Company lists · Data refreshed October 2026
Top 25 Harbor deepening contractors based in the United States
RevenueBase identified 263 company matches for harbor deepening contractors associated with the United States as of October 2026 and tracks 7,881 professional contacts across them, including 2,229 with verified work emails. Houston is the largest hub.
This list covers company matches for harbor deepening contractors associated with the United States, 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 13, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest harbor deepening contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 13, 2026 · View company records in RevenueBase | |||||
| 2 | 863 contacts → | ||||
Exact match “Founded in 1919, Weeks Marine, Inc.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 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 13, 2026 · View company records in RevenueBase | |||||
| 4 | 249 contacts → | ||||
Exact match “At Brennan, our people are our top priority.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 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 13, 2026 · View company records in RevenueBase | |||||
| 6 | 179 contacts → | ||||
Exact match “The Callan Marine team offers comprehensive dredging solutions for any project.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 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 13, 2026 · View company records in RevenueBase | |||||
| 8 | 159 contacts → | ||||
Exact match “Bellingham Marine is an established leader in the marine construction world.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 140 contacts → | ||||
Exact match “Russell Marine LLC is a heavy civil marine construction company located in Channelview, Texas.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 134 contacts → | ||||
Exact match “Cashman is a privately held multi-disciplinary construction and development company, founded and owned by Jay M.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 132 contacts → | ||||
Exact match “SUS specializes in underwater marine construction including bridges, dams, pipelines, intakes, outfalls, inspection services, piers and wharfs and other public safety and local…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 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 13, 2026 · View company records in RevenueBase | |||||
| 13 | 112 contacts → | ||||
Exact match “The Charter Companies are a premier New England environmental firm delivering vision, clarity, certainty, and closure for complex, environmentally impaired sites, both on land and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 112 contacts → | ||||
Exact match “Solutions Above & Below the Waterline, Since 1949: Commercial Diving | Marine Construction | Crane Rental & Rigging Maritime Energy Utility Construction Ship Repair Engineering…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 112 contacts → | ||||
Exact match “Pacific Pile & Marine (PPM) is a heavy civil and marine general contractor.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 104 contacts → | ||||
Exact match “DSC Dredge LLC, a world’s leader in portable dredges, manufactures cutter suction dredges of all sizes and applications.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 87 contacts → | ||||
Exact match “Northern Construction Service, LLC is a New England-based general contractor specializing in bridge construction, civil site development, marine infrastructure (ports and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 82 contacts → | ||||
Exact match “Family owned and operated, Mike Hooks, LLC was founded in 1945 and incorporated in 1957.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 81 contacts → | ||||
Exact match “Based in Grove City, Ohio, C.J.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 80 contacts → | ||||
Exact match “Pine Bluff Sand & Gravel Company is a diversified aggregate and marine construction company with operations in rip rap, crushed stone, sand mining, hot-mix asphalt, ready-mix…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 80 contacts → | ||||
Exact match “Gahagan & Bryant Associates, Inc.(GBA) is a unique engineering firm that specializes in providing consulting and engineering services for a variety of projects, including port…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 76 contacts → | ||||
Exact match “Ellicott Dredges engineers and manufactures innovative dredges and dredging equipment, which are being used for infrastructure projects worldwide.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 66 contacts → | ||||
Exact match “Power Engineering Construction Company is a California corporation that opened for business in 1986 specifically to address the needs of owners and engineers faced with difficult…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 59 contacts → | ||||
Exact match “Built for tide & time since 1946.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 55 contacts → | ||||
Exact match “Pacific Maritime Group, Inc.(PMG) is a full-service marine contractor with the largest barge fleet on the U.S.” Recorded in the RevenueBase company graph · Oct 13, 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 “harbor deepening 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 263 harbor deepening contractors based in the United States
See the full list, filter by size, metro and specialty, and access 2,229 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Harbor deepening contractors based in the United States at a glance
As of Oct 13, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 263 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “harbor deepening 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,229 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 13, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “harbor deepening contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many harbor deepening contractors are there based in the United States?
RevenueBase identified 263 company matches for harbor deepening contractors associated with the United States 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?
Great Lakes Dredge & Dock Company, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most harbor deepening contractors?
Houston leads with 12 company records, followed by Charleston (7) and Seattle (7).
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 2,229 professional contacts with verified work emails tracked across these 263 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 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 263 harbor deepening contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Harbor deepening contractors by geography
- Harbor deepening contractors based in Australia
- Harbor deepening contractors based in Brazil
- Harbor deepening contractors based in Canada
- Harbor deepening contractors based in India
- Harbor deepening contractors based in Italy
- Harbor deepening contractors based in the Netherlands
- Harbor deepening contractors based in the United Kingdom
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Harbor deepening contractors based in Australia
- Harbor deepening contractors based in Brazil
- Harbor deepening contractors based in Canada
- Harbor deepening contractors based in India
- Harbor deepening contractors based in Italy
- Harbor deepening contractors based in the Netherlands
Company intelligence · public preview
Top 25 harbor deepening contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 263 matching company records for harbor deepening contractors based in the United States, with 7,881 tracked contacts and 2,229 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 13, 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 harbor deepening contractors based in the United States
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 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bellingham Marinebellingham-marine.comHQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 159 contacts → |
“Bellingham Marine is an established leader in the marine construction world.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Russell Marine LLCrussellmarinellc.com HQ: Channelview, TX, United StatesReported employees: 201-500 | Channelview, TX, United States | 201-500 | Exact match | 140 contacts → |
“Russell Marine LLC is a heavy civil marine construction company located in Channelview, Texas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  JAY Cashman, INCjaycashman.comHQ: Quincy, MA, United StatesReported employees: 201-500 | Quincy, MA, United States | 201-500 | Exact match | 134 contacts → |
“Cashman is a privately held multi-disciplinary construction and development company, founded and owned by Jay M.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SUSsusdivers.comHQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 132 contacts → |
“SUS specializes in underwater marine construction including bridges, dams, pipelines, intakes, outfalls, inspection services, piers and wharfs and other public safety and local…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Chartercharter.usHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 112 contacts → |
“The Charter Companies are a premier New England environmental firm delivering vision, clarity, certainty, and closure for complex, environmentally impaired sites, both on land and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Croftoncrofton.comHQ: Portsmouth, VA, United StatesReported employees: 51-200 | Portsmouth, VA, United States | 51-200 | Exact match | 112 contacts → |
“Solutions Above & Below the Waterline, Since 1949: Commercial Diving | Marine Construction | Crane Rental & Rigging Maritime Energy Utility Construction Ship Repair Engineering…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pacific Pile & Marinepacificpile.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 112 contacts → |
“Pacific Pile & Marine (PPM) is a heavy civil and marine general contractor.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DSC Dredge, LLCdscdredge.com HQ: Reserve, LA, United StatesReported employees: 51-200 | Reserve, LA, United States | 51-200 | Exact match | 104 contacts → |
“DSC Dredge LLC, a world’s leader in portable dredges, manufactures cutter suction dredges of all sizes and applications.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Northern Construction Service, LLCnorthernconstruction.com HQ: Sudbury, MA, United StatesReported employees: 501-1,000 | Sudbury, MA, United States | 501-1,000 | Exact match | 87 contacts → |
“Northern Construction Service, LLC is a New England-based general contractor specializing in bridge construction, civil site development, marine infrastructure (ports and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mike Hooks, LLCmikehooks.com HQ: Westlake, LA, United StatesReported employees: 201-500 | Westlake, LA, United States | 201-500 | Exact match | 82 contacts → |
“Family owned and operated, Mike Hooks, LLC was founded in 1945 and incorporated in 1957.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | C.J. Mahan Construction Company, LLCcjmahan.com HQ: Grove City, OH, United StatesReported employees: 51-200 | Grove City, OH, United States | 51-200 | Exact match | 81 contacts → |
“Based in Grove City, Ohio, C.J.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Pine Bluff Sand & Gravel COpbsgc.com HQ: Little Rock, United StatesReported employees: 501-1,000 | Little Rock, United States | 501-1,000 | Exact match | 80 contacts → |
“Pine Bluff Sand & Gravel Company is a diversified aggregate and marine construction company with operations in rip rap, crushed stone, sand mining, hot-mix asphalt, ready-mix…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Gahagan And Bryant Associates, INCgba-inc.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 80 contacts → |
“Gahagan & Bryant Associates, Inc.(GBA) is a unique engineering firm that specializes in providing consulting and engineering services for a variety of projects, including port…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ellicott Dredgesdredge.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 76 contacts → |
“Ellicott Dredges engineers and manufactures innovative dredges and dredging equipment, which are being used for infrastructure projects worldwide.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Power Engineering Construction COpowerengconstruction.com HQ: Alameda, CA, United StatesReported employees: 51-200 | Alameda, CA, United States | 51-200 | Exact match | 66 contacts → |
“Power Engineering Construction Company is a California corporation that opened for business in 1986 specifically to address the needs of owners and engineers faced with difficult…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | W.F. Magann Corporationwfmagann.com HQ: Portsmouth, VA, United StatesReported employees: 51-200 | Portsmouth, VA, United States | 51-200 | Exact match | 59 contacts → |
“Built for tide & time since 1946.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pacific Maritime Group, INCpacificmaritimegroup.com HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 55 contacts → |
“Pacific Maritime Group, Inc.(PMG) is a full-service marine contractor with the largest barge fleet on the U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 263 company matches
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Harbor deepening contractors: dataset insights
October 13, 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
261 records in the displayed employee bands.
2 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 263 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 13, 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 ↗
Questions about this company list
What does Exact match mean for harbor deepening 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 harbor deepening contractors did RevenueBase find based in the United States?
The saved snapshot records 263 matching company records, 7,881 tracked contacts and 2,229 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 13, 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
Harbor deepening contractors by geography
- Harbor deepening contractors based in Australia
- Harbor deepening contractors based in Brazil
- Harbor deepening contractors based in Canada
- Harbor deepening contractors based in India
- Harbor deepening contractors based in Italy
- Harbor deepening contractors based in the Netherlands
- Harbor deepening contractors based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 harbor deepening contractors based in the United States. Snapshot: October 13, 2026. https://revenuebase.ai/companies/harbor-deepening-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Harbor deepening contractors based in Australia
- Harbor deepening contractors based in Brazil
- Harbor deepening contractors based in Canada
- Harbor deepening contractors based in India
- Harbor deepening contractors based in Italy
- Harbor deepening contractors based in the Netherlands
Company intelligence · public preview
Top 25 harbor deepening contractors based in the United States
RevenueBase records 263 matching company records for harbor deepening contractors based in the United States, with 7,881 tracked contacts and 2,229 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 13, 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 harbor deepening contractors based in the United States
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 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bellingham Marinebellingham-marine.com HQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 159 contacts → |
“Bellingham Marine is an established leader in the marine construction world.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Russell Marine LLCrussellmarinellc.com HQ: Channelview, TX, United StatesReported employees: 201-500 | Channelview, TX, United States | 201-500 | Exact match | 140 contacts → |
“Russell Marine LLC is a heavy civil marine construction company located in Channelview, Texas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | JAY Cashman, INCjaycashman.com HQ: Quincy, MA, United StatesReported employees: 201-500 | Quincy, MA, United States | 201-500 | Exact match | 134 contacts → |
“Cashman is a privately held multi-disciplinary construction and development company, founded and owned by Jay M.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SUSsusdivers.com HQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 132 contacts → |
“SUS specializes in underwater marine construction including bridges, dams, pipelines, intakes, outfalls, inspection services, piers and wharfs and other public safety and local…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Chartercharter.us HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 112 contacts → |
“The Charter Companies are a premier New England environmental firm delivering vision, clarity, certainty, and closure for complex, environmentally impaired sites, both on land and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Croftoncrofton.com HQ: Portsmouth, VA, United StatesReported employees: 51-200 | Portsmouth, VA, United States | 51-200 | Exact match | 112 contacts → |
“Solutions Above & Below the Waterline, Since 1949: Commercial Diving | Marine Construction | Crane Rental & Rigging Maritime Energy Utility Construction Ship Repair Engineering…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pacific Pile & Marinepacificpile.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 112 contacts → |
“Pacific Pile & Marine (PPM) is a heavy civil and marine general contractor.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DSC Dredge, LLCdscdredge.com HQ: Reserve, LA, United StatesReported employees: 51-200 | Reserve, LA, United States | 51-200 | Exact match | 104 contacts → |
“DSC Dredge LLC, a world’s leader in portable dredges, manufactures cutter suction dredges of all sizes and applications.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Northern Construction Service, LLCnorthernconstruction.com HQ: Sudbury, MA, United StatesReported employees: 501-1,000 | Sudbury, MA, United States | 501-1,000 | Exact match | 87 contacts → |
“Northern Construction Service, LLC is a New England-based general contractor specializing in bridge construction, civil site development, marine infrastructure (ports and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mike Hooks, LLCmikehooks.com HQ: Westlake, LA, United StatesReported employees: 201-500 | Westlake, LA, United States | 201-500 | Exact match | 82 contacts → |
“Family owned and operated, Mike Hooks, LLC was founded in 1945 and incorporated in 1957.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | C.J. Mahan Construction Company, LLCcjmahan.com HQ: Grove City, OH, United StatesReported employees: 51-200 | Grove City, OH, United States | 51-200 | Exact match | 81 contacts → |
“Based in Grove City, Ohio, C.J.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Pine Bluff Sand & Gravel COpbsgc.com HQ: Little Rock, United StatesReported employees: 501-1,000 | Little Rock, United States | 501-1,000 | Exact match | 80 contacts → |
“Pine Bluff Sand & Gravel Company is a diversified aggregate and marine construction company with operations in rip rap, crushed stone, sand mining, hot-mix asphalt, ready-mix…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gahagan And Bryant Associates, INCgba-inc.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 80 contacts → |
“Gahagan & Bryant Associates, Inc.(GBA) is a unique engineering firm that specializes in providing consulting and engineering services for a variety of projects, including port…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ellicott Dredgesdredge.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 76 contacts → |
“Ellicott Dredges engineers and manufactures innovative dredges and dredging equipment, which are being used for infrastructure projects worldwide.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Power Engineering Construction COpowerengconstruction.com HQ: Alameda, CA, United StatesReported employees: 51-200 | Alameda, CA, United States | 51-200 | Exact match | 66 contacts → |
“Power Engineering Construction Company is a California corporation that opened for business in 1986 specifically to address the needs of owners and engineers faced with difficult…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | W.F. Magann Corporationwfmagann.com HQ: Portsmouth, VA, United StatesReported employees: 51-200 | Portsmouth, VA, United States | 51-200 | Exact match | 59 contacts → |
“Built for tide & time since 1946.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pacific Maritime Group, INCpacificmaritimegroup.com HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 55 contacts → |
“Pacific Maritime Group, Inc.(PMG) is a full-service marine contractor with the largest barge fleet on the U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 263 company matches
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Harbor deepening contractors: dataset insights
October 13, 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
261 records in the displayed employee bands.
2 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 263 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 13, 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 ↗
Questions about this company list
What does Exact match mean for harbor deepening 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 harbor deepening contractors did RevenueBase find based in the United States?
The saved snapshot records 263 matching company records, 7,881 tracked contacts and 2,229 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 13, 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 harbor deepening contractors based in the United States. Snapshot: October 13, 2026. https://revenuebase.ai/companies/harbor-deepening-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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