Hill International, Inc., provides a range of project management and construction claims services to clients worldwide, primarily in the United States/Canada, Latin America, Europe, the Middle East, North Africa, and Asia/Pacific. Its clients include the United States and other national governments and their agencies, state and local governments and their agencies, and the private sector. The Company operates in two segments: the Project Management Group and the Construction Claims Group. The Company's Project Management Group provides fee-based or agency construction management services to its clients to identify trouble, difficulties and sources of delay on a construction project. Effective December 4, 2013, Hill International Inc acquired the remaining 6.8% interest, which it did not already own, in Gerens Hill International SA.