The auto insurance market in the U.S. is dominated by a few key players. In fact, the top ten auto insurance companies control more than 72% of the market. While the top ten insurance companies underwrite a large number of policies, they have very distinct characteristics. To help you choose the best insurance company for your situation, we created a list of the top ten largest auto insurance companies in the U.S. and discuss what makes each of them unique.


Want to know how much a particular model car costs to insure in your state? The car insurance comparison by vehicle tool will tell you. It provides average car insurance quotes for more than 3,600 models. This tool is a great way to compare insurance quotes on various vehicles before making a decision on which one to buy. Knowing the cost of insurance is a vital part of the car-buying process because it affects your overall car budget.
The Zebra didn’t allow me to customize coverage preferences, forcing me to choose one of four pre-assembled packages. It also didn’t list which companies allowed which discounts, making their earlier list of pre-qualified discounts less useful. On the right side of the page, the site provided an “Insurability Score” listing the factors that insurance companies use to set rates and grading the information I’d provided during the quoting process, which could help drivers looking to improve their rates in the future.
Results: Insurify produced nine quotes, starting at $78/month, each with the option to contact the insurance company immediately or schedule a phone call for a later time. Some of the quotes included helpful information about the policy or the insurance company offering it. The site allowed me to change the coverage from the left hand sidebar, and it was easy to click on the different coverages and see the prices change in real time.
State Farm operates as a mutual insurance company, meaning that it’s owned by its policyholders. State Farm is the largest auto insurance company in the U.S. and possesses 18% of the total available market share. Nearly one in five dollars spent on private passenger auto premiums in the U.S. is paid to State Farm. The company currently employs approximately 70,000 employees and has nearly 19,000 agents. In accordance with its large market share, State Farm’s latest annual report shows a net gain of over $1.7 billion.
It's hard to say. You might see rates change as you age, but they don't always go down, so much as they level out or increase at a lower rate. (Remember, the rules of inflation are in effect.) And that assumes you don't incur any red marks on your driving record. As for a change in marital status, you generally have to contact your insurer to get a rate decrease — and if your spouse has a less-than-stellar driving record, well, again, you mind wind up paying more.

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While State Farm's shopping experience is well-reviewed, customers did not feel as strongly about it's claims handling process. The company scored about the same as the other four large companies, but was still mediocre. A large national company may be expected to not be very efficient because of the various departments involved in handling individual claims. If you want the assurances guaranteed to you by a large, "legacy" carrier, then State Farm is the best to go with.
Everquote  actually has two websites. One is a typical lead generation insurance site with quoting tools for auto, home and life insurance. The other, Everquote Pro, is for insurance agents—it provides a way for agents to sign up to receive information about visitors to the site who use the quoting tools. Everquote is rated 1.5 out of 5, and has 80 user reviews on BBB.org.
Also, we accept most cars and drivers. (Yes, that means you too!) We offer free auto insurance quotes for drivers that have had a history of driving violations or accidents (in most cases considered high-risk drivers), have let their insurance expire, or have less than perfect credit. We always offer the same flexible rate plans and outstanding customer service, regardless of your driving record.
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