American International Group, Inc. (AIG). A well-recognized brand supported by millions of dollars in media, AIG is the largest underwriter of commercial and industrial insurance in the United States, and among the top-ranked U.S. life insurers. AIG Auto Insurance consistently provides consumers with the opportunity to save on their auto coverages. As the fastest growing auto insurer in the United States for the last 13 years, AIG Auto Insurance offers competitive pricing and top-notch service. Our quote site provides more than just savings. Immediately, prospective buyers are met with a quote invitation and a showcase of the features in store for them: the ability to service their policy online, make payments, access safety tips and information, and learn about AIG’s world-wide history. Our online quote is quick and easy, providing excellent customer care along the way.