InsurPac is the Political Action Committee (PAC) of the Independent Insurance Agents & Brokers of America (IIABA). It represents the unified political voice of IIABA's 23,000 member agencies and 300,000 agents and brokers nationwide. It is the largest property-casualty insurance industry PAC in the country, and is one of the primary reasons the Big "I" is routinely rated among the most successful lobbying groups in Washington, DC.