ICF International is a professional services and technology consulting firm that serves government and commercial clients globally through five integrated service areas: Advisory Services, Program Implementation, Analytics Services, Digital Services, and Engagement Services. The company operates across three primary markets—Energy, Environment, Infrastructure and Disaster Recovery; Health and Social Programs; and Security and Commercial Services—providing management consulting, technology solutions, and policy implementation to U.S. federal, state, and local governments, international governments, and commercial organizations. ICF generates revenue through a mix of time-and-materials, fixed-price, and cost-based contracts, with income sourced primarily from direct prime contracts with government agencies and commercial clients seeking expertise in sustainability, public health, cybersecurity, technology modernization, and resilience planning.