Get a complete list of companies that offer insurance in the U.S But if you are thinking about using a company, make sure to check out their financial rating. To be safe, it's best to go to a company with a rating of "A" or higher.

Also, you can also read other people's recommendations and experiences with auto insurance companies at Epinions.com or get J.D. Powers ratings of auto insurance companies

MSN Money
An easy way to get insurance quotes from a number of different companies at once, a service of the Microsoft Network and CNBC.

Yahoo! Finance
Another gateway to multiple insurers, provided by Yahoo!.