Alliant Insurance Services is a leading U.S. specialty insurance brokerage and consulting firm, ranked among the top five largest brokers nationally. Founded in 1925 and headquartered in Irvine, California, Alliant delivers tailored risk management, commercial insurance, employee benefits, and consulting solutions across diverse industries. Known for its entrepreneurial culture and collaborative approach, Alliant helps businesses and organizations navigate complex insurance and risk challenges with innovative, client-focused strategies.