Most auto insurance companies are small, local providers only available in a limited number of states. On a national level, a few select providers have high market shares with cheaper prices, more ...

State Farm is the largest auto insurance company in the U.S., followed by Progressive, Geico and Allstate, respectively. Together, they control more than 50% of the car insurance market.

Four companies control more than half of the U.S. auto insurance market, according to the National Association of Insurance Commissioners (NAIC). State Farm is the largest, with 18.31% of the market.

This list of car insurance companies covers the top 25 providers by size with annual cost averages, as well as a deeper analysis of the top 10 insurance companies.

USAA and Travelers are also top-scoring companies in our rating of best auto insurance companies for seniors. Getting several car insurance quotes can help you find an affordable auto insurance ...

All providers presented as part of our top picks all received an 8 out of 10 or higher in our survey of over 130 providers in the United States.

Florida. Projected average annual cost for full-coverage auto insurance by end of 2025: $3,484 Projected percent increase in 2025 versus 2024: 10% Drivers in Florida paid $3,166, or 35% more than ...