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The 10 Largest Auto Insurance Companies

Hundreds of companies sell car insurance, but how many can you name 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.

Consumer satisfaction ratingsConsumer complaints for car insurance relative to company's sizeQuick look
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 medianState Farm offers a well-known brand name with a large selection of auto insurance options and other insurance products.

    2. Geico

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

  • Geico review
  • Slightly fewer than the medianGeico has lots of features for tech-savvy customers and often cheap car insurance quotes.

    3. Progressive

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

  • Progressive review
  • More than the medianThough Progressive has more complaints and lower satisfaction ratings than other big insurers, it offers convenient features that help you compare prices or deal with an auto accident.

    4. Allstate

    “About average” for claims satisfaction and shopping satisfaction.

  • Allstate review
  • Fewer than the medianAllstate offers a wide variety of insurance products, as well as lots of auto insurance options and discounts.

    5. USAA

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

  • USAA review
  • About the medianUSAA sells only to active and retired members of the miltary and their families. It's a particularly good value, offering both low prices and strong customer service.

    6. Liberty Mutual

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

  • Liberty Mutual Review
  • About the medianMany of Liberty Mutual's auto insurance features are unique, including special offerings for teachers.

    7. Farmers

    “About average” for claims satisfaction and shopping satisfaction.

  • Farmers review
  • Slightly fewer than the medianFarmers has many options to customize auto policies, and offers a wide variety of other types of insurance.

    8. Nationwide

    “About average” for claims satisfaction and shopping satisfaction.

  • Nationwide review
  • Fewer than the medianNationwide is an insurer with an ample line of products and good customer service.

    9. Travelers

    “About average” for claims satisfaction and shopping satisfaction.

  • Travelers review
  • Fewer than the medianTravelers has many options to customize your auto policy, as well as just about any other type of policy you'd want.

    10. American Family

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

  • American Family review
  • Fewer than the medianAmerican Family has a good customer-satisfaction track record and a large selection of insurance products.

    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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