Top 10 property and casualty insurers
Here are the top 10 property and casualty insurance companies in the U.S. ranked by market share in 2011. Property and casualty broadly refers to auto, homeowner’s and business insurance.
1. State Farm
Premiums written: $52,594,199,000
Market share: 10.5 percent
2. Liberty Mutual
Premiums written: $26,658,768,000
Market share: 5.3 percent
3. Allstate
Premiums written: $26,436,755,000
Market share: 5.3 percent
4. AIG
Premiums written: $25,324,100,000
Market share: 5.1 percent
5. Travelers
Premiums written: $22,206,994,000
Market share: 4.4 percent
6. Berkshire Hathaway (GEICO)
Premiums written: $17,956,558,000
Market share: 3.6 percent
7. Farmers
Premiums written: $17,621,146,000
Market share: 3.5 percent
8. Progressive
Premiums written: $15,334,929,000
Market share: 3.1 percent
9. Nationwide
Premiums written: $14,986,187,000
Market share: 3 percent
10. USAA
Premiums written: $12,125,537,000
Market share: 2.4 percent
Sources: SNL Financial LC, Insurance Information Institute
