Company lists · Data refreshed October 2026

Top 25 Hydrographic instrument suppliers worldwide

RevenueBase identified 92 company matches for hydrographic instrument suppliers worldwide as of October 2026 and tracks 680 professional contacts across them, including 190 with verified work emails. Mumbai is the largest hub.

This list covers company matches for hydrographic instrument suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 26, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 26, 2026 How this list was built
92Companies
680Contacts tracked
190Verified emails
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The 25 largest hydrographic instrument suppliers worldwide

Ranked by team size
Top 25 of 92 company matches for hydrographic instrument suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 26, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchVictoria, BC, CanadaHQ recorded Oct 26, 202651-20068 contacts →

Exact match

“We've had fifty years of experience manufacturing high performance oceanographic and hydrographic equipment.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
2Exact matchKent, WA, United StatesHQ recorded Oct 26, 202651-20058 contacts →

Exact match

“Seametrics, a Tasi Flow brand, is a designer and manufacturer of a wide variety of flow metering and submersible sensor products.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
3Exact matchTotnes, United KingdomHQ recorded Oct 26, 202651-20047 contacts →

Exact match

“Valeport is an independently owned manufacturer of Oceanographic & Hydrometric Equipment and Instrumentation.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
4Exact matchShingle Springs, CA, United StatesHQ recorded Oct 26, 202611-5031 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
5Exact matchJakarta Selatan, IndonesiaHQ recorded Oct 26, 202611-5028 contacts →

Exact match

“Geotronix provide total solution for survey equipment requirement, training and support.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
6Exact matchÅbo, FinlandHQ recorded Oct 26, 20261-1027 contacts →

Exact match

“We offer a range of services in the field of hydrography and fairway design.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
7Exact matchIstanbul, TürkiyeHQ recorded Oct 26, 202611-5027 contacts →

Exact match

“Kordil provides hydrographic, oceanographic, geophysics, geodesic, photogrammetric and engineering surveying equipment / services from Turkey.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
8Exact matchKaty, TX, United StatesHQ recorded Oct 26, 20261-1023 contacts →

Exact match

“We specialize in the supply of marine navigation, hydrographic survey and GPS equipment for hire, sale or lease purchase.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
9Exact matchTauranga, New ZealandHQ recorded Oct 26, 20261-1018 contacts →

Exact match

“OUR SERVICES - Measurement Science, BATHYMETRIC & TOPOGRAPHIC Surveys We measure and model anything below, above or near the waterline in any format our clients require.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
10Exact matchHouten, NetherlandsHQ recorded Oct 26, 202611-5017 contacts →

Exact match

“Aqua Vision delivers hydrographic, geophysical and environmental monitoring solutions for clients ranging from government authorities and contractors to the dredging and offshore…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchJacksonville, FL, United StatesHQ recorded Oct 26, 202611-5016 contacts →

Exact match

“Arc Surveying & Mapping, Inc provides hydrographic, topographic and land surveys globally, specializing in ports, harbors, bridges, dredging and related services.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchHartwell, GA, United StatesHQ recorded Oct 26, 202611-509 contacts →

Exact match

“ECHO81 is a US-based distributor for hydrographic survey equipment and marine instrumentation offering sales, rentals, installations, and training.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchCentral Business District, MaltaHQ recorded Oct 26, 202611-509 contacts →

Exact match

“A state-of-the-art facility in Malta, manufacturing and distributing world leading, patented and highly advanced survey systems.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
14Exact matchCrows Nest, AustraliaHQ recorded Oct 26, 202611-508 contacts →

Exact match

“Boat Books is Australia’s leading supplier of Nautical Books, Charts, Navigation Instruments and Marine Software.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
15Exact matchHornsby, AustraliaHQ recorded Oct 26, 202611-508 contacts →

Exact match

“CEE HydroSystems are a leading manufacturer of compact shallow water hydrographic survey equipment.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
16Exact matchHalstenbek, GermanyHQ recorded Oct 26, 20261-107 contacts →

Exact match

“Nicola Engineering is a dynamic engineering office for marine and land surveying with over 40 years' experience in hydrography.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
17Exact matchHaarlem, NetherlandsHQ recorded Oct 26, 202611-507 contacts →

Exact match

“Datawell is a private company that develops and produces oceanographical measuring instruments.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
18Exact matchAmsterdam, NetherlandsHQ recorded Oct 26, 20261-106 contacts →

Exact match

“Specialist in underwater technology.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
19Exact matchLymington, United KingdomHQ recorded Oct 26, 202611-506 contacts →

Exact match

“A+T design and manufacture the best-engineered instrument systems for wind, speed, heading, position, depth and a wide range of other sensors such as load and pressure.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
20Exact matchCarquefou, FranceHQ recorded Oct 26, 20261-105 contacts →

Exact match

“PrimeGPS est la division Marine de SITECH France, spécialisée dans la fourniture de matériels et logiciels pour l'hydrographie et les travaux maritimes et fluviaux.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
21Exact matchRueil-malmaison, FranceHQ recorded Oct 26, 20261-104 contacts →

Exact match

“La société Equipements et Travaux Hydrauliques et Maritimes (ETHM) a été créée en 1972 à Paris, en France.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
22Exact matchPietermaritzburg, South AfricaHQ recorded Oct 26, 20261-103 contacts →

Exact match

“Amaza Surveys offers hydrospatial consulting, hydrographic survey equipment sales and rentals, hydrographic survey support, hydrospatial project management, as well as…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
23Exact matchPertuis, FranceHQ recorded Oct 26, 20261-103 contacts →

Exact match

“Depuis plus de 35 ans, l'entreprise Maritech vous propose des solutions innovantes en instrumentation océanographique et hydrographique.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
24Exact matchJoondalup, AustraliaHQ recorded Oct 26, 20261-102 contacts →

Exact match

“Exodus Hydrographic Surveys is a privately owned hydrographic surveying company operating out of Perth, Western Australia.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
25Exact matchChichester, United KingdomHQ recorded Oct 26, 20261-102 contacts →

Exact match

“We are pioneering suppliers and manufacturers of water instrumentation.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase

Showing 25 of 92 hydrographic instrument suppliers worldwide

See the full list, filter by size, metro and specialty, and access 190 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydrographic instrument suppliers worldwide at a glance

As of Oct 26, 2026
27.9%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · Mumbai
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
59
11-50
26
51-200
5
201-500
1

Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 92 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records worldwide whose business descriptions match “hydrographic instrument suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 190 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 26, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hydrographic instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrographic instrument suppliers are there worldwide?

RevenueBase identified 92 company matches for hydrographic instrument suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

AML Oceanographic LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hydrographic instrument suppliers?

Mumbai leads with 2 company records, followed by Victoria (2) and Albert Falls Pietermaritzburg (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 190 professional contacts with verified work emails tracked across these 92 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 26, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.