United States

Top 42 largest US Companies in the Insurance—Property & Casualty industry by Market Cap

This is the list of the largest public listed companies in the Insurance—Property & Casualty industry from the United States by market capitalization with links to their reference stock.

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Top Insurance—Property & Casualty Companies from the United States as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 The Progressive Corporation $151.13 B United States US Financials US Insurance—Property & Casualty
2 The Travelers Companies, Inc. $59.84 B United States US Financials US Insurance—Property & Casualty
3 The Allstate Corporation $52.43 B United States US Financials US Insurance—Property & Casualty
4 W. R. Berkley Corporation $26.84 B United States US Financials US Insurance—Property & Casualty
5 Markel Corporation $24.88 B United States US Financials US Insurance—Property & Casualty
6 Cincinnati Financial Corporation $22.84 B United States US Financials US Insurance—Property & Casualty
7 Loews Corporation $19.15 B United States US Financials US Insurance—Property & Casualty
8 CNA Financial Corporation $12.30 B United States US Financials US Insurance—Property & Casualty
9 Alleghany Corporation $11.41 B

(Oct. 1, 2022)

 United States US Financials US Insurance—Property & Casualty
10 Kinsale Capital Group, Inc. $11.03 B United States US Financials US Insurance—Property & Casualty
11 American Financial Group, Inc. $10.64 B United States US Financials US Insurance—Property & Casualty
12 RLI Corp. $6.58 B United States US Financials US Insurance—Property & Casualty
13 The Hanover Insurance Group, Inc. $5.89 B United States US Financials US Insurance—Property & Casualty
14 Selective Insurance Group, Inc. $5.17 B United States US Financials US Insurance—Property & Casualty
15 Kemper Corporation $4.07 B United States US Financials US Insurance—Property & Casualty
16 Palomar Holdings, Inc. $3.95 B United States US Financials US Insurance—Property & Casualty
17 Mercury General Corporation $3.73 B United States US Financials US Insurance—Property & Casualty
18 NMI Holdings, Inc. $3.37 B United States US Financials US Insurance—Property & Casualty
19 Lemonade, Inc. $3.11 B United States US Financials US Insurance—Property & Casualty
20 AmTrust Financial Services, Inc. $2.59 B United States US Financials US Insurance—Property & Casualty
21 State Auto Financial Corporation $2.32 B

(Feb. 1, 2022)

 United States US Financials US Insurance—Property & Casualty
22 Root, Inc. $1.92 B United States US Financials US Insurance—Property & Casualty
23 Stewart Information Services Corporation $1.87 B United States US Financials US Insurance—Property & Casualty
24 Horace Mann Educators Corporation $1.74 B United States US Financials US Insurance—Property & Casualty
25 HCI Group, Inc. $1.69 B United States US Financials US Insurance—Property & Casualty
26 ProAssurance Corporation $1.21 B United States US Financials US Insurance—Property & Casualty
27 Safety Insurance Group, Inc. $1.15 B United States US Financials US Insurance—Property & Casualty
28 Universal Insurance Holdings, Inc. $730.4 M United States US Financials US Insurance—Property & Casualty
29 United Fire Group, Inc. $716.7 M United States US Financials US Insurance—Property & Casualty
30 Heritage Insurance Holdings, Inc. $714.4 M United States US Financials US Insurance—Property & Casualty

Top Insurance—Property & Casualty Companies from the United States as of Jul. 01, 2025

1. The Progressive Corporation

Company Profile: The Progressive Corporation
Market Cap (USD): $151.13 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

2. The Travelers Companies, Inc.

Company Profile: The Travelers Companies, Inc.
Market Cap (USD): $59.84 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

3. The Allstate Corporation

Company Profile: The Allstate Corporation
Market Cap (USD): $52.43 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

4. W. R. Berkley Corporation

Company Profile: W. R. Berkley Corporation
Market Cap (USD): $26.84 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

5. Markel Corporation

Company Profile: Markel Corporation
Market Cap (USD): $24.88 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

6. Cincinnati Financial Corporation

Company Profile: Cincinnati Financial Corporation
Market Cap (USD): $22.84 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

7. Loews Corporation

Company Profile: Loews Corporation
Market Cap (USD): $19.15 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

8. CNA Financial Corporation

Company Profile: CNA Financial Corporation
Market Cap (USD): $12.30 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

9. Alleghany Corporation

Company Profile: Alleghany Corporation
Market Cap (USD): $11.41 B (Oct. 1, 2022)
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

10. Kinsale Capital Group, Inc.

Company Profile: Kinsale Capital Group, Inc.
Market Cap (USD): $11.03 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

11. American Financial Group, Inc.

Company Profile: American Financial Group, Inc.
Market Cap (USD): $10.64 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

12. RLI Corp.

Company Profile: RLI Corp.
Market Cap (USD): $6.58 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

13. The Hanover Insurance Group, Inc.

Company Profile: The Hanover Insurance Group, Inc.
Market Cap (USD): $5.89 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

14. Selective Insurance Group, Inc.

Company Profile: Selective Insurance Group, Inc.
Market Cap (USD): $5.17 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

15. Kemper Corporation

Company Profile: Kemper Corporation
Market Cap (USD): $4.07 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

16. Palomar Holdings, Inc.

Company Profile: Palomar Holdings, Inc.
Market Cap (USD): $3.95 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

17. Mercury General Corporation

Company Profile: Mercury General Corporation
Market Cap (USD): $3.73 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

18. NMI Holdings, Inc.

Company Profile: NMI Holdings, Inc.
Market Cap (USD): $3.37 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

19. Lemonade, Inc.

Company Profile: Lemonade, Inc.
Market Cap (USD): $3.11 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

20. AmTrust Financial Services, Inc.

Company Profile: AmTrust Financial Services, Inc.
Market Cap (USD): $2.59 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

21. State Auto Financial Corporation

Company Profile: State Auto Financial Corporation
Market Cap (USD): $2.32 B (Feb. 1, 2022)
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

22. Root, Inc.

Company Profile: Root, Inc.
Market Cap (USD): $1.92 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

23. Stewart Information Services Corporation

Company Profile: Stewart Information Services Corporation
Market Cap (USD): $1.87 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

24. Horace Mann Educators Corporation

Company Profile: Horace Mann Educators Corporation
Market Cap (USD): $1.74 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

25. HCI Group, Inc.

Company Profile: HCI Group, Inc.
Market Cap (USD): $1.69 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

26. ProAssurance Corporation

Company Profile: ProAssurance Corporation
Market Cap (USD): $1.21 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

27. Safety Insurance Group, Inc.

Company Profile: Safety Insurance Group, Inc.
Market Cap (USD): $1.15 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

28. Universal Insurance Holdings, Inc.

Company Profile: Universal Insurance Holdings, Inc.
Market Cap (USD): $730.4 M
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

29. United Fire Group, Inc.

Company Profile: United Fire Group, Inc.
Market Cap (USD): $716.7 M
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

30. Heritage Insurance Holdings, Inc.

Company Profile: Heritage Insurance Holdings, Inc.
Market Cap (USD): $714.4 M
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

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