Port Penrhyn Plant Ltd is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Gwynedd
 Ports Docks and Harbours in Bangor

Watermouth Harbour Ltd is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Devon
 Ports Docks and Harbours in Ilfracombe

The Mersey Docks is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Merseyside
 Ports Docks and Harbours in Liverpool

Saundersfoot Harbour Commissioners (Saundersfoot) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Dyfed
 Ports Docks and Harbours in Saundersfoot

Associated British Ports (Kings Lynn) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Norfolk
 Ports Docks and Harbours in Kings Lynn

Associated British Ports (Goole DN14 7YW) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in South Yorkshire
 Ports Docks and Harbours in Goole

Glasson Dock Harbour Master is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Lancashire
 Ports Docks and Harbours in Lancaster

Orkney Harbours is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Orkney
 Ports Docks and Harbours in Kirkwall

Pittenweem Fish Market is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Fife
 Ports Docks and Harbours in Anstruther

Manchester Ship Canal Co (Wirral) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Merseyside
 Ports Docks and Harbours in Wirral