Companies Directory

The Hydro International companies directory is the most extensive source for professionals working in hydrography with over 2000 companies listed. A perfect spot to show your business to the industry and to find the company you are looking for. Use the filter options or the search box in the full directory.

Company Highlight
Geomares Education is the dedicated webstore for all your subscriptions, magazines and books regarding hydrography, satellite navigation, geomatics and electronical navigation! You can find titles like; Handbooks of Offshore Surveying, GNSS Survey & Engineering, etc. But also back order magazines and subscriptions of Hydro International, GIM International, GIS Professional, etc.  We...
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RTsys is specialised in passive and active underwater acoustics and drones. We have more than 30 years of expertise and extensive business experience in the development of high-tech products. Our innovations are used not only in the civil sector, but also for defence sector, and are equipped with SDA (Synchronous...
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We are an independent UK company operating worldwide that specialises in all aspects of marine environmental data acquisition, data management, GIS and other services. Our highly skilled team has expertise in oceanography, hydrography, information technology, system integration and software development so are well placed to assist you in solving your...
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Check out the Business Guide
Business Guide 2019

Hydro International's Business Guide features Company Profiles, Contact Details and the online directory. It is distributed among subscribers of our bi-monthly magazine, visitors of international trade shows throughout the year and is available as an online edition - thus it is a valuable information source to consult regularly throughout the year.

Do you like to learn more about this special edition? Contact Feline van Hettema (sales and marketing manager) or Cees van Dijk (content manager).