navigation authority
company or statutory body concerned with the management of a navigable canal or river
Canal & River Trust
charitable trust that looks after the waterways of England and Wales
Environment Agency
non-departmental public body in the UK
Port of Tyne
commercial docks of the River Tyne
St. Lawrence Seaway Development Corporation
United States federal agency operating the US portions of the St. Lawrence Seaway
St. Lawrence Seaway Management Corporation
entity operating the Canadian portions of the St. Lawrence Seaway
British Waterways
canal and inland waterway authority