The Delaware River Port Authority operates and maintains four major bridges and the PATCO transit line, providing transportation infrastructure and services in the Delaware River region.
The Docking Pilots Association Inc. is a Warminster, PA-based organization of licensed docking pilots providing ship handling and vessel docking services on the Delaware River and Delaware Bay.
The University of Delaware's College of Earth, Ocean & Environment (CEOE) operates marine research facilities at the Hugh R. Sharp Campus in Lewes, including the 146-foot R/V Hugh R. Sharp research vessel in the UNOLS fleet and the R/V Joanne Daiber.
The University of Delaware College of Marine Studies is an academic institution focused on marine science education and research, located in Lewes, Delaware, USA.
Wilmington Tug, Inc. is a family-owned company providing harbor assist towage and ship docking services on the Delaware River since 1965, operating a fleet of modern Z-drive tugs.