 PHILADELPHIA and BALTIMORE, Sept. 21, 2021 GLOBE NEWSWIRE -- Hill International NYSE:HIL, delivering the infrastructure of change, announced today it was awarded an indefinite deliveryindefinite quantity contract to provide construction management and inspection CMI services to the Maryland Aviation Administration MAA until 2026. Hill has been providing CMI support for airside, landside, and terminal projects at BaltimoreWashington Thurgood Marshall Airport BWI and Martin State Airport MTN since 2015. 