* Consumer Reports: Consumer Reports is a nonprofit organization that provides unbiased product reviews and ratings. They publish a yearly auto insurance Buying Guide, which includes ratings on customer satisfaction, price, and claims handling.
* NAIC: The National Association of Insurance Commissioners (NAIC) is an organization of state insurance regulators. They maintain a database of insurance company financial information, including complaints and financial strength ratings.
* State insurance department: Each state has an insurance department that regulates insurance companies. These departments maintain websites with information on insurance companies, including complaint data and financial strength ratings.
* Insurance company websites: Insurance companies typically have websites with information on their products, services, and customer service ratings.