Dimond Bros. Insurance is one of the oldest independent insurance agencies in the United States, founded in 1867 in Arcola, Illinois. Today the agency offers auto, home, business, life, and health insurance solutions across Illinois, Indiana, Wisconsin and South Carolina. Dimond Bros. operates more than 40 offices and employs over 300 people, providing security and peace of mind for individuals, businesses and government entities for more than 150 years.