John Lilley & Son starts in London manufacturing nautical instruments.
Wilson & Gillie founded in North Shields as Admiralty Chart Agents.
John Lilley & Son and Wilson and Gillie merge to create John Lilley and Gillie.
Bader and Hornig founded in Hamburg to provide charts to shipping companies. Later known as HanseNautic.
Dubois Phillips McCallum (DPM) founded in the port of Liverpool. Later acquired by Harrison Group.
Cornes Charts established in Yokohama.
Thomas Gunn Navigation Services (TGNS) founded in Aberdeen to provide compass adjusting services in the North Sea.
DPM founded in Singapore as a JV between Harrison Group and Wallem Ship Mgmt.
Poly Thomas Gunn founded in Athens as a JV between the Poly family and TGNS.
Global Navigation Solutions (GNS) formed from the merger of TGNS, DPM and HanseNautic.
Cornes Group acquires Safe Navigation.
Cornes Group acquires GNS.
Cornes, Safe Navigation and GNS merge to form Voyager Worldwide.