RLI Corp is a specialty insurance company offering a wide range of property and casualty insurance products. It caters to both commercial and personal clients, providing coverage for general liability, professional liability, commercial automobile, and various property insurances. RLI also offers surety bonds for businesses and contractors, as well as engaging in reinsurance. With a focus on unique and hard-to-place risks, RLI operates through a network of brokers, agents, and offices across the United States. Founded in 1965, the company is headquartered in Peoria, Illinois.