Company lists · Data refreshed November 2026
Top 25 Hydrographic survey firms worldwide
RevenueBase identified 1,159 company matches for hydrographic survey firms worldwide as of November 2026 and tracks 15,147 professional contacts across them, including 3,862 with verified work emails. The United States is the largest market and Istanbul the largest hub.
This list covers company matches for hydrographic survey firms 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 November 6, 2026. Country and city lists for hydrographic survey firms follow the table.
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.
The 25 largest hydrographic survey firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,073 contacts → | ||||
Exact match “Shearwater is a global marine geoscience and technology business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 682 contacts → | ||||
Exact match “ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 671 contacts → | ||||
Exact match “SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 557 contacts → | ||||
Exact match “Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 443 contacts → | ||||
Exact match “Established in 1997 Land Surveys (An ISGroup Company) continues to grow and expand across Australia and overseas due to the demand for more comprehensive survey services in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 415 contacts → | ||||
Exact match “GEOxyz is an international maritime data company specialized in hydrographic, geophysical, geotechnical and topographical surveys, site investigations, renewable energy support…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 398 contacts → | ||||
Exact match “Headquartered in the UAE, Horizon Geosciences provide marine survey and geotechnical services to an array of clients around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 219 contacts → | ||||
Exact match “We collect and process information to visualise the conditions of the seabed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 188 contacts → | ||||
Exact match “Baggerbedrijf De Boer - Dutch Dredging is a medium size dredging company, based in Sliedrecht in the Netherlands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 152 contacts → | ||||
Exact match “G-TEC provides marine and land based geophysical surveys.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 149 contacts → | ||||
Exact match “Pageo is a leading survey company providing survey, positioning and subsea services to the offshore oil & gas and offshore construction industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 142 contacts → | ||||
Exact match “QPS is a software design company specialised in Hydrographic and Maritime applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 133 contacts → | ||||
Exact match “Teledyne RESON provides a range of high quality underwater acoustic hardware and software solutions, including recognized brands such as SeaBat Multibeam Echosounder and Teledyne…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 115 contacts → | ||||
Exact match “TDI-Brooks is a 27-year-old research and service company specializing in geotechnical and offshore survey projects; multi-disciplinary oceanographic and environmental projects…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 114 contacts → | ||||
Exact match “Benthic is a global leader in offshore marine geotechnical investigation, survey, analysis and design.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 105 contacts → | ||||
Exact match “EGS is a leading international group of companies with offices in Europe, Americas, Asia and Australia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 103 contacts → | ||||
Exact match “Deep is an innovative survey company founded in and ever since headquartered in Amsterdam, The Netherlands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 93 contacts → | ||||
Exact match “«Фертоинг» - современная, быстро развивающаяся инженерная компания, выполняющая большой объем работ в области комплексных морских изысканий, навигационно-гидрографического и…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 81 contacts → | ||||
Exact match “Dragon Geosciences is a leading provider of customized surveying solutions for offshore renewable energy, nearshore construction, and oil and gas infrastructures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 79 contacts → | ||||
Exact match “Gahagan & Bryant Associates, Inc.(GBA) is a unique engineering firm that specializes in providing consulting and engineering services for a variety of projects, including port…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 72 contacts → | ||||
Exact match “Ogeo Survey is specialize in providing a wide range of survey services particularly in support of Offshore Marine and Oil & Gas Exploration and Production industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 71 contacts → | ||||
Exact match “We've had fifty years of experience manufacturing high performance oceanographic and hydrographic equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 71 contacts → | ||||
Exact match “We turn knowledge and technology into lasting value.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 70 contacts → | ||||
Exact match “Northern Survey can provide the platform to carrying out all kind of offshore-jobs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 69 contacts → | ||||
Exact match “Geoservices Maritime Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “hydrographic survey firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,159 hydrographic survey firms worldwide
See the full list, filter by size, metro and specialty, and access 3,862 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrographic survey firms worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for hydrographic survey firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hydrographic survey firms” 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 3,862 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 November 6, 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.
Hydrographic survey firms by location
10 lists · largest firstEvery Hydrographic survey firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydrographic survey firms based in the United States175
- Hydrographic survey firms based in the United Kingdom118
- Hydrographic survey firms based in Australia57
- Hydrographic survey firms based in the Netherlands51
- Hydrographic survey firms based in Indonesia47
- Hydrographic survey firms based in India40
- Hydrographic survey firms based in Brazil35
- Hydrographic survey firms based in Canada35
- Hydrographic survey firms based in France27
- Hydrographic survey firms based in Italy26
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 survey firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrographic survey firms are there worldwide?
RevenueBase identified 1,159 company matches for hydrographic survey firms worldwide as of November 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?
Shearwater Geoservices tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most hydrographic survey firms?
The United States leads with 175 companies, followed by the United Kingdom (118) and Australia (57). Every hydrographic survey firms list by country and city is linked on this page.
Which city has the most hydrographic survey firms?
Istanbul leads with 11 company records, followed by Singapore (11) and Navi Mumbai (9).
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 3,862 professional contacts with verified work emails tracked across these 1,159 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,159 hydrographic survey firms worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 hydrographic survey firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,159 matching company records for hydrographic survey firms worldwide, with 15,147 tracked contacts and 3,862 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hydrographic survey firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Shearwater Geoservicesshearwatergeo.comHQ: Laksevåg, United StatesReported employees: 1,001-5,000 | Laksevåg, United States | 1,001-5,000 | Exact match | 1,073 contacts → |
“Shearwater is a global marine geoscience and technology business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Pt. Anindya Wiraputra Konsultanindya.bizHQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 682 contacts → |
“ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Saexplorationsaexploration.comHQ: Houston, AB, United StatesReported employees: 201-500 | Houston, AB, United States | 201-500 | Exact match | 671 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gardline Limitedgardline.comHQ: Great Yarmouth, United KingdomReported employees: 501-1,000 | Great Yarmouth, United Kingdom | 501-1,000 | Exact match | 557 contacts → |
“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Land Surveyslandsurveys.net.auHQ: Belmont, United StatesReported employees: 201-500 | Belmont, United States | 201-500 | Exact match | 443 contacts → |
“Established in 1997 Land Surveys (An ISGroup Company) continues to grow and expand across Australia and overseas due to the demand for more comprehensive survey services in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Geoxyzgeoxyz.euHQ: Zwevegem, BelgiumReported employees: 501-1,000 | Zwevegem, Belgium | 501-1,000 | Exact match | 415 contacts → |
“GEOxyz is an international maritime data company specialized in hydrographic, geophysical, geotechnical and topographical surveys, site investigations, renewable energy support…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Horizon Geoscienceshorizon-geosciences.comHQ: Sharjah, United Arab EmiratesReported employees: 201-500 | Sharjah, United Arab Emirates | 201-500 | Exact match | 398 contacts → |
“Headquartered in the UAE, Horizon Geosciences provide marine survey and geotechnical services to an array of clients around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  MMTmmt.seHQ: Västra Frölunda, SwedenReported employees: 201-500 | Västra Frölunda, Sweden | 201-500 | Exact match | 219 contacts → |
“We collect and process information to visualise the conditions of the seabed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Baggerbedrijf DE Boer B.V.dutchdredging.nlHQ: Sliedrecht, NetherlandsReported employees: 201-500 | Sliedrecht, Netherlands | 201-500 | Exact match | 188 contacts → |
“Baggerbedrijf De Boer - Dutch Dredging is a medium size dredging company, based in Sliedrecht in the Netherlands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  G-Tecg-tec.euHQ: Milmort, BelgiumReported employees: 51-200 | Milmort, Belgium | 51-200 | Exact match | 152 contacts → |
“G-TEC provides marine and land based geophysical surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  PAGEOpageo.co.idHQ: Jakarta, IndonesiaReported employees: 201-500 | Jakarta, Indonesia | 201-500 | Exact match | 149 contacts → |
“Pageo is a leading survey company providing survey, positioning and subsea services to the offshore oil & gas and offshore construction industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  QPSqps.nlHQ: Zeist, NB, NetherlandsReported employees: 51-200 | Zeist, NB, Netherlands | 51-200 | Exact match | 142 contacts → |
“QPS is a software design company specialised in Hydrographic and Maritime applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Teledyne Resonteledyne-reson.comHQ: Slangerup, DenmarkReported employees: 201-500 | Slangerup, Denmark | 201-500 | Exact match | 133 contacts → |
“Teledyne RESON provides a range of high quality underwater acoustic hardware and software solutions, including recognized brands such as SeaBat Multibeam Echosounder and Teledyne…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Tdi-Brookstdi-bi.comHQ: College Station, TX, United StatesReported employees: 51-200 | College Station, TX, United States | 51-200 | Exact match | 115 contacts → |
“TDI-Brooks is a 27-year-old research and service company specializing in geotechnical and offshore survey projects; multi-disciplinary oceanographic and environmental projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Benthic - Utecbenthic.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 114 contacts → |
“Benthic is a global leader in offshore marine geotechnical investigation, survey, analysis and design.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  EGS Surveyegssurvey.comHQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 105 contacts → |
“EGS is a leading international group of companies with offices in Europe, Americas, Asia and Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  DEEPdeepbv.comHQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 103 contacts → |
“Deep is an innovative survey company founded in and ever since headquartered in Amsterdam, The Netherlands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Fertoing LTDfertoing.ruHQ: Санкт-петербург, RussiaReported employees: 201-500 | Санкт-петербург, Russia | 201-500 | Exact match | 93 contacts → |
“«Фертоинг» - современная, быстро развивающаяся инженерная компания, выполняющая большой объем работ в области комплексных морских изысканий, навигационно-гидрографического и…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Dragon Geosciencesdragon-geosciences.comHQ: 高雄, TaiwanReported employees: 51-200 | 高雄, Taiwan | 51-200 | Exact match | 81 contacts → |
“Dragon Geosciences is a leading provider of customized surveying solutions for offshore renewable energy, nearshore construction, and oil and gas infrastructures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Gahagan And Bryant Associates, INCgba-inc.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 79 contacts → |
“Gahagan & Bryant Associates, Inc.(GBA) is a unique engineering firm that specializes in providing consulting and engineering services for a variety of projects, including port…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ogeo Survey SDN BHDogeosurvey.comHQ: Kuala Lumpur, MalaysiaReported employees: 51-200 | Kuala Lumpur, Malaysia | 51-200 | Exact match | 72 contacts → |
“Ogeo Survey is specialize in providing a wide range of survey services particularly in support of Offshore Marine and Oil & Gas Exploration and Production industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AML Oceanographic LTDamloceanographic.comHQ: Victoria, BC, CanadaReported employees: 51-200 | Victoria, BC, Canada | 51-200 | Exact match | 71 contacts → |
“We've had fifty years of experience manufacturing high performance oceanographic and hydrographic equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Lighthouse GEOlighthouse-geo.comHQ: Zola Predosa, ItalyReported employees: 51-200 | Zola Predosa, Italy | 51-200 | Exact match | 71 contacts → |
“We turn knowledge and technology into lasting value.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Northern Surveynorthern-survey.comHQ: DenmarkReported employees: 51-200 | Denmark | 51-200 | Exact match | 70 contacts → |
“Northern Survey can provide the platform to carrying out all kind of offshore-jobs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Geoservices Maritime Pvt. LTDgeoservicesmaritime.comHQ: Navi Mumai, IndiaReported employees: 201-500 | Navi Mumai, India | 201-500 | Exact match | 69 contacts → |
“Geoservices Maritime Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,159 company matches
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Hydrographic survey firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,145 records in the displayed employee bands.
14 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,159 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hydrographic survey firms by location
10 lists · largest firstEvery Hydrographic survey firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydrographic survey firms based in the United States175
- Hydrographic survey firms based in the United Kingdom118
- Hydrographic survey firms based in Australia57
- Hydrographic survey firms based in the Netherlands51
- Hydrographic survey firms based in Indonesia47
- Hydrographic survey firms based in India40
- Hydrographic survey firms based in Brazil35
- Hydrographic survey firms based in Canada35
- Hydrographic survey firms based in France27
- Hydrographic survey firms based in Italy26
Questions about this company list
What does Exact match mean for hydrographic survey firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hydrographic survey firms did RevenueBase find worldwide?
The saved snapshot records 1,159 matching company records, 15,147 tracked contacts and 3,862 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 hydrographic survey firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hydrographic-survey-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 hydrographic survey firms worldwide
RevenueBase records 1,159 matching company records for hydrographic survey firms worldwide, with 15,147 tracked contacts and 3,862 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hydrographic survey firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Shearwater Geoservicesshearwatergeo.com HQ: Laksevåg, United StatesReported employees: 1,001-5,000 | Laksevåg, United States | 1,001-5,000 | Exact match | 1,073 contacts → |
“Shearwater is a global marine geoscience and technology business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Pt. Anindya Wiraputra Konsultanindya.biz HQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 682 contacts → |
“ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Saexplorationsaexploration.com HQ: Houston, AB, United StatesReported employees: 201-500 | Houston, AB, United States | 201-500 | Exact match | 671 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gardline Limitedgardline.com HQ: Great Yarmouth, United KingdomReported employees: 501-1,000 | Great Yarmouth, United Kingdom | 501-1,000 | Exact match | 557 contacts → |
“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Land Surveyslandsurveys.net.au HQ: Belmont, United StatesReported employees: 201-500 | Belmont, United States | 201-500 | Exact match | 443 contacts → |
“Established in 1997 Land Surveys (An ISGroup Company) continues to grow and expand across Australia and overseas due to the demand for more comprehensive survey services in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geoxyzgeoxyz.eu HQ: Zwevegem, BelgiumReported employees: 501-1,000 | Zwevegem, Belgium | 501-1,000 | Exact match | 415 contacts → |
“GEOxyz is an international maritime data company specialized in hydrographic, geophysical, geotechnical and topographical surveys, site investigations, renewable energy support…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Horizon Geoscienceshorizon-geosciences.com HQ: Sharjah, United Arab EmiratesReported employees: 201-500 | Sharjah, United Arab Emirates | 201-500 | Exact match | 398 contacts → |
“Headquartered in the UAE, Horizon Geosciences provide marine survey and geotechnical services to an array of clients around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | MMTmmt.se HQ: Västra Frölunda, SwedenReported employees: 201-500 | Västra Frölunda, Sweden | 201-500 | Exact match | 219 contacts → |
“We collect and process information to visualise the conditions of the seabed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Baggerbedrijf DE Boer B.V.dutchdredging.nl HQ: Sliedrecht, NetherlandsReported employees: 201-500 | Sliedrecht, Netherlands | 201-500 | Exact match | 188 contacts → |
“Baggerbedrijf De Boer - Dutch Dredging is a medium size dredging company, based in Sliedrecht in the Netherlands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | G-Tecg-tec.eu HQ: Milmort, BelgiumReported employees: 51-200 | Milmort, Belgium | 51-200 | Exact match | 152 contacts → |
“G-TEC provides marine and land based geophysical surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | PAGEOpageo.co.id HQ: Jakarta, IndonesiaReported employees: 201-500 | Jakarta, Indonesia | 201-500 | Exact match | 149 contacts → |
“Pageo is a leading survey company providing survey, positioning and subsea services to the offshore oil & gas and offshore construction industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | QPSqps.nl HQ: Zeist, NB, NetherlandsReported employees: 51-200 | Zeist, NB, Netherlands | 51-200 | Exact match | 142 contacts → |
“QPS is a software design company specialised in Hydrographic and Maritime applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Teledyne Resonteledyne-reson.com HQ: Slangerup, DenmarkReported employees: 201-500 | Slangerup, Denmark | 201-500 | Exact match | 133 contacts → |
“Teledyne RESON provides a range of high quality underwater acoustic hardware and software solutions, including recognized brands such as SeaBat Multibeam Echosounder and Teledyne…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tdi-Brookstdi-bi.com HQ: College Station, TX, United StatesReported employees: 51-200 | College Station, TX, United States | 51-200 | Exact match | 115 contacts → |
“TDI-Brooks is a 27-year-old research and service company specializing in geotechnical and offshore survey projects; multi-disciplinary oceanographic and environmental projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Benthic - Utecbenthic.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 114 contacts → |
“Benthic is a global leader in offshore marine geotechnical investigation, survey, analysis and design.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | EGS Surveyegssurvey.com HQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 105 contacts → |
“EGS is a leading international group of companies with offices in Europe, Americas, Asia and Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | DEEPdeepbv.com HQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 103 contacts → |
“Deep is an innovative survey company founded in and ever since headquartered in Amsterdam, The Netherlands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Fertoing LTDfertoing.ru HQ: Санкт-петербург, RussiaReported employees: 201-500 | Санкт-петербург, Russia | 201-500 | Exact match | 93 contacts → |
“«Фертоинг» - современная, быстро развивающаяся инженерная компания, выполняющая большой объем работ в области комплексных морских изысканий, навигационно-гидрографического и…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Dragon Geosciencesdragon-geosciences.com HQ: 高雄, TaiwanReported employees: 51-200 | 高雄, Taiwan | 51-200 | Exact match | 81 contacts → |
“Dragon Geosciences is a leading provider of customized surveying solutions for offshore renewable energy, nearshore construction, and oil and gas infrastructures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gahagan And Bryant Associates, INCgba-inc.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 79 contacts → |
“Gahagan & Bryant Associates, Inc.(GBA) is a unique engineering firm that specializes in providing consulting and engineering services for a variety of projects, including port…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ogeo Survey SDN BHDogeosurvey.com HQ: Kuala Lumpur, MalaysiaReported employees: 51-200 | Kuala Lumpur, Malaysia | 51-200 | Exact match | 72 contacts → |
“Ogeo Survey is specialize in providing a wide range of survey services particularly in support of Offshore Marine and Oil & Gas Exploration and Production industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AML Oceanographic LTDamloceanographic.com HQ: Victoria, BC, CanadaReported employees: 51-200 | Victoria, BC, Canada | 51-200 | Exact match | 71 contacts → |
“We've had fifty years of experience manufacturing high performance oceanographic and hydrographic equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lighthouse GEOlighthouse-geo.com HQ: Zola Predosa, ItalyReported employees: 51-200 | Zola Predosa, Italy | 51-200 | Exact match | 71 contacts → |
“We turn knowledge and technology into lasting value.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Northern Surveynorthern-survey.com HQ: DenmarkReported employees: 51-200 | Denmark | 51-200 | Exact match | 70 contacts → |
“Northern Survey can provide the platform to carrying out all kind of offshore-jobs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Geoservices Maritime Pvt. LTDgeoservicesmaritime.com HQ: Navi Mumai, IndiaReported employees: 201-500 | Navi Mumai, India | 201-500 | Exact match | 69 contacts → |
“Geoservices Maritime Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Hydrographic survey firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,145 records in the displayed employee bands.
14 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,159 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hydrographic survey firms by location
10 lists · largest firstEvery Hydrographic survey firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydrographic survey firms based in the United States175
- Hydrographic survey firms based in the United Kingdom118
- Hydrographic survey firms based in Australia57
- Hydrographic survey firms based in the Netherlands51
- Hydrographic survey firms based in Indonesia47
- Hydrographic survey firms based in India40
- Hydrographic survey firms based in Brazil35
- Hydrographic survey firms based in Canada35
- Hydrographic survey firms based in France27
- Hydrographic survey firms based in Italy26
Questions about this company list
What does Exact match mean for hydrographic survey firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hydrographic survey firms did RevenueBase find worldwide?
The saved snapshot records 1,159 matching company records, 15,147 tracked contacts and 3,862 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 hydrographic survey firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hydrographic-survey-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗