Company lists · Data refreshed October 2026
Top 25 Waterway maintenance contractors worldwide
RevenueBase identified 613 company matches for waterway maintenance contractors worldwide as of October 2026 and tracks 25,714 professional contacts across them, including 7,912 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for waterway maintenance contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026. Country and city lists for waterway maintenance contractors 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 waterway maintenance contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,483 contacts → | ||||
Exact match “Van Oord is a leading international marine contractor focusing on dredging, infrastructure and offshore energy projects.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 3,503 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 2,382 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 966 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 863 contacts → | ||||
Exact match “Founded in 1919, Weeks Marine, Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 644 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 611 contacts → | ||||
Exact match “Manson is one of the nation’s leading heavy civil marine construction and dredging companies.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 390 contacts → | ||||
Exact match “Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 249 contacts → | ||||
Exact match “At Brennan, our people are our top priority.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 213 contacts → | ||||
Exact match “Global is a leader in the marine services industry with decades of experience managing complex, critical and technical projects in and around the water.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 205 contacts → | ||||
Exact match “Dharti Dredging and Infrastructure Ltd, is an ISO accredited leading Indian private dredging company.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 192 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 189 contacts → | ||||
Exact match “Odin Environmental Solutions, LLC (Odin) is an award-winning contractor delivering complex environmental, geotechnical, and heavy civil infrastructure projects nationwide.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 179 contacts → | ||||
Exact match “The Callan Marine team offers comprehensive dredging solutions for any project.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 177 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 163 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 163 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 162 contacts → | ||||
Exact match “For more than a century, Herbosch-Kiere has been building sustainable infrastructure in, on and around water.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 137 contacts → | ||||
Exact match “Turn Services is one of the largest independent fleeting and shifting companies in the United States.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 132 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 131 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 127 contacts → | ||||
Exact match “Cashman Dredging & Marine Contracting, LLC has undertaken some of the largest dredging projects in U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 122 contacts → | ||||
Exact match “CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 118 contacts → | ||||
Exact match “A Dratec Engenharia Ltda.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 114 contacts → | ||||
Exact match “Sinds 1962 is vandervalk+degroot uitgegroeid tot marktleider op het gebied van reiniging, inspectie en renovatie van diverse infrastructuurprojecten.” Recorded in the RevenueBase company graph · Oct 22, 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 “waterway maintenance contractors”. 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 613 waterway maintenance contractors worldwide
See the full list, filter by size, metro and specialty, and access 7,912 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Waterway maintenance contractors worldwide at a glance
As of Oct 22, 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 waterway maintenance contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “waterway maintenance contractors” 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 7,912 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 22, 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.
Waterway maintenance contractors by location
4 lists · largest firstEvery Waterway maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “waterway maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many waterway maintenance contractors are there worldwide?
RevenueBase identified 613 company matches for waterway maintenance contractors worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
VAN Oord tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most waterway maintenance contractors?
The United States leads with 200 companies, followed by the Netherlands (49) and Brazil (30). Every waterway maintenance contractors list by country and city is linked on this page.
Which city has the most waterway maintenance contractors?
Houston leads with 7 company records, followed by Charleston (4) and Miami (4).
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 7,912 professional contacts with verified work emails tracked across these 613 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 613 waterway maintenance contractors 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 waterway maintenance contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 613 matching company records for waterway maintenance contractors worldwide, with 25,714 tracked contacts and 7,912 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: October 22, 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 waterway maintenance contractors 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 | VAN Oordvanoord.com HQ: 3063 Nh, NetherlandsReported employees: 5,001-10,000 | 3063 Nh, Netherlands | 5,001-10,000 | Exact match | 4,483 contacts → |
“Van Oord is a leading international marine contractor focusing on dredging, infrastructure and offshore energy projects.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Boskalisboskalis.comHQ: Papendrecht, NetherlandsReported employees: 10001+ | Papendrecht, Netherlands | 10001+ | Exact match | 3,503 contacts → |
“Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 | 2,382 contacts → |
“NMDC Dredging & Marine was established in 1976 as a dredging division of Abu Dhabi National Oil Company (ADNOC).” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 966 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Weeks Marine, INCweeksmarine.com HQ: Cranford, NJ, United StatesReported employees: 1,001-5,000 | Cranford, NJ, United States | 1,001-5,000 | Exact match | 863 contacts → |
“Founded in 1919, Weeks Marine, Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Construtora Vale Verde S Aconstrutoravaleverde.com.brHQ: Itabira, BrazilReported employees: 1,001-5,000 | Itabira, Brazil | 1,001-5,000 | Exact match | 644 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Manson Construction COmansonconstruction.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 611 contacts → |
“Manson is one of the nation’s leading heavy civil marine construction and dredging companies.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 390 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  J.F. Brennan Companyjfbrennan.comHQ: La Crosse, WI, United StatesReported employees: 501-1,000 | La Crosse, WI, United States | 501-1,000 | Exact match | 249 contacts → |
“At Brennan, our people are our top priority.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Global Diving & Salvage, INCgdiving.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 213 contacts → |
“Global is a leader in the marine services industry with decades of experience managing complex, critical and technical projects in and around the water.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dharti Dredging & Infrastructure LTDdharti.in HQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 205 contacts → |
“Dharti Dredging and Infrastructure Ltd, is an ISO accredited leading Indian private dredging company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Coedra Construção E Dragagemcoedra.com.br HQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 192 contacts → |
“As sólidas experiências acumuladas em anos de atuação no mercado contribuíram para o fortalecimento da empresa.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ODINodinenv.comHQ: Roseville, CA, United StatesReported employees: 201-500 | Roseville, CA, United States | 201-500 | Exact match | 189 contacts → |
“Odin Environmental Solutions, LLC (Odin) is an award-winning contractor delivering complex environmental, geotechnical, and heavy civil infrastructure projects nationwide.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Callan Marine LTDcallanmarineltd.com HQ: Galveston, TX, United StatesReported employees: Not recorded | Galveston, TX, United States | Not recorded | Exact match | 179 contacts → |
“The Callan Marine team offers comprehensive dredging solutions for any project.” Recorded description excerpt · October 22, 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 | 177 contacts → |
“Baggerbedrijf De Boer - Dutch Dredging is a medium size dredging company, based in Sliedrecht in the Netherlands.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | The Dutra Groupdutragroup.com HQ: San Rafael, CA, United StatesReported employees: 201-500 | San Rafael, CA, United States | 201-500 | Exact match | 163 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hall Contractinghallcontracting.com.au HQ: Buderim, AustraliaReported employees: 51-200 | Buderim, Australia | 51-200 | Exact match | 163 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Herbosch-Kiereherbosch-kiere.beHQ: Kallo, MyanmarReported employees: 201-500 | Kallo, Myanmar | 201-500 | Exact match | 162 contacts → |
“For more than a century, Herbosch-Kiere has been building sustainable infrastructure in, on and around water.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Turn Servicesturnservices.com HQ: New Orleans, LA, United StatesReported employees: 201-500 | New Orleans, LA, United States | 201-500 | Exact match | 137 contacts → |
“Turn Services is one of the largest independent fleeting and shifting companies in the United States.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  IMDCimdc.beHQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 132 contacts → |
“IMDC (International Marine and Dredging Consultants) offers highly skilled expertise to tackle a wide range of water-related issues.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: New Westminster, BC, CanadaReported employees: 51-200 | New Westminster, BC, Canada | 51-200 | Exact match | 131 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cashman Dredging & Marine Contracting Company, LLCcashmandredging.com HQ: Quincy, MA, United StatesReported employees: 201-500 | Quincy, MA, United States | 201-500 | Exact match | 127 contacts → |
“Cashman Dredging & Marine Contracting, LLC has undertaken some of the largest dredging projects in U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CWEcwecorp.com HQ: Fullerton, CA, United StatesReported employees: 11-50 | Fullerton, CA, United States | 11-50 | Exact match | 122 contacts → |
“CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Dratec Engenhariadratecengenharia.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 118 contacts → |
“A Dratec Engenharia Ltda.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Verenigde Bedrijven Vandervalk Degroot B.Vvalkdegroot.nl HQ: Poeldijk, NetherlandsReported employees: 201-500 | Poeldijk, Netherlands | 201-500 | Exact match | 114 contacts → |
“Sinds 1962 is vandervalk+degroot uitgegroeid tot marktleider op het gebied van reiniging, inspectie en renovatie van diverse infrastructuurprojecten.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 613 company matches
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Waterway maintenance contractors: dataset insights
October 22, 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
610 records in the displayed employee bands.
3 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 613 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: October 22, 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 ↗
Waterway maintenance contractors by location
4 lists · largest firstEvery Waterway maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for waterway maintenance contractors?
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 waterway maintenance contractors did RevenueBase find worldwide?
The saved snapshot records 613 matching company records, 25,714 tracked contacts and 7,912 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: October 22, 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.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 waterway maintenance contractors worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/waterway-maintenance-contractors.
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 waterway maintenance contractors worldwide
RevenueBase records 613 matching company records for waterway maintenance contractors worldwide, with 25,714 tracked contacts and 7,912 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: October 22, 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 waterway maintenance contractors 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 | VAN Oordvanoord.com HQ: 3063 Nh, NetherlandsReported employees: 5,001-10,000 | 3063 Nh, Netherlands | 5,001-10,000 | Exact match | 4,483 contacts → |
“Van Oord is a leading international marine contractor focusing on dredging, infrastructure and offshore energy projects.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Boskalisboskalis.com HQ: Papendrecht, NetherlandsReported employees: 10001+ | Papendrecht, Netherlands | 10001+ | Exact match | 3,503 contacts → |
“Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 | 2,382 contacts → |
“NMDC Dredging & Marine was established in 1976 as a dredging division of Abu Dhabi National Oil Company (ADNOC).” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 966 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Weeks Marine, INCweeksmarine.com HQ: Cranford, NJ, United StatesReported employees: 1,001-5,000 | Cranford, NJ, United States | 1,001-5,000 | Exact match | 863 contacts → |
“Founded in 1919, Weeks Marine, Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Construtora Vale Verde S Aconstrutoravaleverde.com.br HQ: Itabira, BrazilReported employees: 1,001-5,000 | Itabira, Brazil | 1,001-5,000 | Exact match | 644 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Manson Construction COmansonconstruction.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 611 contacts → |
“Manson is one of the nation’s leading heavy civil marine construction and dredging companies.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 390 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | J.F. Brennan Companyjfbrennan.com HQ: La Crosse, WI, United StatesReported employees: 501-1,000 | La Crosse, WI, United States | 501-1,000 | Exact match | 249 contacts → |
“At Brennan, our people are our top priority.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Global Diving & Salvage, INCgdiving.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 213 contacts → |
“Global is a leader in the marine services industry with decades of experience managing complex, critical and technical projects in and around the water.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dharti Dredging & Infrastructure LTDdharti.in HQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 205 contacts → |
“Dharti Dredging and Infrastructure Ltd, is an ISO accredited leading Indian private dredging company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Coedra Construção E Dragagemcoedra.com.br HQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 192 contacts → |
“As sólidas experiências acumuladas em anos de atuação no mercado contribuíram para o fortalecimento da empresa.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ODINodinenv.com HQ: Roseville, CA, United StatesReported employees: 201-500 | Roseville, CA, United States | 201-500 | Exact match | 189 contacts → |
“Odin Environmental Solutions, LLC (Odin) is an award-winning contractor delivering complex environmental, geotechnical, and heavy civil infrastructure projects nationwide.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Callan Marine LTDcallanmarineltd.com HQ: Galveston, TX, United StatesReported employees: Not recorded | Galveston, TX, United States | Not recorded | Exact match | 179 contacts → |
“The Callan Marine team offers comprehensive dredging solutions for any project.” Recorded description excerpt · October 22, 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 | 177 contacts → |
“Baggerbedrijf De Boer - Dutch Dredging is a medium size dredging company, based in Sliedrecht in the Netherlands.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | The Dutra Groupdutragroup.com HQ: San Rafael, CA, United StatesReported employees: 201-500 | San Rafael, CA, United States | 201-500 | Exact match | 163 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hall Contractinghallcontracting.com.au HQ: Buderim, AustraliaReported employees: 51-200 | Buderim, Australia | 51-200 | Exact match | 163 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Herbosch-Kiereherbosch-kiere.be HQ: Kallo, MyanmarReported employees: 201-500 | Kallo, Myanmar | 201-500 | Exact match | 162 contacts → |
“For more than a century, Herbosch-Kiere has been building sustainable infrastructure in, on and around water.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Turn Servicesturnservices.com HQ: New Orleans, LA, United StatesReported employees: 201-500 | New Orleans, LA, United States | 201-500 | Exact match | 137 contacts → |
“Turn Services is one of the largest independent fleeting and shifting companies in the United States.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | IMDCimdc.be HQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 132 contacts → |
“IMDC (International Marine and Dredging Consultants) offers highly skilled expertise to tackle a wide range of water-related issues.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: New Westminster, BC, CanadaReported employees: 51-200 | New Westminster, BC, Canada | 51-200 | Exact match | 131 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cashman Dredging & Marine Contracting Company, LLCcashmandredging.com HQ: Quincy, MA, United StatesReported employees: 201-500 | Quincy, MA, United States | 201-500 | Exact match | 127 contacts → |
“Cashman Dredging & Marine Contracting, LLC has undertaken some of the largest dredging projects in U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CWEcwecorp.com HQ: Fullerton, CA, United StatesReported employees: 11-50 | Fullerton, CA, United States | 11-50 | Exact match | 122 contacts → |
“CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Dratec Engenhariadratecengenharia.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 118 contacts → |
“A Dratec Engenharia Ltda.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Verenigde Bedrijven Vandervalk Degroot B.Vvalkdegroot.nl HQ: Poeldijk, NetherlandsReported employees: 201-500 | Poeldijk, Netherlands | 201-500 | Exact match | 114 contacts → |
“Sinds 1962 is vandervalk+degroot uitgegroeid tot marktleider op het gebied van reiniging, inspectie en renovatie van diverse infrastructuurprojecten.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 613 company matches
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Waterway maintenance contractors: dataset insights
October 22, 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
610 records in the displayed employee bands.
3 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 613 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: October 22, 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 ↗
Waterway maintenance contractors by location
4 lists · largest firstEvery Waterway maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for waterway maintenance contractors?
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 waterway maintenance contractors did RevenueBase find worldwide?
The saved snapshot records 613 matching company records, 25,714 tracked contacts and 7,912 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: October 22, 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.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 waterway maintenance contractors worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/waterway-maintenance-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗