Company lists · Data refreshed September 2026
Top 17 Submarine builders based in the United States
RevenueBase identified 51 company matches for submarine builders associated with the United States as of September 2026 and tracks 27,990 professional contacts across them, including 879 with verified work emails. Groton is the largest hub.
This list covers company matches for submarine builders 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 22, 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 17 largest submarine builders based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 8,318 contacts → | ||||
Exact match “General Dynamics Electric Boat is a business unit of General Dynamics with headquarters in Groton, CT.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 7,430 contacts → | ||||
Exact match “For 137 years, the ships built at Newport News Shipbuilding, like the American shipbuilders who built them, have served our nation in peace and war, in times of adversity and in…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 486 contacts → | ||||
Exact match “Trusted U.S.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 317 contacts → | ||||
Exact match “Eastern Shipbuilding Group, Inc.(ESG) is an American owned and operated shipbuilder with three shipyards on the Florida Gulf Coast.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 284 contacts → | ||||
Exact match “Quod Erat Demonstrandum (QED) – “That which has been demonstrated or proven” – QED Systems Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 107 contacts → | ||||
Exact match “Swiftships is an ISO 9001 certified, USA shipbuilder, and global defense contractor which offers end-to-end engineering, shipbuilding, testing, and delivery services for new…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 69 contacts → | ||||
Exact match “Nichols Brothers Boat Builders is the Northwest's premiere custom boat builder specializing in steel and aluminum vessel construction, repair and major conversions for all vessel…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 59 contacts → | ||||
Exact match “Cardinal Engineering provides world-class marine engineering services to the US Navy, industry partners, and other US government agencies.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 49 contacts → | ||||
Exact match “Based in Sebastian, Florida, Triton Submarines, LLC is the world leader in the design, engineering and manufacture of manned submersibles.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 35 contacts → | ||||
Exact match “We’re building autonomous ships for the U.S.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “GhostWork Marine was formed with the sole purpose of developing, designing, and manufacturing powered vessels with the most advanced construction methodologies available…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “Gladding Hearn Shipbuilding is a commercial shipbuilder based out of Somerset, Massachusetts, United States.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “Bartlett Maritime Corporation was founded in 2019 to address the crisis in submarine maintenance through aggressive, innovative measures.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Submergence Group designs, builds and operates leading-edge and affordable submersibles and underwater systems.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “SEAmagine is a leading designer and manufacturer of small personal submarines and submersibles for yachts and professionals with over dives accumulated by its existing fleet.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “G I INDUSTRIAL-MARINE, LLC is a shipbuilding company based out of PORTSMOUTH, Virginia, United States.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “submarine builders”. 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 17 of 51 submarine builders based in the United States
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Submarine builders based in the United States at a glance
As of Sep 22, 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 51 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 “submarine builders” 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 879 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 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
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 “submarine builders”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many submarine builders are there based in the United States?
RevenueBase identified 51 company matches for submarine builders 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?
General Dynamics Electric Boat tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most submarine builders?
Groton leads with 3 company records, followed by Lake City (2) and Newport News (2).
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 879 professional contacts with verified work emails tracked across these 51 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 51 submarine builders based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 17 submarine builders 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 51 matching company records for submarine builders based in the United States, with 27,990 tracked contacts and 879 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 submarine builders 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 |  General Dynamics Electric Boatgdeb.comHQ: Groton, CT, United StatesReported employees: 10001+ | Groton, CT, United States | 10001+ | Exact match | 8,318 contacts → |
“General Dynamics Electric Boat is a business unit of General Dynamics with headquarters in Groton, CT.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Newport News, VA, United StatesReported employees: 10001+ | Newport News, VA, United States | 10001+ | Exact match | 7,430 contacts → |
“For 137 years, the ships built at Newport News Shipbuilding, like the American shipbuilders who built them, have served our nation in peace and war, in times of adversity and in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hanwha Philly Shipyardhanwhaphillyshipyard.comHQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 486 contacts → |
“Trusted U.S.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eastern Shipbuilding Group, INCeasternshipbuilding.comHQ: Panama City, FL, United StatesReported employees: 1,001-5,000 | Panama City, FL, United States | 1,001-5,000 | Exact match | 317 contacts → |
“Eastern Shipbuilding Group, Inc.(ESG) is an American owned and operated shipbuilder with three shipyards on the Florida Gulf Coast.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Q.E.D. Systems, INCqedsysinc.comHQ: Virginia Beach, VA, United StatesReported employees: 501-1,000 | Virginia Beach, VA, United States | 501-1,000 | Exact match | 284 contacts → |
“Quod Erat Demonstrandum (QED) – “That which has been demonstrated or proven” – QED Systems Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Swiftshipsswiftships.comHQ: Morgan City, LA, United StatesReported employees: 201-500 | Morgan City, LA, United States | 201-500 | Exact match | 107 contacts → |
“Swiftships is an ISO 9001 certified, USA shipbuilder, and global defense contractor which offers end-to-end engineering, shipbuilding, testing, and delivery services for new…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Nichols Brothers Boat Buildersnicholsboats.comHQ: Freeland, WA, United StatesReported employees: 201-500 | Freeland, WA, United States | 201-500 | Exact match | 69 contacts → |
“Nichols Brothers Boat Builders is the Northwest's premiere custom boat builder specializing in steel and aluminum vessel construction, repair and major conversions for all vessel…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cardinal Engineering LLCcardinaleng.com HQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 59 contacts → |
“Cardinal Engineering provides world-class marine engineering services to the US Navy, industry partners, and other US government agencies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Triton Submarines LLCtritonsubs.com HQ: Sebastian, FL, United StatesReported employees: 11-50 | Sebastian, FL, United States | 11-50 | Exact match | 49 contacts → |
“Based in Sebastian, Florida, Triton Submarines, LLC is the world leader in the design, engineering and manufacture of manned submersibles.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Blue Water Autonomy INCblw.ai HQ: Boston, DE, United StatesReported employees: 11-50 | Boston, DE, United States | 11-50 | Exact match | 35 contacts → |
“We’re building autonomous ships for the U.S.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ghostworks Marine, INCghostworksmarine.com HQ: Holland, MI, United StatesReported employees: 11-50 | Holland, MI, United States | 11-50 | Exact match | 20 contacts → |
“GhostWork Marine was formed with the sole purpose of developing, designing, and manufacturing powered vessels with the most advanced construction methodologies available…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gladding Hearn Shipbuildinggladding-hearn.com HQ: Westport, MA, United StatesReported employees: 51-200 | Westport, MA, United States | 51-200 | Exact match | 17 contacts → |
“Gladding Hearn Shipbuilding is a commercial shipbuilder based out of Somerset, Massachusetts, United States.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Bartlett Maritime Corporationbartlettmaritime.comHQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 13 contacts → |
“Bartlett Maritime Corporation was founded in 2019 to address the crisis in submarine maintenance through aggressive, innovative measures.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Submergence Group LLCsubmergencegroup.com HQ: Cedar Park, TX, United StatesReported employees: 11-50 | Cedar Park, TX, United States | 11-50 | Exact match | 10 contacts → |
“Submergence Group designs, builds and operates leading-edge and affordable submersibles and underwater systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Seamagine Hydrospace Corporationseamagine.com HQ: Upland, CA, United StatesReported employees: 11-50 | Upland, CA, United States | 11-50 | Exact match | 6 contacts → |
“SEAmagine is a leading designer and manufacturer of small personal submarines and submersibles for yachts and professionals with over dives accumulated by its existing fleet.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Horizon Naval Architects, INChorizon-na.com HQ: Dania Beach, FL, United StatesReported employees: 11-50 | Dania Beach, FL, United States | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | G I Industrial-Marine, LLCgiindustrial-marine.com HQ: Portsmouth, VA, United StatesReported employees: 11-50 | Portsmouth, VA, United States | 11-50 | Exact match | 4 contacts → |
“G I INDUSTRIAL-MARINE, LLC is a shipbuilding company based out of PORTSMOUTH, Virginia, United States.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 51 company matches
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Submarine builders: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
51 records in the displayed employee bands.
0 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 51 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 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for submarine builders?
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 submarine builders did RevenueBase find based in the United States?
The saved snapshot records 51 matching company records, 27,990 tracked contacts and 879 verified emails. The public preview displays 17 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 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 17 submarine builders based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/submarine-builders/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
- 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
- Real estate companies based in the United States
Company intelligence · public preview
Top 17 submarine builders based in the United States
RevenueBase records 51 matching company records for submarine builders based in the United States, with 27,990 tracked contacts and 879 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 submarine builders 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 | General Dynamics Electric Boatgdeb.com HQ: Groton, CT, United StatesReported employees: 10001+ | Groton, CT, United States | 10001+ | Exact match | 8,318 contacts → |
“General Dynamics Electric Boat is a business unit of General Dynamics with headquarters in Groton, CT.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Newport News, VA, United StatesReported employees: 10001+ | Newport News, VA, United States | 10001+ | Exact match | 7,430 contacts → |
“For 137 years, the ships built at Newport News Shipbuilding, like the American shipbuilders who built them, have served our nation in peace and war, in times of adversity and in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hanwha Philly Shipyardhanwhaphillyshipyard.com HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 486 contacts → |
“Trusted U.S.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eastern Shipbuilding Group, INCeasternshipbuilding.com HQ: Panama City, FL, United StatesReported employees: 1,001-5,000 | Panama City, FL, United States | 1,001-5,000 | Exact match | 317 contacts → |
“Eastern Shipbuilding Group, Inc.(ESG) is an American owned and operated shipbuilder with three shipyards on the Florida Gulf Coast.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Q.E.D. Systems, INCqedsysinc.com HQ: Virginia Beach, VA, United StatesReported employees: 501-1,000 | Virginia Beach, VA, United States | 501-1,000 | Exact match | 284 contacts → |
“Quod Erat Demonstrandum (QED) – “That which has been demonstrated or proven” – QED Systems Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Swiftshipsswiftships.com HQ: Morgan City, LA, United StatesReported employees: 201-500 | Morgan City, LA, United States | 201-500 | Exact match | 107 contacts → |
“Swiftships is an ISO 9001 certified, USA shipbuilder, and global defense contractor which offers end-to-end engineering, shipbuilding, testing, and delivery services for new…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Nichols Brothers Boat Buildersnicholsboats.com HQ: Freeland, WA, United StatesReported employees: 201-500 | Freeland, WA, United States | 201-500 | Exact match | 69 contacts → |
“Nichols Brothers Boat Builders is the Northwest's premiere custom boat builder specializing in steel and aluminum vessel construction, repair and major conversions for all vessel…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cardinal Engineering LLCcardinaleng.com HQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 59 contacts → |
“Cardinal Engineering provides world-class marine engineering services to the US Navy, industry partners, and other US government agencies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Triton Submarines LLCtritonsubs.com HQ: Sebastian, FL, United StatesReported employees: 11-50 | Sebastian, FL, United States | 11-50 | Exact match | 49 contacts → |
“Based in Sebastian, Florida, Triton Submarines, LLC is the world leader in the design, engineering and manufacture of manned submersibles.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Blue Water Autonomy INCblw.ai HQ: Boston, DE, United StatesReported employees: 11-50 | Boston, DE, United States | 11-50 | Exact match | 35 contacts → |
“We’re building autonomous ships for the U.S.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ghostworks Marine, INCghostworksmarine.com HQ: Holland, MI, United StatesReported employees: 11-50 | Holland, MI, United States | 11-50 | Exact match | 20 contacts → |
“GhostWork Marine was formed with the sole purpose of developing, designing, and manufacturing powered vessels with the most advanced construction methodologies available…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gladding Hearn Shipbuildinggladding-hearn.com HQ: Westport, MA, United StatesReported employees: 51-200 | Westport, MA, United States | 51-200 | Exact match | 17 contacts → |
“Gladding Hearn Shipbuilding is a commercial shipbuilder based out of Somerset, Massachusetts, United States.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bartlett Maritime Corporationbartlettmaritime.com HQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 13 contacts → |
“Bartlett Maritime Corporation was founded in 2019 to address the crisis in submarine maintenance through aggressive, innovative measures.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Submergence Group LLCsubmergencegroup.com HQ: Cedar Park, TX, United StatesReported employees: 11-50 | Cedar Park, TX, United States | 11-50 | Exact match | 10 contacts → |
“Submergence Group designs, builds and operates leading-edge and affordable submersibles and underwater systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Seamagine Hydrospace Corporationseamagine.com HQ: Upland, CA, United StatesReported employees: 11-50 | Upland, CA, United States | 11-50 | Exact match | 6 contacts → |
“SEAmagine is a leading designer and manufacturer of small personal submarines and submersibles for yachts and professionals with over dives accumulated by its existing fleet.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Horizon Naval Architects, INChorizon-na.com HQ: Dania Beach, FL, United StatesReported employees: 11-50 | Dania Beach, FL, United States | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | G I Industrial-Marine, LLCgiindustrial-marine.com HQ: Portsmouth, VA, United StatesReported employees: 11-50 | Portsmouth, VA, United States | 11-50 | Exact match | 4 contacts → |
“G I INDUSTRIAL-MARINE, LLC is a shipbuilding company based out of PORTSMOUTH, Virginia, United States.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 51 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Submarine builders: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
51 records in the displayed employee bands.
0 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 51 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 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for submarine builders?
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 submarine builders did RevenueBase find based in the United States?
The saved snapshot records 51 matching company records, 27,990 tracked contacts and 879 verified emails. The public preview displays 17 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 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 17 submarine builders based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/submarine-builders/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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