Company lists · Data refreshed November 2026

Top 25 Underwater communication equipment suppliers worldwide

RevenueBase identified 191 company matches for underwater communication equipment suppliers worldwide as of November 2026 and tracks 5,295 professional contacts across them, including 1,323 with verified work emails. The United States is the largest market and Aberdeen the largest hub.

This list covers company matches for underwater communication equipment 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 6, 2026. Country and city lists for underwater communication equipment 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 6, 2026 How this list was built
191Companies
5,295Contacts tracked
1,323Verified emails
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The 25 largest underwater communication equipment suppliers worldwide

Ranked by team size
Top 25 of 191 company matches for underwater communication equipment suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchEsbjerg V, FranceHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
2Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 2026201-500299 contacts →

Exact match

“Formerly Elcome Marine Services Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLarvik, NorwayHQ recorded Nov 6, 2026201-500228 contacts →

Exact match

“We develop and manufacture state-of-the-art communication products and systems for air, land, and sea applications worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHalifax, NS, CanadaHQ recorded Nov 6, 202651-200214 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRousset, FranceHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
6Exact matchCartagena, United StatesHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“SAES, as a company specialised in underwater acoustics, has 100 highly skilled engineers and scientists and over 25 years’ experience in sonar systems, on-board systems, mine…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBerlin, VA, GermanyHQ recorded Nov 6, 202651-200119 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMacaé, FL, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
9Exact matchKiel, GermanyHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
10Exact matchTrondheim, NorwayHQ recorded Nov 6, 202651-200104 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“ARMELSAN DEFENCE TECHNOLOGIES Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRome, ItalyHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
13Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-50058 contacts →

Exact match

“AMIT Marine Services has been an industry player and the customers’ preferred choice for marine and diving products and services since 1981.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWest Wareham, MA, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSandnes, NorwayHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Established in 1997, Innova is a leading supplier of services, equipment and solutions to the international underwater industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTrondheim, NorwayHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
17Exact matchNewburyport, MA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
18Exact matchBathgate, United KingdomHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“CSignum is a leader in wireless underwater communications, pioneering cable-free data solutions using patented low-frequency electromagnetic (EM) fields.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchTianjinxiamenningbo, Hong KongHQ recorded Nov 6, 2026201-50034 contacts →

Exact match

“Hostmost Group is the leading service provider for Marine Radio Communications and Navigation systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Data systems that make sense of the oceans.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchTruro Heights, NS, CanadaHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Ocean Sonics is an innovative leader in underwater listening.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Ocean Technology Systems is the world leader in manufacturing of Underwater Communications and Full Face Masks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBellville, TX, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“The Design and Manufacture of Underwater Connection Systems and Products including Fiber-Optic and Electric Connectors and Jumper Assemblies, Wet-Mates, Dry-Mates, Optical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLos Barrios, SpainHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Sandvik Marine Electronics was established in 1970 as O.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBlackpool, United KingdomHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“SMP are firmly established as one of the worlds leading manufacturers and suppliers of commercial diving equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 191 underwater communication equipment suppliers worldwide

See the full list, filter by size, metro and specialty, and access 1,323 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underwater communication equipment suppliers worldwide at a glance

As of Nov 6, 2026
25.0%Verified-email coverage
27.7Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Aberdeen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
75
11-50
65
51-200
33
201-500
15
1,001-5,000
2

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 equipment suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “underwater communication equipment 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 1,323 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.

Underwater communication equipment suppliers by location

2 lists · largest first

Every Underwater communication equipment 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 equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underwater communication equipment suppliers are there worldwide?

RevenueBase identified 191 company matches for underwater communication equipment 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?

Macartney Underwater Technology Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most underwater communication equipment suppliers?

The United States leads with 46 companies, followed by the United Kingdom (25). Every underwater communication equipment suppliers list by country and city is linked on this page.

Which city has the most underwater communication equipment suppliers?

Aberdeen leads with 5 company records, followed by Halifax (4) and San Diego (4).

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 1,323 professional contacts with verified work emails tracked across these 191 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.

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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.