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TOP 10 Largest U.S. Auto Insurance Companies in 2024

TOP 10 Largest U.S. Auto Insurance Companies

TOP 10 largest insurance companies in the U.S. offer different insurance rates, customer claims experiences and features. While the biggest companies in the United States underwrite a large number of policies, they vary on price, service quality and many other characteristics.

US commercial auto insurance premiums increased year over year, according to Beinsure Data. The sector will see a combined ratio of 97-98% for 2024 vs. 96% in 2023.

The sector logged 2.3%, 5.6% and 3% year-over-year growth in commercial auto liability, commercial auto physical damage and total commercial auto premiums, respectively.

The biggest insurance companies in the U.S. often have more coverage options. If you want to customize your policy with endorsements or need specialty coverage like rideshare insurance, a large provider is more likely to have those policies.

State Farm is the #1 auto insurance company in the United States in terms of market share and premiums written in 2024, followed by Geico, Progressive and Allstate. When looking at the rankings of the top auto insurance companies in U.S., most of the names are recognizable.

TOP 10 U.S. Car Insurance Companies

CompanyPremiums written in billions
1State Farm$40.4
2Geico$33.9
3Progressive$33.2
4Allstate$25.9
5USAA$15.8
6Farmers$12.2
7Liberty Mutual$11.8
8Nationwide$5.8
9American Family$5.2
10Travelers$4.9
Source: S&P Global

To help you choose the best insurance company for you, compare the list of the 10 largest auto insurance companies in the U.S. and what makes each of them unique.

Largest U.S. Auto Insureres by premiums written

TOP 10 US car insurers
Source: S&P Global

The table below highlights market share of S&P’s largest auto insurance companies in the U.S., along with information from J.D. Power’s U.S. Auto Claims Satisfaction Study, AM Best credit ratings and National Association of Insurance Commissioners’ complaint data.

Top 10 Biggest Auto Insurers in U.S. by Market Share

CompanyDirect Premiums Written Share (%)
1State Farm15.93%
2Geico14.31%
3Progressive13.71%
4Allstate10.37%
5USAA6.01%
6Liberty Mutual4.88%
7Farmers4.71%
8Nationwide2.13%
9American Family2.10%
10Travelers2.04%
Source: S&P Global

Source: S&P Global

U.S. Car Insurers Ratings

CompanyAM Best RatingNAIC ScoreJ.D. Power Score
1State FarmA++4.733.11
2GeicoA++3.893.07
3USAAA++4.385
4TravelersA++4.632.73
5ProgressiveA+4.452.96
6AllstateA+3.512.78
7NationwideA+4.742.36
8FarmersA4.12.49
9American FamilyA53.3
Source: AM Best, J.D. Power’s U.S., National Association of Insurance Commissioners (NAIC)

The U.S. commercial lines insurance segments are being challenged by slower revenue growth, inflation-based claim uncertainty and less favorable loss reserve experience.

While commercial lines reported statutory underwriting profits in four of the last five years, net written premium (NWP) growth is likely to slow in 2023 to 6%–7% YoY, vs. 10% in 2022 and 15% in 2021.

U.S. Commercial Auto Insurance Premiums

U.S. Commercial Auto Insurance Premiums
Source: S&P Global Market Intelligence

Car insurance policies that major insurance companies underwrite tend to be less expensive. Because large insurers write millions of policies each year, they can afford to price their policies more competitively.

Additionally, the biggest insurance companies in the U.S. often have more coverage options. If you want to customize your policy with endorsements or need specialty coverage like rideshare insurance, a large provider is more likely to have those policies.

FAQ

Which is the largest auto insurance company in the U.S. in 2024?

State Farm holds the top spot as the largest auto insurance company in the U.S. by market share and premiums written, totaling $40.4 bn in 2024. It is followed by Geico, Progressive, and Allstate.

How do insurance rates vary among the top 10 auto insurance companies?

Rates vary significantly among the largest insurers. State Farm, Geico, Progressive, and Allstate all have unique pricing, influenced by factors like coverage options, customer demographics, and regional market conditions.

Why do large insurance companies offer more coverage options?

Bigger insurers, like State Farm and Progressive, often provide extensive coverage options, including specialized policies like rideshare insurance, due to their larger market presence and resources.

How did U.S. commercial auto insurance premiums change in recent years?

U.S. commercial auto insurance premiums increased year-over-year, with growth rates in 2024 for liability, physical damage, and total premiums at 2.3%, 5.6%, and 3%, respectively, according to Beinsure Data.

What are the AM Best ratings for the top U.S. auto insurers?

Leading insurers like State Farm, Geico, and USAA hold an A++ rating from AM Best, reflecting strong financial stability, while other top companies, like Allstate and Nationwide, are rated A+ or A.

Which company ranks highest in customer satisfaction among the top insurers?

Based on J.D. Power’s U.S. Auto Claims Satisfaction Study, USAA, Geico, and State Farm rank among the highest in customer satisfaction, although rankings can vary by region and customer expectations.

How do the largest U.S. auto insurers handle customer complaints?

Complaint data from the National Association of Insurance Commissioners (NAIC) shows varied results, with State Farm, Geico, and USAA generally performing well, indicating efficient claims handling and customer service.

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Edited & Fact-checked by Oleg Parashchak – CEO Finance Media & Editor-in-Chief at Beinsure Media and Insurance TOP Ratings (23+ years of professional experience in Rankings, Insurance & Media).