Name That Company

I trace my roots back to 1922, when a retired farmer and insurance salesman founded me in Bloomington, Illinois, to provide auto insurance. Before long I added life insurance and fire and casualty coverage; I became America's top auto insurer in 1942. Health insurance followed in the 1960s. Today, my affiliates and I are America's biggest providers of auto and home insurance. I boast more than 19,000 agents, more than 65,000 employees, and more than 94 million policies and accounts. You can't invest in me, because I'm a mutual company — owned by my policyholders. Who am I?

Think you know the answer? We'll announce it in next week's edition.