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The 10 Largest Auto Insurance Companies

April 4, 2018

Hundreds of companies sell car insurance, but can you name the country’s largest auto insurers off the top of your head? If Allstate, Geico, Progressive and State Farm come to mind first, that makes sense: Together, these four companies make up 50% of the personal auto insurance market in the U.S.

» FIND YOUR MATCH: Who’s the cheapest carrier for you?

You’ve probably heard of the other companies rounding out the top 10, too.

Top 10 largest auto insurers by market share

CompanyMarket share in 2017Direct premiums written in 2017
Source: National Association of Insurance Commissioners
1. State Farm18.13%$41.8 billion
2. Geico12.83%$29.6 billion
3. Progressive9.88%$22.8 billion
4. Allstate9.29%$21.4 billion
5. USAA5.7%$13.2 billion
6. Liberty Mutual5.02%$11.6 billion
7. Farmers4.49%$10.4 billion
8. Nationwide3.18%$7.3 billion
9. Travelers1.91%$4.4 billion
10. American Family1.9%$4.4 billion

Larger insurance companies can have advantages, such as greater financial strength and stability, a wider network of agents and claims adjusters, 24-hour customer service, and better apps and websites.

But there’s more to an insurer than size. Here’s more about each of the largest auto insurance companies, including the latest available consumer satisfaction ratings from J.D. Power.

CompanyConsumer satisfaction ratingsConsumer complaints for car insurance relative to company's size
Sources: J.D. Power for 2017 consumer ratings, and National Association of Insurance Commissioners for 2017 complaints

1. State Farm

“About average” for claims satisfaction and shopping satisfaction.

  • State Farm review
  • Fewer than the median

    2. Geico

    “Better than most” for claims satisfaction and "about average” for shopping satisfaction.

  • Geico review
  • Slightly fewer than the median

    3. Progressive

    “About average” for claims satisfaction, among “the rest” for shopping satisfaction.

  • Progressive review
  • More than the median

    4. Allstate

    “About average” for claims satisfaction and shopping satisfaction.

  • Allstate review
  • Fewer than the median

    5. USAA

    “Among the best” for claims satisfaction and shopping satisfaction.

  • USAA review
  • About the median

    6. Liberty Mutual

    “Among the rest” for claims satisfaction, “better than most” for shopping satisfaction.

  • Liberty Mutual Review
  • About the median

    7. Farmers

    “About average” for claims satisfaction and shopping satisfaction.

  • Farmers review
  • Slightly fewer than the median

    8. Nationwide

    “About average” for claims satisfaction and shopping satisfaction.

  • Nationwide review
  • Fewer than the median

    9. Travelers

    “About average” for claims satisfaction and shopping satisfaction.

  • Travelers review
  • Fewer than the median

    10. American Family

    “About average” for claims satisfaction and “better than most” for shopping satisfaction.

  • American Family review
  • Fewer than the median

    Finding the best insurance company for you

    Don’t choose an insurance company just because your parents used it or its TV ads seem smart. Take a look at the big picture of customer satisfaction, claims service and price. NerdWallet’s car insurance comparison tool can help you compare rates.

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