Pilotage Service Plymouth is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Devon
 Ports Docks and Harbours in Plymouth

Berwick Upon Tweed Harbour Commission is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in
 Ports Docks and Harbours in Berwick Upon Tweed

Caernarfon Harbour Trust (Caernarfon) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Gwynedd
 Ports Docks and Harbours in Caernarfon

Poole Docks is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Dorset
 Ports Docks and Harbours in Poole

Ramsgate Marina Harbour Authority is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Kent
 Ports Docks and Harbours in Ramsgate

Associated British Ports (Plymouth) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Devon
 Ports Docks and Harbours in Plymouth

Whitehaven Harbour Commissioners (Whitehaven) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Cumbria
 Ports Docks and Harbours in Whitehaven

Stonehaven Harbour Office is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Kincardineshire
 Ports Docks and Harbours in Stonehaven

Nigerian Ports Authority is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Greater London
 Ports Docks and Harbours in London

S K S (Sheerness) is listed in:
 Ports Docks and Harbours
 Ports Docks and Harbours in Kent
 Ports Docks and Harbours in Sheerness