Hill International, a leader in the construction advice business, is far from over the hill. The company offers project management and construction claims consulting services worldwide. It manages all aspects of the construction process, from pre-design through completion -- even troubled project turnaround. Construction claims services include expert witness testimony and litigation support. The company has provided services for such clients as the Arizona Diamondbacks, Consolidated Edison, Kimpton Hotel & Restaurant Group, and Walt Disney. It also counts US government agencies and international governments among its clients. Hill International operates out of around 100 offices in more than 35 countries.