International Lighthouse Organisations
International Association of Marine Aids to Navigation & Lighthouse Authorities
The International Association of Lighthouse Authorities is a non profit making body representing over 200 marine aid to navigation authorities, manufactures and consultants worldwide.
www.iala-aism.org
Lighthouse Associations
The Association of Lighthouse Keepers
The Association of Lighthouse Keepers was formed in 1988 by a group of serving and retired Trinity House lighthouse keepers. The association welcomes members throughout the world who share an interest in lighthouses and other coastal and inland aids to navigation.
www.alk.org.uk
Lighthouse Authorities for the United Kingdom and Scotland
GLA Research and Development (GRAD)
The GLA Research and Development (GRAD) undertakes research and development of physical and radio marine aids to navigation (AtoNs), support systems and their integration to support the GLAs' mission "to deliver a reliable, efficient and cost-effective Aids to Navigation service for the benefit and safety of all mariners"
Trinity House
Trinity House, is the General Lighthouse Authority for England and Wales
https://www.trinityhouse.co.uk/
The Northern Lighthouse Board
The Northern Lighthouse Board, the General Lighthouse Authority for Scotland and the Isle of Man.