Company lists · Data refreshed September 2026

Top 25 Marine sonar companies worldwide

RevenueBase identified 843 marine sonar companies worldwide as of September 2026 and tracks 20,985 professional contacts across them, including 5,872 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers marine sonar companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for marine sonar companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
843Companies
20,985Contacts tracked
5,872Verified emails
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The 25 largest marine sonar companies worldwide

Ranked by team size
Top 25 of 843 marine sonar companies worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to marine sonar companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBrazilHQ checked Sep 20, 2026n/a2,224 contacts →

Indirect evidence

“Rov company.”

Source: RevenueBase Database · checked Sep 20, 2026
2Partial evidenceLaksevåg, NorwayHQ checked Sep 20, 20261,001-5,0001,031 contacts →

Partial evidence

“Shearwater is a global marine geoscience and technology business.”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceDe Leon Springs, FL, United StatesHQ checked Sep 20, 2026501-1,000645 contacts →

Partial evidence

“World leader in the design, development, testing and production of complex maritime electronic systems, including sonobuoys in support of Anti-Submarine Warfare (ASW) and…”

Source: RevenueBase Database · checked Sep 20, 2026
4Partial evidenceBeckington, United KingdomHQ checked Sep 20, 2026201-500392 contacts →

Partial evidence

“For over 60 years, SEA has delivered research, development, manufacturing, training, and support of complex maritime systems to the Royal Navy, international partners, and…”

Source: RevenueBase Database · checked Sep 20, 2026
5Partial evidenceSharjah, United Arab EmiratesHQ checked Sep 20, 2026201-500381 contacts →

Partial evidence

“Headquartered in the UAE, Horizon Geosciences provide marine survey and geotechnical services to an array of clients around the world.”

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceZwevegem, BelgiumHQ checked Sep 20, 2026501-1,000374 contacts →

Partial evidence

“GEOxyz is an international maritime data company specialized in hydrographic, geophysical, geotechnical and topographical surveys, site investigations, renewable energy support…”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceBurnaby, BC, CanadaHQ checked Sep 20, 2026201-500338 contacts →

Partial evidence

“OSI Maritime Systems is a leading provider of integrated navigation and tactical solutions designed for naval and maritime security operations.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceUnited StatesHQ checked Sep 20, 2026201-500313 contacts →

Indirect evidence

“We are a subsea solutions company built on decades of experience across every major basin.”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceMount Pearl Park, NL, CanadaHQ checked Sep 20, 2026501-1,000306 contacts →

Partial evidence

“Kraken Robotics is a global marine technology company transforming subsea intelligence through advanced sensors, software, and integrated systems.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceEsbjerg V, FranceHQ checked Sep 20, 2026201-500290 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceNavi Mumbai, IndiaHQ checked Sep 20, 2026201-500288 contacts →

Partial evidence

“Formerly Elcome Marine Services Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
12Partial evidenceNew Malden, United KingdomHQ checked Sep 20, 2026201-500279 contacts →

Partial evidence

“Sperry Marine provides the commercial and defence maritime industry with Navigation Solutions that excel in efficiency, reliability and safety.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceYateley, United KingdomHQ checked Sep 20, 2026201-500273 contacts →

Indirect evidence

“Underwater innovations for energy, defence and science.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceKiel, GermanyHQ checked Sep 20, 2026501-1,000250 contacts →

Partial evidence

“Anschütz – Shaping the Future of Maritime Navigation.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceGlasgow, United KingdomHQ checked Sep 20, 2026201-500241 contacts →

Indirect evidence

“Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceVästra Frölunda, SwedenHQ checked Sep 20, 2026201-500213 contacts →

Indirect evidence

“We collect and process information to visualise the conditions of the seabed.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceBergen, NorwayHQ checked Sep 20, 2026501-1,000194 contacts →

Indirect evidence

“SeaBird Exploration is a wholly owned subsidiary of SED Energy Holdings Plc, which is listed on Euronext Oslo Børs.”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceHalifax, NS, CanadaHQ checked Sep 20, 202651-200190 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceMiddletown, RI, United StatesHQ checked Sep 20, 2026201-500173 contacts →

Indirect evidence

“MIKEL was founded in to develop and deliver innovative technologies to the U.S.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceLargo, United StatesHQ checked Sep 20, 2026201-500170 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
21Partial evidenceCartagena, United StatesHQ checked Sep 20, 202651-200150 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
22Partial evidenceNigrán, SpainHQ checked Sep 20, 202651-200147 contacts →

Partial evidence

“At Marine Instruments we develop and manufacture highly innovative technological systems and products that drive responsible fisheries and aquaculture operations and enhance…”

Source: RevenueBase Database · checked Sep 20, 2026
23Partial evidenceParis, FranceHQ checked Sep 20, 20261,001-5,000142 contacts →

Partial evidence

“Exail Technologies is a defense technology group delivering autonomous maritime drone systems and advanced navigation solutions for naval and defense customers operating in…”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceRousset, FranceHQ checked Sep 20, 2026201-500139 contacts →

Indirect evidence

“Founded in 2015, ALSEAMAR, a subsidiary of the ALCEN Group, develops, designs, operates and maintains high-performance underwater solutions that meet the requirements of…”

Source: RevenueBase Database · checked Sep 20, 2026
25Partial evidenceMidsomer Norton, United KingdomHQ checked Sep 20, 202651-200129 contacts →

Partial evidence

“SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 843 marine sonar companies worldwide

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Marine sonar companies worldwide at a glance

As of Sep 20, 2026
28.0%Verified-email coverage
24.9Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Singapore
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
371
11-50
285
51-200
124
201-500
38
501-1,000
9
1,001-5,000
8
5,001-10,000
2
10001+
2

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among marine sonar companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for marine sonar companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “marine sonar companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names marine sonar companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among marine sonar companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,872 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Marine sonar companies by location

8 lists · largest first

Every Marine sonar companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names marine sonar companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many marine sonar companies are there worldwide?

RevenueBase identified 843 marine sonar companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Free Lancer, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most marine sonar companies?

The United States leads with 146 companies, followed by the United Kingdom (83) and France (42). Every marine sonar companies list by country and city is linked on this page.

Which city has the most marine sonar companies?

Singapore leads with 15 headquartered companies, followed by Houston (11) and Istanbul (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,872 verified decision-maker contacts tracked across these 843 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.