 PHILADELPHIA, Aug. 09, 2021 GLOBE NEWSWIRE -- Hill International, Inc. NYSE:HIL, delivering the infrastructure of change, announced today it was selected by the City of Philadelphia, Division of Aviation, to provide Capital Program Administration support services for the Citys ongoing Capital Program at Philadelphia International Airport PHL. Hill has supported PHLs Capital Program for more than 20 years, helping to manage and implement budgets, deliver cost efficiencies, maximize investments, and advance the Citys diversity goals. 