The largest auto insurance companies in the United States 2023.

The largest auto insurance companies in the United States 2023.

The largest auto insurance companies in the United States 2023.

The largest auto insurance companies in the United States, based on market share, are:

1. State Farm: State Farm is the largest auto insurance company in the US, with a market share of around 16%.

2. GEICO: GEICO is the second-largest auto insurer in the US, with a market share of around 13%.

3. Progressive: Progressive is the third-largest auto insurer in the US, with a market share of around 11%.

4. Allstate: Allstate is the fourth-largest auto insurer in the US, with a market share of around 9%.

5. USAA: USAA provides insurance to military members and their families, and has a market share of around 6%.

6. Farmers: Farmers is the sixth-largest auto insurer in the US, with a market share of around 5%.

7. Nationwide: Nationwide is the seventh-largest auto insurer in the US, with a market share of around 3%.

8. Liberty Mutual: Liberty Mutual is the eighth-largest auto insurer in the US, with a market share of around 3%.

9. Travelers: Travelers is the ninth-largest auto insurer in the US, with a market share of around 2%.

10. American Family: American Family is the tenth-largest auto insurer in the US, with a market share of around 2%.