intl Group	1,328,967	18.5
68	State Compensation Ins Fund	1,324,765	-1.5
69	Texas Farm Bureau Group	1,207,874	7.6
70	Grange Ins Pool	1,202,658	2.1
71	West Bend Mutual Ins Co	1,169,043	7.1
72	TX Mutual Ins Co	1,146,827	10.8
73	Motorists Ins Pool	1,078,722	-1.9
74	IAT Ins Group	1,067,416	29.7
75	OneBeacon Ins Group	1,062,657	91.2
76	United Fire & Cas Group	1,061,664	4.2
77	Ameriprise P&C Companies	1,058,063	10.5
78	KY Farm Bureau Group	1,057,415	5.8
79	Utica Natl Ins Group	1,039,266	7
80	Mortgage Guar Group	995,530	-0.2
81	ICW Pool	993,916	2.8
82	Radian Group	991,021	21.1
83	CUMIS Ins Society Group	927,575	1.7
84	Argo Group	903,348	38.9
85	Donegal Ins Group	902,363	2.1
86	NC Farm Bureau Ins Group	883,439	6
87	Enstar Ins Group	853,723	61.8
88	ProSight Specialty Group	845,421	39.9
89	Universal Ins Hldgs Group	827,674	12.3
90	RLI Group	823,175	9.8
91	Amerisure Cos	819,398	0.5
92	FCCI Ins Group	806,829	0.9
93	Safety Group	786,911	0.8
94	Arbella Ins Group	784,042	0.9
95	Church Mutual Ins Group	772,117	5.7
96	Palisades Group	768,668	5.5
97	Genworth PC Group	763,955	0.8
98	MI Farm Bureau Group	753,226	7.1
99	Employers Ins Group	742,842	2.6
100	RenaissanceRe US Group	740,924	-18.4

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