Since 1946, American Commerce Insurance Company (ACIC) has become one of America's leading suppliers of personal lines insura ... nce. ACIC is rated "A+"� (Superior) by A.M. Best... one of the oldest and most reputable insurance company rating organizations in the world. Our home office is located in Columbus, Ohio with two state-of-the-art Claims Centers located in the eastern and western portions of the country. ACIC is built on a foundation of superior service to customers and agents alike. For over sixty years, we've listened very carefully to what customers want from an insurance company. We've learned how to gain their business and confidence, and how to keep it. ACIC is a member of The Commerce Group, Inc., one of the nation's largest providers of personal auto insurance. In June 2008, The Commerce Group, Inc. was acquired by MAPFRE S.A., a global organization and the leading provider of non-life insurance in Spain. MAPFRE ranks as the largest insurance group in Latin America and the tenth largest in Europe with a presence in 43 countries, and a network of almost 51,000 agents around the world. read more