Members Members, both individual and institutional, represent the fields of hydrography, oceanography, geophysics, civil engineering and associated disciplines at all levels of expertise. Organizations represented include contract survey companies, port authorities, government, military and public service authorities, petroleum companies, research and educational institutes, professional bodies and other learned associations, acoustic and electro-magnetic system manufacturers, dredging and salvage contractors, and surveyors in all sectors of private practice. As part of its services to members and the hydrographic marketplace THS is determined to develop its website into the leading sea surveying information resource on the internet. This directory lists companies providing services and products to the hydrographic community. The directory can be queried by a number of criteria, e.g. name, country, product, service.
All companies have a free listing.
On top of the free listing companies have the opportunity to include banners, their logo, additional webpages and links to their own websites on an advertising basis.