Company lists · Data refreshed November 2026
Top 25 Dredging survey companies worldwide
RevenueBase identified 1,108 company matches for dredging survey companies worldwide as of November 2026 and tracks 26,957 professional contacts across them, including 6,848 with verified work emails. The United States is the largest market and Rio De Janeiro the largest hub.
This list covers company matches for dredging survey companies 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 dredging survey companies 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 dredging survey companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,564 contacts → | ||||
Exact match “Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,439 contacts → | ||||
Exact match “NMDC Dredging & Marine was established in 1976 as a dredging division of Abu Dhabi National Oil Company (ADNOC).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 990 contacts → | ||||
Exact match “Great Lakes Dredge & Dock (GLDD) is the largest provider of dredging services in the United States and the only U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 678 contacts → | ||||
Exact match “A Construtora Vale Verde é uma empresa inovadora que concentra a sua expertise na atuação em soluções para construção civil pesada com serviços de dragagem convencional e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 626 contacts → | ||||
Exact match “Manson is one of the nation’s leading heavy civil marine construction and dredging companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 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 | |||||
| 7 | 450 contacts → | ||||
Exact match “Geoquip Marine is a geotechnical data acquisition company safely delivering offshore geotechnical site investigations and engineering services to clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 404 contacts → | ||||
Exact match “Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 374 contacts → | ||||
Exact match “Java Offshore, established in 2010, is a leading independent Offshore Services Contractor providing a range of Geophysical, Geotechnical and Subsea related solutions to marine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 214 contacts → | ||||
Exact match “Dharti Dredging and Infrastructure Ltd, is an ISO accredited leading Indian private dredging company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 203 contacts → | ||||
Exact match “As sólidas experiências acumuladas em anos de atuação no mercado contribuíram para o fortalecimento da empresa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 183 contacts → | ||||
Exact match “The Callan Marine team offers comprehensive dredging solutions for any project.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 182 contacts → | ||||
Exact match “The Dutra Group is a leading heavy civil marine contractor focused on strengthening our nation’s infrastructure through sustainable dredging and marine construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 175 contacts → | ||||
Exact match “Hall Contracting is Australia’s largest privately-owned dredging, civil and marine construction company with offices in South East Asia, the Pacific Islands and Australia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 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 | |||||
| 20 | 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 | |||||
| 21 | 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 | |||||
| 22 | 135 contacts → | ||||
Exact match “Fraser River Pile & Dredge (GP) Inc.(FRPD) was incorporated in Alberta in 2008, and is a successor company to Fraser River Pile Driving Company (founded in 1911).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 134 contacts → | ||||
Exact match “IMDC (International Marine and Dredging Consultants) offers highly skilled expertise to tackle a wide range of water-related issues.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 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 | |||||
| 25 | 132 contacts → | ||||
Exact match “Bintang Subsea - a DeepOcean Company - is a technology-driven, independent solution provider in the ocean space.” 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 “dredging survey companies”. 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 1,108 dredging survey companies worldwide
See the full list, filter by size, metro and specialty, and access 6,848 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Dredging survey companies 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 dredging survey companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “dredging survey companies” 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 6,848 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.
Dredging survey companies by location
8 lists · largest firstEvery Dredging survey companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Dredging survey companies based in the United States169
- Dredging survey companies based in the Netherlands101
- Dredging survey companies based in the United Kingdom71
- Dredging survey companies based in Brazil53
- Dredging survey companies based in India47
- Dredging survey companies based in Australia44
- Dredging survey companies based in Indonesia35
- Dredging survey companies based in France27
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 “dredging survey companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many dredging survey companies are there worldwide?
RevenueBase identified 1,108 company matches for dredging survey companies 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?
Boskalis tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most dredging survey companies?
The United States leads with 169 companies, followed by the Netherlands (101) and the United Kingdom (71). Every dredging survey companies list by country and city is linked on this page.
Which city has the most dredging survey companies?
Rio De Janeiro leads with 17 company records, followed by Houston (15) and Mumbai (12).
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 6,848 professional contacts with verified work emails tracked across these 1,108 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 1,108 dredging survey companies 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 dredging survey companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,108 matching company records for dredging survey companies worldwide, with 26,957 tracked contacts and 6,848 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 dredging survey companies 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 |  Boskalisboskalis.comHQ: Papendrecht, NetherlandsReported employees: 10001+ | Papendrecht, Netherlands | 10001+ | Exact match | 3,564 contacts → |
“Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nmdc Dredging & Marinenmdc-dredgingmarine.comHQ: Musaffah Industrial, United Arab EmiratesReported employees: 1,001-5,000 | Musaffah Industrial, United Arab Emirates | 1,001-5,000 | Exact match | 2,439 contacts → |
“NMDC Dredging & Marine was established in 1976 as a dredging division of Abu Dhabi National Oil Company (ADNOC).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 990 contacts → |
“Great Lakes Dredge & Dock (GLDD) is the largest provider of dredging services in the United States and the only U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Construtora Vale Verde S Aconstrutoravaleverde.com.brHQ: Itabira, BrazilReported employees: 1,001-5,000 | Itabira, Brazil | 1,001-5,000 | Exact match | 678 contacts → |
“A Construtora Vale Verde é uma empresa inovadora que concentra a sua expertise na atuação em soluções para construção civil pesada com serviços de dragagem convencional e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Manson Construction COmansonconstruction.comHQ: Seattle, CA, United StatesReported employees: 501-1,000 | Seattle, CA, United States | 501-1,000 | Exact match | 626 contacts → |
“Manson is one of the nation’s leading heavy civil marine construction and dredging companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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. | |||||
| 7 |  Geoquip Marinegeoquip-marine.comHQ: 9001 St. Gallen, SwitzerlandReported employees: 201-500 | 9001 St. Gallen, Switzerland | 201-500 | Exact match | 450 contacts → |
“Geoquip Marine is a geotechnical data acquisition company safely delivering offshore geotechnical site investigations and engineering services to clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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. | |||||
| 9 |  Boskalis Westminster LTDboskalis.co.ukHQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 404 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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. | |||||
| 11 |  Java Offshorejavaoffshore.comHQ: Jakarta, IndonesiaReported employees: 51-200 | Jakarta, Indonesia | 51-200 | Exact match | 374 contacts → |
“Java Offshore, established in 2010, is a leading independent Offshore Services Contractor providing a range of Geophysical, Geotechnical and Subsea related solutions to marine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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. | |||||
| 13 |  Dharti Dredging & Infrastructure LTDdharti.inHQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 214 contacts → |
“Dharti Dredging and Infrastructure Ltd, is an ISO accredited leading Indian private dredging company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Coedra Construção E Dragagemcoedra.com.brHQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 203 contacts → |
“As sólidas experiências acumuladas em anos de atuação no mercado contribuíram para o fortalecimento da empresa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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. | |||||
| 16 |  Callan Marine LTDcallanmarineltd.comHQ: Galveston, TX, United StatesReported employees: Not recorded | Galveston, TX, United States | Not recorded | Exact match | 183 contacts → |
“The Callan Marine team offers comprehensive dredging solutions for any project.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  The Dutra Groupdutragroup.comHQ: San Rafael, CA, United StatesReported employees: 201-500 | San Rafael, CA, United States | 201-500 | Exact match | 182 contacts → |
“The Dutra Group is a leading heavy civil marine contractor focused on strengthening our nation’s infrastructure through sustainable dredging and marine construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hall Contractinghallcontracting.com.auHQ: Buderim, AustraliaReported employees: 51-200 | Buderim, Australia | 51-200 | Exact match | 175 contacts → |
“Hall Contracting is Australia’s largest privately-owned dredging, civil and marine construction company with offices in South East Asia, the Pacific Islands and Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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. | |||||
| 20 |  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. | |||||
| 21 |  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. | |||||
| 22 | HQ: New Westminster, BC, CanadaReported employees: 51-200 | New Westminster, BC, Canada | 51-200 | Exact match | 135 contacts → |
“Fraser River Pile & Dredge (GP) Inc.(FRPD) was incorporated in Alberta in 2008, and is a successor company to Fraser River Pile Driving Company (founded in 1911).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  IMDCimdc.beHQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 134 contacts → |
“IMDC (International Marine and Dredging Consultants) offers highly skilled expertise to tackle a wide range of water-related issues.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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. | |||||
| 25 |  Bintang Subseabintangsubsea.comHQ: Jakarta Selatan, IndonesiaReported employees: 51-200 | Jakarta Selatan, Indonesia | 51-200 | Exact match | 132 contacts → |
“Bintang Subsea - a DeepOcean Company - is a technology-driven, independent solution provider in the ocean space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,108 company matches
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Dredging survey companies: 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
1,093 records in the displayed employee bands.
15 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 1,108 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 ↗
Dredging survey companies by location
8 lists · largest firstEvery Dredging survey companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Dredging survey companies based in the United States169
- Dredging survey companies based in the Netherlands101
- Dredging survey companies based in the United Kingdom71
- Dredging survey companies based in Brazil53
- Dredging survey companies based in India47
- Dredging survey companies based in Australia44
- Dredging survey companies based in Indonesia35
- Dredging survey companies based in France27
Questions about this company list
What does Exact match mean for dredging survey companies?
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 dredging survey companies did RevenueBase find worldwide?
The saved snapshot records 1,108 matching company records, 26,957 tracked contacts and 6,848 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 dredging survey companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/dredging-survey-companies.
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 dredging survey companies worldwide
RevenueBase records 1,108 matching company records for dredging survey companies worldwide, with 26,957 tracked contacts and 6,848 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 dredging survey companies 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 | Boskalisboskalis.com HQ: Papendrecht, NetherlandsReported employees: 10001+ | Papendrecht, Netherlands | 10001+ | Exact match | 3,564 contacts → |
“Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nmdc Dredging & Marinenmdc-dredgingmarine.com HQ: Musaffah Industrial, United Arab EmiratesReported employees: 1,001-5,000 | Musaffah Industrial, United Arab Emirates | 1,001-5,000 | Exact match | 2,439 contacts → |
“NMDC Dredging & Marine was established in 1976 as a dredging division of Abu Dhabi National Oil Company (ADNOC).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 990 contacts → |
“Great Lakes Dredge & Dock (GLDD) is the largest provider of dredging services in the United States and the only U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Construtora Vale Verde S Aconstrutoravaleverde.com.br HQ: Itabira, BrazilReported employees: 1,001-5,000 | Itabira, Brazil | 1,001-5,000 | Exact match | 678 contacts → |
“A Construtora Vale Verde é uma empresa inovadora que concentra a sua expertise na atuação em soluções para construção civil pesada com serviços de dragagem convencional e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Manson Construction COmansonconstruction.com HQ: Seattle, CA, United StatesReported employees: 501-1,000 | Seattle, CA, United States | 501-1,000 | Exact match | 626 contacts → |
“Manson is one of the nation’s leading heavy civil marine construction and dredging companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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. | |||||
| 7 | Geoquip Marinegeoquip-marine.com HQ: 9001 St. Gallen, SwitzerlandReported employees: 201-500 | 9001 St. Gallen, Switzerland | 201-500 | Exact match | 450 contacts → |
“Geoquip Marine is a geotechnical data acquisition company safely delivering offshore geotechnical site investigations and engineering services to clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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. | |||||
| 9 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 404 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | Java Offshorejavaoffshore.com HQ: Jakarta, IndonesiaReported employees: 51-200 | Jakarta, Indonesia | 51-200 | Exact match | 374 contacts → |
“Java Offshore, established in 2010, is a leading independent Offshore Services Contractor providing a range of Geophysical, Geotechnical and Subsea related solutions to marine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | Dharti Dredging & Infrastructure LTDdharti.in HQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 214 contacts → |
“Dharti Dredging and Infrastructure Ltd, is an ISO accredited leading Indian private dredging company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Coedra Construção E Dragagemcoedra.com.br HQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 203 contacts → |
“As sólidas experiências acumuladas em anos de atuação no mercado contribuíram para o fortalecimento da empresa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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. | |||||
| 16 | Callan Marine LTDcallanmarineltd.com HQ: Galveston, TX, United StatesReported employees: Not recorded | Galveston, TX, United States | Not recorded | Exact match | 183 contacts → |
“The Callan Marine team offers comprehensive dredging solutions for any project.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | The Dutra Groupdutragroup.com HQ: San Rafael, CA, United StatesReported employees: 201-500 | San Rafael, CA, United States | 201-500 | Exact match | 182 contacts → |
“The Dutra Group is a leading heavy civil marine contractor focused on strengthening our nation’s infrastructure through sustainable dredging and marine construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hall Contractinghallcontracting.com.au HQ: Buderim, AustraliaReported employees: 51-200 | Buderim, Australia | 51-200 | Exact match | 175 contacts → |
“Hall Contracting is Australia’s largest privately-owned dredging, civil and marine construction company with offices in South East Asia, the Pacific Islands and Australia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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. | |||||
| 20 | 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. | |||||
| 21 | 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. | |||||
| 22 | HQ: New Westminster, BC, CanadaReported employees: 51-200 | New Westminster, BC, Canada | 51-200 | Exact match | 135 contacts → |
“Fraser River Pile & Dredge (GP) Inc.(FRPD) was incorporated in Alberta in 2008, and is a successor company to Fraser River Pile Driving Company (founded in 1911).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | IMDCimdc.be HQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 134 contacts → |
“IMDC (International Marine and Dredging Consultants) offers highly skilled expertise to tackle a wide range of water-related issues.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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. | |||||
| 25 | Bintang Subseabintangsubsea.com HQ: Jakarta Selatan, IndonesiaReported employees: 51-200 | Jakarta Selatan, Indonesia | 51-200 | Exact match | 132 contacts → |
“Bintang Subsea - a DeepOcean Company - is a technology-driven, independent solution provider in the ocean space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,108 company matches
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Dredging survey companies: 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
1,093 records in the displayed employee bands.
15 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 1,108 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 ↗
Dredging survey companies by location
8 lists · largest firstEvery Dredging survey companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Dredging survey companies based in the United States169
- Dredging survey companies based in the Netherlands101
- Dredging survey companies based in the United Kingdom71
- Dredging survey companies based in Brazil53
- Dredging survey companies based in India47
- Dredging survey companies based in Australia44
- Dredging survey companies based in Indonesia35
- Dredging survey companies based in France27
Questions about this company list
What does Exact match mean for dredging survey companies?
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 dredging survey companies did RevenueBase find worldwide?
The saved snapshot records 1,108 matching company records, 26,957 tracked contacts and 6,848 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 dredging survey companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/dredging-survey-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗