Company lists · Data refreshed November 2026

Top 25 Underwater communication system suppliers worldwide

RevenueBase identified 256 company matches for underwater communication system suppliers worldwide as of November 2026 and tracks 8,192 professional contacts across them, including 2,613 with verified work emails. The United States is the largest market and Aberdeen the largest hub.

This list covers company matches for underwater communication system suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 3, 2026. Country and city lists for underwater communication system suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 3, 2026 How this list was built
256Companies
8,192Contacts tracked
2,613Verified emails
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The 25 largest underwater communication system suppliers worldwide

Ranked by team size
Top 25 of 256 company matches for underwater communication system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLes Ulis, FranceHQ recorded Nov 3, 20261,001-5,0001,263 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 3, 2026 · View company records in RevenueBase
2Exact matchElefsina, GreeceHQ recorded Nov 3, 2026501-1,000541 contacts →

Exact match

“ASSO group is a technology driven company specialized to provide services and sub-sea equipment for underwater works in the marine and offshore field.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchEsbjerg V, FranceHQ recorded Nov 3, 2026201-500315 contacts →

Exact match

“The MacArtney Group supplies products and engineering solutions to the worldwide Underwater Technology Market.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchNavi Mumbai, IndiaHQ recorded Nov 3, 2026201-500299 contacts →

Exact match

“Formerly Elcome Marine Services Pvt.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchRaleigh, United StatesHQ recorded Nov 3, 2026201-500273 contacts →

Exact match

“Founded in 1884, Mackay Communications (dba Mackay Marine) continues to evolve with the times.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchHalifax, NS, CanadaHQ recorded Nov 3, 202651-200214 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchRousset, FranceHQ recorded Nov 3, 2026201-500176 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 3, 2026 · View company records in RevenueBase
8Exact matchHalifax, QC, CanadaHQ recorded Nov 3, 202651-200155 contacts →

Exact match

“IT International Telecom, Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchBerlin, VA, GermanyHQ recorded Nov 3, 202651-200119 contacts →

Exact match

“EvoLogics GmbH is a German-based high-tech enterprise.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchMacaé, FL, BrazilHQ recorded Nov 3, 202651-200109 contacts →

Exact match

“Há mais de 35 anos, a Jevin fornece soluções em comunicação para operações offshore e onshore.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchMckinney, TX, United StatesHQ recorded Nov 3, 202651-200106 contacts →

Exact match

“Xtera is an innovative provider of sub-sea telecoms solutions and carries an extensive portfolio of intellectual property.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchSingaporeHQ recorded Nov 3, 202651-200106 contacts →

Exact match

“Established in 1976, Jason Marine is a leading provider of integrated solutions of a wide range of marine communication, navigation and automation systems based in Singapore.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchKiel, GermanyHQ recorded Nov 3, 2026201-500105 contacts →

Exact match

“ELAC SONAR has 100 year of experience in the design, manufacture and supply of hydroacoustic systems for naval applications.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchTrondheim, NorwayHQ recorded Nov 3, 202651-200104 contacts →

Exact match

“Norbit Subsea is a supplier of underwater instrumentation and communication solutions.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchİstanbul, TürkiyeHQ recorded Nov 3, 202651-200101 contacts →

Exact match

“ARMELSAN DEFENCE TECHNOLOGIES Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchMandeville, LA, JamaicaHQ recorded Nov 3, 202611-5085 contacts →

Exact match

“Founded in 2002, Marine Technologies manufactures and installs dynamic positioning systems, integrated bridge systems, voice telecommunications systems as well as satellite based…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchRome, ItalyHQ recorded Nov 3, 202611-5078 contacts →

Exact match

“WSENSE is a spin-off of Sapienza University of Rome, with a strong and experienced R&D team specialized in monitoring and communication systems with pioneering patented solutions…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchTokyo, JapanHQ recorded Nov 3, 20265,001-10,00075 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchStavanger, NorwayHQ recorded Nov 3, 2026n/a73 contacts →

Exact match

“West Communication AS - WestCom is a communications company with radio communication as our speciality.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchWest Wareham, MA, United StatesHQ recorded Nov 3, 202651-20051 contacts →

Exact match

“EdgeTech is a leading manufacturer of underwater technology solutions.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchEdinburgh, FL, United KingdomHQ recorded Nov 3, 202651-20039 contacts →

Exact match

“Coda Octopus is a global leader and specialist in underwater technologies including being the patent holder for the real-time 3D sonar, the Echoscope®.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchTrondheim, NorwayHQ recorded Nov 3, 202611-5038 contacts →

Exact match

“Water Linked was founded in Trondheim in 2013 with the vision of becoming a world leader in high-end acoustic subsea communication and positioning systems.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchBangkok, SingaporeHQ recorded Nov 3, 202651-20037 contacts →

Exact match

“Masstron was founded in Singapore in 1995 with the vision that Fiber Optics would revolutionize the way people interact, work and play.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchNewburyport, MA, United StatesHQ recorded Nov 3, 202651-20037 contacts →

Exact match

“Klein Marine Systems is a leading provider of advanced sonar systems, underwater technology, and marine data solutions.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchBathgate, United KingdomHQ recorded Nov 3, 202611-5035 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 256 underwater communication system suppliers worldwide

See the full list, filter by size, metro and specialty, and access 2,613 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underwater communication system suppliers worldwide at a glance

As of Nov 3, 2026
31.9%Verified-email coverage
32.0Average contacts per company
11-50Median size (employees)
3.1%Largest-city concentration · Aberdeen
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
95
11-50
90
51-200
48
201-500
17
501-1,000
1
1,001-5,000
3
5,001-10,000
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for underwater communication system suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “underwater communication system suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 2,613 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 3, 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.

Underwater communication system suppliers by location

2 lists · largest first

Every Underwater communication system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “underwater communication system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underwater communication system suppliers are there worldwide?

RevenueBase identified 256 company matches for underwater communication system suppliers worldwide 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 country has the most underwater communication system suppliers?

The United States leads with 55 companies, followed by the United Kingdom (34). Every underwater communication system suppliers list by country and city is linked on this page.

Which city has the most underwater communication system suppliers?

Aberdeen leads with 8 company records, followed by Singapore (6) and Halifax (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,613 professional contacts with verified work emails tracked across these 256 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 3, 2026.

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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.