The Wasserstraßen- und Schifffahrtsamt Weser-Jade-Nordsee is a German federal authority responsible for the management and maintenance of federal waterways including the Jade, Weser, and parts of the North Sea.
Incanal manages the administration, financing, maintenance, study, construction, improvement, and inspection of Venezuela's sea, lake, and river navigation channels.
Pease Development Authority manages and maintains New Hampshire waterways through its Division of Ports & Harbors, along with other regional transportation and recreational facilities.
The U.S. Army Corps of Engineers Rock Island District operates and maintains the Inland River Navigation system on the Upper Mississippi and Illinois Waterways, including locks, dams, and channels supporting commercial navigation.
Wasser- und Schifffahrtsdirektion Nord is a German federal authority responsible for the management, maintenance, and operation of federal waterways and shipping infrastructure in northern Germany.