State Farm is the largest property and casualty insurance provider in the United States. It is also the largest auto insurance provider in the United States.^[7] State Farm is ranked 33rd in the 2017 Fortune 500, which lists American companies by revenue.^[8]

State Farm relies on exclusive agents (also known as captive agents) to sell insurance. Only State Farm agents can sell State Farm insurance, and their agents can only sell State Farm products.^[9][10]

State Farm's top automobile insurance competitors, based on premium written, include Farmers Insurance, Allstate, Progressive, GEICO, Zurich Financial Services, Reliance Partners, Nationwide, USAA, Liberty Mutual, American International Group, and American Family Insurance Group.