Company lists · Data refreshed September 2026
Top 25 Private maritime contractors based in the United States
RevenueBase identified 72 company matches for private maritime contractors associated with the United States as of September 2026 and tracks 2,479 professional contacts across them, including 460 with verified work emails. Chesapeake is the largest hub.
This list covers company matches for private maritime 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 September 17, 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 private maritime contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 484 contacts → | ||||
Exact match “American Guard Services is an established, reliable and accredited security protection firm.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 2 | 277 contacts → | ||||
Exact match “Resolve Marine, a global leader in vessel salvage, emergency response, compliance and specialized marine services, has served and supported clients and projects for 40 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 3 | 226 contacts → | ||||
Exact match “Founded in 2002 by former military and business leaders, VectorCSP planted its roots in northeastern North Carolina.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 4 | 173 contacts → | ||||
Exact match “Prism Maritime LLC is a business incorporated within the state of Virginia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 5 | 138 contacts → | ||||
Exact match “Patriot Maritime is a leading maritime contractor to the U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 6 | 116 contacts → | ||||
Exact match “MSCorp is a privately held Small Business specializing in marine engineering, design, logistical, planning & maintenance support, and computer oriented support to the United…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 7 | 80 contacts → | ||||
Exact match “DPS Certificate of Private Security License Number B00257 Whether you own or operate a business, securing and protecting your assets against theft and vandalism is a vital part of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 8 | 65 contacts → | ||||
Exact match “Maritime Security Services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 9 | 60 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “Six Maritime is a service disabled, veteran-owned maritime security and training company specializing in advanced waterfront protection, autonomous systems integration, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 11 | 35 contacts → | ||||
Exact match “Westar Marine Services has been catering to the San Francisco Maritime Community since it was founded in 1976.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 12 | 31 contacts → | ||||
Exact match “Fathom Resources (Fathom), is a marine service provider established in 2002 with offices located in New Bedford, Massachusetts and Middletown, Rhode Island.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 13 | 21 contacts → | ||||
Exact match “Mid-Gulf Shipping Company Inc.(The Midship Group) provides tested logistical support to Maritime and Oil & Gas Clients across all US Gulf ports- Oil & Gas Project/Logistics…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Established in 1995, Nord-Sud Shipping is a family owned vessel agency located at Mile 147 of the Mississippi River at Grandview Anchorage.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 15 | 16 contacts → | ||||
Exact match “In 2009, Meridian.us was formed to provide a cost-effective solution to combating piracy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 16 | 16 contacts → | ||||
Exact match “Since March of 2011, Seaguard Security LLC (SGS) has specialized in providing affordable armed security solutions for vessels operating in high-risk waters including the Gulf of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 18 | 14 contacts → | ||||
Exact match “Maritime Specialty Contractor” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “OUR COMMITMENT TO OUR CUSTOMERS Seamar aspires to deliver a safe and efficient marine service to our customers, year in and year out.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 20 | 12 contacts → | ||||
Exact match “Provides innovative solutions to meet unique maritime logistics and operating challenges as part of BlackSea Technologies Mission Solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “Global Seas charter marine vessels from 26’ to 231’, fully crewed, for short or long term missions, expeditions or oceanic operations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Bulbous is a leading Marine Agency, Consulting, Environmental and Logistics company that provides a full spectrum of services across the USA.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Isla Maritime specializes in marine salvage, commercial diving, naval architecture, abandoned/derelict vessel removal, and consulting.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Established in 2012, Oshirak Group International (OGI) provides integrated maritime security training, assessment, investigation and cyber services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Ocean County Engineering and Applied Nautical Services (OCEANS LLC) is a Florida based company that offers a diverse array of knowledge, skills and experience from recognized…” Recorded in the RevenueBase company graph · Sep 17, 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 “private maritime 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 72 private maritime contractors based in the United States
See the full list, filter by size, metro and specialty, and access 460 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Private maritime contractors based in the United States at a glance
As of Sep 17, 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 72 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 “private maritime 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 460 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 September 17, 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 “private maritime contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many private maritime contractors are there based in the United States?
RevenueBase identified 72 company matches for private maritime contractors associated with the United States as of September 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?
American Guard Services, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most private maritime contractors?
Chesapeake leads with 4 company records, followed by Miami (4) and Jacksonville (3).
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 460 professional contacts with verified work emails tracked across these 72 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 September 17, 2026.
Ready to reach these companies? Verified emails and direct dials for all 72 private maritime contractors based in the United States. Start with a free account, no credit card.
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Private maritime contractors by geography
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
- Private maritime contractors based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 private maritime 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 72 matching company records for private maritime contractors based in the United States, with 2,479 tracked contacts and 460 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: September 17, 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 private maritime 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 |  American Guard Services, INCamericanguardservices.comHQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 484 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Resolve Marineresolvemarine.comHQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 277 contacts → |
“Resolve Marine, a global leader in vessel salvage, emergency response, compliance and specialized marine services, has served and supported clients and projects for 40 years.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vectorcspvectorcsp.com HQ: Elizabeth City, NC, United StatesReported employees: 201-500 | Elizabeth City, NC, United States | 201-500 | Exact match | 226 contacts → |
“Founded in 2002 by former military and business leaders, VectorCSP planted its roots in northeastern North Carolina.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Prism Maritime LLCprismmaritime.com HQ: Chesapeake, VA, United StatesReported employees: 201-500 | Chesapeake, VA, United States | 201-500 | Exact match | 173 contacts → |
“Prism Maritime LLC is a business incorporated within the state of Virginia.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Patriot Maritimepatriotships.comHQ: Concord, CA, United StatesReported employees: 11-50 | Concord, CA, United States | 11-50 | Exact match | 138 contacts → |
“Patriot Maritime is a leading maritime contractor to the U.S.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Marine Systems Corporation Mscorpmscorp.netHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 116 contacts → |
“MSCorp is a privately held Small Business specializing in marine engineering, design, logistical, planning & maintenance support, and computer oriented support to the United…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Danner's Incorporateddanners.comHQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 80 contacts → |
“DPS Certificate of Private Security License Number B00257 Whether you own or operate a business, securing and protecting your assets against theft and vandalism is a vital part of…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Trident Group America, INCgotridentgroup.comHQ: Fort Walton Beach, VA, United StatesReported employees: 51-200 | Fort Walton Beach, VA, United States | 51-200 | Exact match | 65 contacts → |
“Maritime Security Services.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Metson Marine Services, INCmetsonmarine.com HQ: Ventura, CA, United StatesReported employees: 51-200 | Ventura, CA, United States | 51-200 | Exact match | 60 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  SIX Maritimesixmaritime.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 40 contacts → |
“Six Maritime is a service disabled, veteran-owned maritime security and training company specializing in advanced waterfront protection, autonomous systems integration, and…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Westar Marine Serviceswestarmarineservices.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 35 contacts → |
“Westar Marine Services has been catering to the San Francisco Maritime Community since it was founded in 1976.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Fathom Resources LLCfathomresources.comHQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 31 contacts → |
“Fathom Resources (Fathom), is a marine service provider established in 2002 with offices located in New Bedford, Massachusetts and Middletown, Rhode Island.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mid-Gulf Shipping CO INCmidship.net HQ: Slidell, LA, United StatesReported employees: 11-50 | Slidell, LA, United States | 11-50 | Exact match | 21 contacts → |
“Mid-Gulf Shipping Company Inc.(The Midship Group) provides tested logistical support to Maritime and Oil & Gas Clients across all US Gulf ports- Oil & Gas Project/Logistics…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nord-Sud Shipping, INCnordsudshipping.com HQ: Lutcher, United StatesReported employees: 11-50 | Lutcher, United States | 11-50 | Exact match | 16 contacts → |
“Established in 1995, Nord-Sud Shipping is a family owned vessel agency located at Mile 147 of the Mississippi River at Grandview Anchorage.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  meridian.usmeridian.usHQ: Mobile, AL, United StatesReported employees: 51-200 | Mobile, AL, United States | 51-200 | Exact match | 16 contacts → |
“In 2009, Meridian.us was formed to provide a cost-effective solution to combating piracy.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Seaguard Securityseaguardsecurity.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 16 contacts → |
“Since March of 2011, Seaguard Security LLC (SGS) has specialized in providing affordable armed security solutions for vessels operating in high-risk waters including the Gulf of…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nielsen Beaumont Marine, INCnielsenbeaumont.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | White Water Contractors, INCwhitewatercontractors.com HQ: Pierre Part, LA, United StatesReported employees: 11-50 | Pierre Part, LA, United States | 11-50 | Exact match | 14 contacts → |
“Maritime Specialty Contractor” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Seamar LLCseamarllc.comHQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 13 contacts → |
“OUR COMMITMENT TO OUR CUSTOMERS Seamar aspires to deliver a safe and efficient marine service to our customers, year in and year out.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Blue Tide Marineblacksea.techHQ: Fort Lauderdale, VA, United StatesReported employees: 11-50 | Fort Lauderdale, VA, United States | 11-50 | Exact match | 12 contacts → |
“Provides innovative solutions to meet unique maritime logistics and operating challenges as part of BlackSea Technologies Mission Solutions.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Global Seasglobalseas.comHQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 9 contacts → |
“Global Seas charter marine vessels from 26’ to 231’, fully crewed, for short or long term missions, expeditions or oceanic operations.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bulbous Environmental & Logistics INCbulboususa.com HQ: Kenner, LA, United StatesReported employees: 11-50 | Kenner, LA, United States | 11-50 | Exact match | 7 contacts → |
“Bulbous is a leading Marine Agency, Consulting, Environmental and Logistics company that provides a full spectrum of services across the USA.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Isla Maritimeislamaritime.com HQ: Tampa, SC, United StatesReported employees: 51-200 | Tampa, SC, United States | 51-200 | Exact match | 4 contacts → |
“Isla Maritime specializes in marine salvage, commercial diving, naval architecture, abandoned/derelict vessel removal, and consulting.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Oshirak Group Internationaloshirak.comHQ: Mclean, VA, United StatesReported employees: 1-10 | Mclean, VA, United States | 1-10 | Exact match | 4 contacts → |
“Established in 2012, Oshirak Group International (OGI) provides integrated maritime security training, assessment, investigation and cyber services.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ocean County Engineering & Applied Nautical Servicesoceansllc.comHQ: Jacksonville, FL, United StatesReported employees: 1-10 | Jacksonville, FL, United States | 1-10 | Exact match | 3 contacts → |
“Ocean County Engineering and Applied Nautical Services (OCEANS LLC) is a Florida based company that offers a diverse array of knowledge, skills and experience from recognized…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 72 company matches
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Private maritime contractors: dataset insights
September 17, 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
71 records in the displayed employee bands.
1 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 72 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: September 17, 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 private maritime 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 private maritime contractors did RevenueBase find based in the United States?
The saved snapshot records 72 matching company records, 2,479 tracked contacts and 460 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: September 17, 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
Private maritime contractors by geography
Cite this list
RevenueBase Data Team. Top 25 private maritime contractors based in the United States. Snapshot: September 17, 2026. https://revenuebase.ai/companies/private-maritime-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
- Private maritime contractors based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 private maritime contractors based in the United States
RevenueBase records 72 matching company records for private maritime contractors based in the United States, with 2,479 tracked contacts and 460 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: September 17, 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 private maritime 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 | American Guard Services, INCamericanguardservices.com HQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 484 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Resolve Marineresolvemarine.com HQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 277 contacts → |
“Resolve Marine, a global leader in vessel salvage, emergency response, compliance and specialized marine services, has served and supported clients and projects for 40 years.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vectorcspvectorcsp.com HQ: Elizabeth City, NC, United StatesReported employees: 201-500 | Elizabeth City, NC, United States | 201-500 | Exact match | 226 contacts → |
“Founded in 2002 by former military and business leaders, VectorCSP planted its roots in northeastern North Carolina.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Prism Maritime LLCprismmaritime.com HQ: Chesapeake, VA, United StatesReported employees: 201-500 | Chesapeake, VA, United States | 201-500 | Exact match | 173 contacts → |
“Prism Maritime LLC is a business incorporated within the state of Virginia.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Patriot Maritimepatriotships.com HQ: Concord, CA, United StatesReported employees: 11-50 | Concord, CA, United States | 11-50 | Exact match | 138 contacts → |
“Patriot Maritime is a leading maritime contractor to the U.S.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Marine Systems Corporation Mscorpmscorp.net HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 116 contacts → |
“MSCorp is a privately held Small Business specializing in marine engineering, design, logistical, planning & maintenance support, and computer oriented support to the United…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Danner's Incorporateddanners.com HQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 80 contacts → |
“DPS Certificate of Private Security License Number B00257 Whether you own or operate a business, securing and protecting your assets against theft and vandalism is a vital part of…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Trident Group America, INCgotridentgroup.com HQ: Fort Walton Beach, VA, United StatesReported employees: 51-200 | Fort Walton Beach, VA, United States | 51-200 | Exact match | 65 contacts → |
“Maritime Security Services.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Metson Marine Services, INCmetsonmarine.com HQ: Ventura, CA, United StatesReported employees: 51-200 | Ventura, CA, United States | 51-200 | Exact match | 60 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | SIX Maritimesixmaritime.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 40 contacts → |
“Six Maritime is a service disabled, veteran-owned maritime security and training company specializing in advanced waterfront protection, autonomous systems integration, and…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Westar Marine Serviceswestarmarineservices.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 35 contacts → |
“Westar Marine Services has been catering to the San Francisco Maritime Community since it was founded in 1976.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fathom Resources LLCfathomresources.com HQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 31 contacts → |
“Fathom Resources (Fathom), is a marine service provider established in 2002 with offices located in New Bedford, Massachusetts and Middletown, Rhode Island.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mid-Gulf Shipping CO INCmidship.net HQ: Slidell, LA, United StatesReported employees: 11-50 | Slidell, LA, United States | 11-50 | Exact match | 21 contacts → |
“Mid-Gulf Shipping Company Inc.(The Midship Group) provides tested logistical support to Maritime and Oil & Gas Clients across all US Gulf ports- Oil & Gas Project/Logistics…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nord-Sud Shipping, INCnordsudshipping.com HQ: Lutcher, United StatesReported employees: 11-50 | Lutcher, United States | 11-50 | Exact match | 16 contacts → |
“Established in 1995, Nord-Sud Shipping is a family owned vessel agency located at Mile 147 of the Mississippi River at Grandview Anchorage.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | meridian.usmeridian.us HQ: Mobile, AL, United StatesReported employees: 51-200 | Mobile, AL, United States | 51-200 | Exact match | 16 contacts → |
“In 2009, Meridian.us was formed to provide a cost-effective solution to combating piracy.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Seaguard Securityseaguardsecurity.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 16 contacts → |
“Since March of 2011, Seaguard Security LLC (SGS) has specialized in providing affordable armed security solutions for vessels operating in high-risk waters including the Gulf of…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nielsen Beaumont Marine, INCnielsenbeaumont.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | White Water Contractors, INCwhitewatercontractors.com HQ: Pierre Part, LA, United StatesReported employees: 11-50 | Pierre Part, LA, United States | 11-50 | Exact match | 14 contacts → |
“Maritime Specialty Contractor” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Seamar LLCseamarllc.com HQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 13 contacts → |
“OUR COMMITMENT TO OUR CUSTOMERS Seamar aspires to deliver a safe and efficient marine service to our customers, year in and year out.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Blue Tide Marineblacksea.tech HQ: Fort Lauderdale, VA, United StatesReported employees: 11-50 | Fort Lauderdale, VA, United States | 11-50 | Exact match | 12 contacts → |
“Provides innovative solutions to meet unique maritime logistics and operating challenges as part of BlackSea Technologies Mission Solutions.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Global Seasglobalseas.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 9 contacts → |
“Global Seas charter marine vessels from 26’ to 231’, fully crewed, for short or long term missions, expeditions or oceanic operations.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bulbous Environmental & Logistics INCbulboususa.com HQ: Kenner, LA, United StatesReported employees: 11-50 | Kenner, LA, United States | 11-50 | Exact match | 7 contacts → |
“Bulbous is a leading Marine Agency, Consulting, Environmental and Logistics company that provides a full spectrum of services across the USA.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Isla Maritimeislamaritime.com HQ: Tampa, SC, United StatesReported employees: 51-200 | Tampa, SC, United States | 51-200 | Exact match | 4 contacts → |
“Isla Maritime specializes in marine salvage, commercial diving, naval architecture, abandoned/derelict vessel removal, and consulting.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Oshirak Group Internationaloshirak.com HQ: Mclean, VA, United StatesReported employees: 1-10 | Mclean, VA, United States | 1-10 | Exact match | 4 contacts → |
“Established in 2012, Oshirak Group International (OGI) provides integrated maritime security training, assessment, investigation and cyber services.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ocean County Engineering & Applied Nautical Servicesoceansllc.com HQ: Jacksonville, FL, United StatesReported employees: 1-10 | Jacksonville, FL, United States | 1-10 | Exact match | 3 contacts → |
“Ocean County Engineering and Applied Nautical Services (OCEANS LLC) is a Florida based company that offers a diverse array of knowledge, skills and experience from recognized…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 72 company matches
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Private maritime contractors: dataset insights
September 17, 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
71 records in the displayed employee bands.
1 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 72 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: September 17, 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 private maritime 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 private maritime contractors did RevenueBase find based in the United States?
The saved snapshot records 72 matching company records, 2,479 tracked contacts and 460 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: September 17, 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
Private maritime contractors by geography
Cite this list
RevenueBase Data Team. Top 25 private maritime contractors based in the United States. Snapshot: September 17, 2026. https://revenuebase.ai/companies/private-maritime-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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