Company lists · Data refreshed November 2026
Top 24 Undersea technology companies based in France
RevenueBase identified 73 company matches for undersea technology companies associated with France as of November 2026 and tracks 2,369 professional contacts across them, including 745 with verified work emails. Paris is the largest hub.
This list covers company matches for undersea technology companies associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
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 24 largest undersea technology companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,263 contacts → | ||||
Exact match “Alcatel Submarine Networks, leads the industry in terms of transmission capacity and installed base with more than km of optical submarine systems deployed worldwide (enough to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 180 contacts → | ||||
Exact match “Exail Technologies is a defense technology group delivering autonomous maritime drone systems and advanced navigation solutions for naval and defense customers operating in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 176 contacts → | ||||
Exact match “Founded in 2015, ALSEAMAR, a subsidiary of the ALCEN Group, develops, designs, operates and maintains high-performance underwater solutions that meet the requirements of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 113 contacts → | ||||
Exact match “SIREHNA is a subsidiary of Naval Group (French naval system integrator).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 31 contacts → | ||||
Exact match “Ingénierie et services subaquatiques robotisés.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 29 contacts → | ||||
Exact match “SEABER is an innovative company that designs and manufactures highly reliable micro-AUVs, for research and commercial applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “ELWAVE develops and markets disruptive electric-field sensors for mine warfare, critical underwater infrastructure protection, UUV detection and maritime awareness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 25 contacts → | ||||
Exact match “Forssea Robotics is a smart ROV asset and services provider established in 2016 to increase productivity of underwater inspection and light intervention repeatable tasks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “By industrializing the inventory & monitoring of benthic ecosystems, Cosma strives to contribute to the preservation of ocean biodiversity and security of our subsea…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 24 contacts → | ||||
Exact match “Depuis 25 ans l'entreprise TETIS, filiale du Groupe ETPO, est spécialisée dans les domaines des travaux subaquatiques, maritimes et fluviaux.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 22 contacts → | ||||
Exact match “Nous concevons et développons des capteurs de monitoring et de contrôle de prise des équipements de pêche, des echo-sondeurs, analyseurs de courants, et des sonars pour le monde…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 21 contacts → | ||||
Exact match “GEPS Techno builds and operates autonomous, connected offshore platforms serving as persistent floating infrastructure for maritime monitoring & surveillance, along with other…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 21 contacts → | ||||
Exact match “Delair Marine is the company behind Seasam, the world's first compact autonomous underwater drone made for professional applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 20 contacts → | ||||
Exact match “Spécialisés dans l'acquisition et le traitement de données géophysiques marines, la plongée, la recherche et le renflouement d'épaves, la société CERES répond aux besoins de ses…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 19 contacts → | ||||
Exact match “Plus de 20 années d'expérience dans les opérations maritimes - Créée par les fondateurs de Nymphea Environnement, la société MARINE TECH propose les activités suivantes-…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 17 contacts → | ||||
Exact match “L’équipage Navicom, ce sont des femmes et des hommes à l’écoute du marché pour vous proposer les meilleurs produits de dernière génération en termes de technologie à bord et de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Arkeocean is a French deeptech company building autonomous underwater drone systems for maritime defense, subsea surveillance, industrial inspection, and ocean monitoring.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Kappa Offshore Solutions is a marine engineering company specialized in offshore seismic data acquisition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “NOVAWELL provides subsea technologies and services to the oil and gas industry, including pre-commissioning, inspection, maintenance and repair of subsea umbilicals, risers…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Nous sommes spécialisés dans le tournage sous-marin depuis plus de 20 ans.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Since 1979, SIMEC Technologies has been offering its expertise in the design and manufacture of subsea vehicles as well as a range of services dedicated to subsea cable works.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Keo Robotics is a start-up from Vannes that develops and manufactures innovative solutions at affordable prices for the exploration of the seabed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “UPSILON is an independent French company specialized in operational measuring systems for accurate knowledge of complex environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “IM-Solutions is a leader in the development and manufacture of advanced marine robotic systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “undersea technology companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 24 of 73 undersea technology companies based in France
See the full list, filter by size, metro and specialty, and access 745 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Undersea technology companies based in France at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 73 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 France whose business descriptions match “undersea technology companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 745 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
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 “undersea technology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many undersea technology companies are there based in France?
RevenueBase identified 73 company matches for undersea technology companies associated with France as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
ASN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most undersea technology companies?
Paris leads with 5 company records, followed by La Ciotat (4) and Lorient (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 745 professional contacts with verified work emails tracked across these 73 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 73 undersea technology companies based in France. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Undersea technology companies based in Rio De Janeiro, Brazil
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Company intelligence · public preview
Top 24 undersea technology companies based in France
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 73 matching company records for undersea technology companies based in France, with 2,369 tracked contacts and 745 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 undersea technology companies based in France
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 |  ASNasn.comHQ: Les Ulis, FranceReported employees: 1,001-5,000 | Les Ulis, France | 1,001-5,000 | Exact match | 1,263 contacts → |
“Alcatel Submarine Networks, leads the industry in terms of transmission capacity and installed base with more than km of optical submarine systems deployed worldwide (enough to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Exail Technologies EPA EXA Otcqx Exalfexail-technologies.comHQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 180 contacts → |
“Exail Technologies is a defense technology group delivering autonomous maritime drone systems and advanced navigation solutions for naval and defense customers operating in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Alseamaralseamar-alcen.comHQ: Rousset, FranceReported employees: 201-500 | Rousset, France | 201-500 | Exact match | 176 contacts → |
“Founded in 2015, ALSEAMAR, a subsidiary of the ALCEN Group, develops, designs, operates and maintains high-performance underwater solutions that meet the requirements of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sirehnasirehna.comHQ: Bouguenais, FranceReported employees: 51-200 | Bouguenais, France | 51-200 | Exact match | 113 contacts → |
“SIREHNA is a subsidiary of Naval Group (French naval system integrator).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Watertrackswatertracks.frHQ: Perols, FranceReported employees: 11-50 | Perols, France | 11-50 | Exact match | 31 contacts → |
“Ingénierie et services subaquatiques robotisés.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Seaberseaber.frHQ: Lorient, FranceReported employees: 11-50 | Lorient, France | 11-50 | Exact match | 29 contacts → |
“SEABER is an innovative company that designs and manufactures highly reliable micro-AUVs, for research and commercial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Elwaveelwave.frHQ: Carquefou, FranceReported employees: 11-50 | Carquefou, France | 11-50 | Exact match | 26 contacts → |
“ELWAVE develops and markets disruptive electric-field sensors for mine warfare, critical underwater infrastructure protection, UUV detection and maritime awareness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Forssea Roboticsforssea-robotics.frHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 25 contacts → |
“Forssea Robotics is a smart ROV asset and services provider established in 2016 to increase productivity of underwater inspection and light intervention repeatable tasks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  COSMAcosma.techHQ: Nice, FranceReported employees: 11-50 | Nice, France | 11-50 | Exact match | 24 contacts → |
“By industrializing the inventory & monitoring of benthic ecosystems, Cosma strives to contribute to the preservation of ocean biodiversity and security of our subsea…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  TETIStetis.frHQ: Bellevigny, FranceReported employees: 11-50 | Bellevigny, France | 11-50 | Exact match | 24 contacts → |
“Depuis 25 ans l'entreprise TETIS, filiale du Groupe ETPO, est spécialisée dans les domaines des travaux subaquatiques, maritimes et fluviaux.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Marport Francemarport.comHQ: Ploemeur, FranceReported employees: 11-50 | Ploemeur, France | 11-50 | Exact match | 22 contacts → |
“Nous concevons et développons des capteurs de monitoring et de contrôle de prise des équipements de pêche, des echo-sondeurs, analyseurs de courants, et des sonars pour le monde…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Geps Technogeps-techno.comHQ: Guérande, FranceReported employees: 11-50 | Guérande, France | 11-50 | Exact match | 21 contacts → |
“GEPS Techno builds and operates autonomous, connected offshore platforms serving as persistent floating infrastructure for maritime monitoring & surveillance, along with other…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Delair Marinedelairmarine.comHQ: Marseille, FranceReported employees: 11-50 | Marseille, France | 11-50 | Exact match | 21 contacts → |
“Delair Marine is the company behind Seasam, the world's first compact autonomous underwater drone made for professional applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  CERESceresm.comHQ: Montfarville, FranceReported employees: 1-10 | Montfarville, France | 1-10 | Exact match | 20 contacts → |
“Spécialisés dans l'acquisition et le traitement de données géophysiques marines, la plongée, la recherche et le renflouement d'épaves, la société CERES répond aux besoins de ses…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Marine Techmarinetech.frHQ: Six Fours Les Plages, FranceReported employees: 1-10 | Six Fours Les Plages, France | 1-10 | Exact match | 19 contacts → |
“Plus de 20 années d'expérience dans les opérations maritimes - Créée par les fondateurs de Nymphea Environnement, la société MARINE TECH propose les activités suivantes-…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Navicomnavicom.frHQ: Quimper, FranceReported employees: 11-50 | Quimper, France | 11-50 | Exact match | 17 contacts → |
“L’équipage Navicom, ce sont des femmes et des hommes à l’écoute du marché pour vous proposer les meilleurs produits de dernière génération en termes de technologie à bord et de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Arkeoceanarkeocean.comHQ: Aspremont, FranceReported employees: 11-50 | Aspremont, France | 11-50 | Exact match | 14 contacts → |
“Arkeocean is a French deeptech company building autonomous underwater drone systems for maritime defense, subsea surveillance, industrial inspection, and ocean monitoring.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Kappa Offshore Solutionskappaoffshoresolutions.com HQ: St-Nazaire, FranceReported employees: 1-10 | St-Nazaire, France | 1-10 | Exact match | 9 contacts → |
“Kappa Offshore Solutions is a marine engineering company specialized in offshore seismic data acquisition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Novawellnovawell.netHQ: Montpellier, FranceReported employees: 11-50 | Montpellier, France | 11-50 | Exact match | 8 contacts → |
“NOVAWELL provides subsea technologies and services to the oil and gas industry, including pre-commissioning, inspection, maintenance and repair of subsea umbilicals, risers…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Bluearth Productionbluearth-prod.comHQ: La Ciotat, FranceReported employees: 1-10 | La Ciotat, France | 1-10 | Exact match | 5 contacts → |
“Nous sommes spécialisés dans le tournage sous-marin depuis plus de 20 ans.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Fuveau, FranceReported employees: 201-500 | Fuveau, France | 201-500 | Exact match | 2 contacts → |
“Since 1979, SIMEC Technologies has been offering its expertise in the design and manufacture of subsea vehicles as well as a range of services dedicated to subsea cable works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  KEO Roboticskeorobotics.comHQ: Vannes, FranceReported employees: 1-10 | Vannes, France | 1-10 | Exact match | 2 contacts → |
“Keo Robotics is a start-up from Vannes that develops and manufactures innovative solutions at affordable prices for the exploration of the seabed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Upsilon Sarlupsilon.proHQ: Concarneau, FranceReported employees: 1-10 | Concarneau, France | 1-10 | Exact match | 2 contacts → |
“UPSILON is an independent French company specialized in operational measuring systems for accurate knowledge of complex environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Im-Solutions Innovative Marine Solutionsim-solutions.frHQ: Saint Philibert, FranceReported employees: 11-50 | Saint Philibert, France | 11-50 | Exact match | 1 contacts → |
“IM-Solutions is a leader in the development and manufacture of advanced marine robotic systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 73 company matches
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Undersea technology companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
72 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 France, so it is reported there. Company counts and contact totals on this page are exact for France, over 73 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for undersea technology companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many undersea technology companies did RevenueBase find based in France?
The saved snapshot records 73 matching company records, 2,369 tracked contacts and 745 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Undersea technology companies by geography
- Undersea technology companies based in Rio De Janeiro, Brazil
- Undersea technology companies based in Singapore, Singapore
- Undersea technology companies based in Aberdeen, United Kingdom
- Undersea technology companies based in Houston, United States
- Undersea technology companies based in Australia
- Undersea technology companies based in Brazil
- Undersea technology companies based in Canada
- Undersea technology companies based in Chile
- Undersea technology companies based in Germany
- Undersea technology companies based in India
- Undersea technology companies based in Italy
- Undersea technology companies based in Malaysia
Browse the directory
Cite this list
RevenueBase Data Team. Top 24 undersea technology companies based in France. Snapshot: November 6, 2026. https://revenuebase.ai/companies/undersea-technology-companies/france.
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
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- Lists A-Z
- New lists
- Undersea technology companies based in Rio De Janeiro, Brazil
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Company intelligence · public preview
Top 24 undersea technology companies based in France
RevenueBase records 73 matching company records for undersea technology companies based in France, with 2,369 tracked contacts and 745 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 undersea technology companies based in France
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 | ASNasn.com HQ: Les Ulis, FranceReported employees: 1,001-5,000 | Les Ulis, France | 1,001-5,000 | Exact match | 1,263 contacts → |
“Alcatel Submarine Networks, leads the industry in terms of transmission capacity and installed base with more than km of optical submarine systems deployed worldwide (enough to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Exail Technologies EPA EXA Otcqx Exalfexail-technologies.com HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 180 contacts → |
“Exail Technologies is a defense technology group delivering autonomous maritime drone systems and advanced navigation solutions for naval and defense customers operating in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Alseamaralseamar-alcen.com HQ: Rousset, FranceReported employees: 201-500 | Rousset, France | 201-500 | Exact match | 176 contacts → |
“Founded in 2015, ALSEAMAR, a subsidiary of the ALCEN Group, develops, designs, operates and maintains high-performance underwater solutions that meet the requirements of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sirehnasirehna.com HQ: Bouguenais, FranceReported employees: 51-200 | Bouguenais, France | 51-200 | Exact match | 113 contacts → |
“SIREHNA is a subsidiary of Naval Group (French naval system integrator).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Watertrackswatertracks.fr HQ: Perols, FranceReported employees: 11-50 | Perols, France | 11-50 | Exact match | 31 contacts → |
“Ingénierie et services subaquatiques robotisés.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Seaberseaber.fr HQ: Lorient, FranceReported employees: 11-50 | Lorient, France | 11-50 | Exact match | 29 contacts → |
“SEABER is an innovative company that designs and manufactures highly reliable micro-AUVs, for research and commercial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Elwaveelwave.fr HQ: Carquefou, FranceReported employees: 11-50 | Carquefou, France | 11-50 | Exact match | 26 contacts → |
“ELWAVE develops and markets disruptive electric-field sensors for mine warfare, critical underwater infrastructure protection, UUV detection and maritime awareness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Forssea Roboticsforssea-robotics.fr HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 25 contacts → |
“Forssea Robotics is a smart ROV asset and services provider established in 2016 to increase productivity of underwater inspection and light intervention repeatable tasks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | COSMAcosma.tech HQ: Nice, FranceReported employees: 11-50 | Nice, France | 11-50 | Exact match | 24 contacts → |
“By industrializing the inventory & monitoring of benthic ecosystems, Cosma strives to contribute to the preservation of ocean biodiversity and security of our subsea…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | TETIStetis.fr HQ: Bellevigny, FranceReported employees: 11-50 | Bellevigny, France | 11-50 | Exact match | 24 contacts → |
“Depuis 25 ans l'entreprise TETIS, filiale du Groupe ETPO, est spécialisée dans les domaines des travaux subaquatiques, maritimes et fluviaux.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Marport Francemarport.com HQ: Ploemeur, FranceReported employees: 11-50 | Ploemeur, France | 11-50 | Exact match | 22 contacts → |
“Nous concevons et développons des capteurs de monitoring et de contrôle de prise des équipements de pêche, des echo-sondeurs, analyseurs de courants, et des sonars pour le monde…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Geps Technogeps-techno.com HQ: Guérande, FranceReported employees: 11-50 | Guérande, France | 11-50 | Exact match | 21 contacts → |
“GEPS Techno builds and operates autonomous, connected offshore platforms serving as persistent floating infrastructure for maritime monitoring & surveillance, along with other…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Delair Marinedelairmarine.com HQ: Marseille, FranceReported employees: 11-50 | Marseille, France | 11-50 | Exact match | 21 contacts → |
“Delair Marine is the company behind Seasam, the world's first compact autonomous underwater drone made for professional applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | CERESceresm.com HQ: Montfarville, FranceReported employees: 1-10 | Montfarville, France | 1-10 | Exact match | 20 contacts → |
“Spécialisés dans l'acquisition et le traitement de données géophysiques marines, la plongée, la recherche et le renflouement d'épaves, la société CERES répond aux besoins de ses…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Marine Techmarinetech.fr HQ: Six Fours Les Plages, FranceReported employees: 1-10 | Six Fours Les Plages, France | 1-10 | Exact match | 19 contacts → |
“Plus de 20 années d'expérience dans les opérations maritimes - Créée par les fondateurs de Nymphea Environnement, la société MARINE TECH propose les activités suivantes-…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Navicomnavicom.fr HQ: Quimper, FranceReported employees: 11-50 | Quimper, France | 11-50 | Exact match | 17 contacts → |
“L’équipage Navicom, ce sont des femmes et des hommes à l’écoute du marché pour vous proposer les meilleurs produits de dernière génération en termes de technologie à bord et de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Arkeoceanarkeocean.com HQ: Aspremont, FranceReported employees: 11-50 | Aspremont, France | 11-50 | Exact match | 14 contacts → |
“Arkeocean is a French deeptech company building autonomous underwater drone systems for maritime defense, subsea surveillance, industrial inspection, and ocean monitoring.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Kappa Offshore Solutionskappaoffshoresolutions.com HQ: St-Nazaire, FranceReported employees: 1-10 | St-Nazaire, France | 1-10 | Exact match | 9 contacts → |
“Kappa Offshore Solutions is a marine engineering company specialized in offshore seismic data acquisition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Novawellnovawell.net HQ: Montpellier, FranceReported employees: 11-50 | Montpellier, France | 11-50 | Exact match | 8 contacts → |
“NOVAWELL provides subsea technologies and services to the oil and gas industry, including pre-commissioning, inspection, maintenance and repair of subsea umbilicals, risers…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bluearth Productionbluearth-prod.com HQ: La Ciotat, FranceReported employees: 1-10 | La Ciotat, France | 1-10 | Exact match | 5 contacts → |
“Nous sommes spécialisés dans le tournage sous-marin depuis plus de 20 ans.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Fuveau, FranceReported employees: 201-500 | Fuveau, France | 201-500 | Exact match | 2 contacts → |
“Since 1979, SIMEC Technologies has been offering its expertise in the design and manufacture of subsea vehicles as well as a range of services dedicated to subsea cable works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | KEO Roboticskeorobotics.com HQ: Vannes, FranceReported employees: 1-10 | Vannes, France | 1-10 | Exact match | 2 contacts → |
“Keo Robotics is a start-up from Vannes that develops and manufactures innovative solutions at affordable prices for the exploration of the seabed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Upsilon Sarlupsilon.pro HQ: Concarneau, FranceReported employees: 1-10 | Concarneau, France | 1-10 | Exact match | 2 contacts → |
“UPSILON is an independent French company specialized in operational measuring systems for accurate knowledge of complex environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Im-Solutions Innovative Marine Solutionsim-solutions.fr HQ: Saint Philibert, FranceReported employees: 11-50 | Saint Philibert, France | 11-50 | Exact match | 1 contacts → |
“IM-Solutions is a leader in the development and manufacture of advanced marine robotic systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 73 company matches
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Undersea technology companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
72 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 France, so it is reported there. Company counts and contact totals on this page are exact for France, over 73 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for undersea technology companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many undersea technology companies did RevenueBase find based in France?
The saved snapshot records 73 matching company records, 2,369 tracked contacts and 745 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 24 undersea technology companies based in France. Snapshot: November 6, 2026. https://revenuebase.ai/companies/undersea-technology-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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