Company lists · Data refreshed September 2026

Top 25 Underwater cable manufacturers worldwide

RevenueBase identified 750 underwater cable manufacturers worldwide as of September 2026 and tracks 39,203 professional contacts across them, including 11,119 with verified work emails. The United Kingdom is the largest market and Shenzhen the largest hub.

This list covers underwater cable manufacturers 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 30, 2026. Country and city lists for underwater cable manufacturers 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 30, 2026 86% judged on-target in blind review
750Companies
39,203Contacts tracked
11,119Verified emails
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The 25 largest underwater cable manufacturers worldwide

Ranked by team size
Top 25 of 750 underwater cable manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to underwater cable manufacturers: 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 evidenceMilan, ItalyHQ checked Sep 30, 202610001+12,813 contacts →

Indirect evidence

“Prysmian is a global cabling solutions provider leading the energy transition and digital transformation.”

Source: RevenueBase Database · checked Sep 30, 2026
2Indirect evidenceCourbevoie, FranceHQ checked Sep 30, 202610001+6,409 contacts →

Indirect evidence

“For over a century, Nexans has played a crucial role in the electrification of the planet and is committed to electrifying the future.”

Source: RevenueBase Database · checked Sep 30, 2026
3Partial evidenceAnyang-si, South KoreaHQ checked Sep 30, 20265,001-10,0001,352 contacts →

Partial evidence

“LS Cable & System | Connecting the World with Smarter, Greener Cable Solutions LS Cable & System (LS C&S) is a global leader in power and communication cable solutions, driving…”

Source: RevenueBase Database · checked Sep 30, 2026
4Strong evidenceUnited StatesHQ checked Sep 30, 20261,001-5,0001,185 contacts →

Strong evidence

“SubCom engineers, manufactures, and installs subsea fiber optic data cables - the unsung heroes of global communication.”

Source: RevenueBase Database · checked Sep 30, 2026
5Indirect evidenceLes Ulis, FranceHQ checked Sep 30, 20261,001-5,0001,140 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 30, 2026
6Partial evidenceAthens, GreeceHQ checked Sep 30, 20261,001-5,000601 contacts →

Partial evidence

“Hellenic Cables is active in the manufacturing of cables, conductors as well as plastic and rubber compounds and over the past decade, has evolved into the largest cable…”

Source: RevenueBase Database · checked Sep 30, 2026
7Partial evidenceLittleport, United StatesHQ checked Sep 30, 2026501-1,000553 contacts →

Partial evidence

“JDR Cable Systems, part of the TFKable Group, is a global leader in providing power and control solutions for the offshore energy market.”

Source: RevenueBase Database · checked Sep 30, 2026
8Partial evidenceJeddah, Saudi ArabiaHQ checked Sep 30, 20261,001-5,000547 contacts →

Partial evidence

“The Saudi Cable Company (SCC) is the only total cable system provider in the Middle East.”

Source: RevenueBase Database · checked Sep 30, 2026
9Partial evidenceElefsina, GreeceHQ checked Sep 30, 2026501-1,000478 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
10Strong evidenceChennai, IndiaHQ checked Sep 30, 20261,001-5,000436 contacts →

Strong evidence

“HTL Ltd (Subsidiary of HFCL Limited) is a Prominent Optical Fiber Cable Manufacturer, Industry Acclaimed Fiber & Copper Cabling Solutions Provider, Leading Electrical Wiring…”

Source: RevenueBase Database · checked Sep 30, 2026
11Partial evidenceChelmsford, United KingdomHQ checked Sep 30, 2026501-1,000339 contacts →

Partial evidence

“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.”

Source: RevenueBase Database · checked Sep 30, 2026
12Strong evidenceHyderabad, IndiaHQ checked Sep 30, 2026501-1,000278 contacts →

Strong evidence

“Committed to innovation, excellence and quality, sensitive to customer needs and backed by years of experience, Thermo Cables is a leading manufacturer of various types of…”

Source: RevenueBase Database · checked Sep 30, 2026
13Strong evidenceCulloden, WV, United StatesHQ checked Sep 30, 2026201-500257 contacts →

Strong evidence

“Service Wire is a multi-generation, family-owned wire and cable manufacturer and has been since 1968.”

Source: RevenueBase Database · checked Sep 30, 2026
14Partial evidenceParis, FranceHQ checked Sep 30, 2026201-500219 contacts →

Partial evidence

“Orange Marine, a wholly-owned subsidiary of the Orange Group, is a cable ship owner specialized in offshore work on submarine cables, from designing and engineering new projects…”

Source: RevenueBase Database · checked Sep 30, 2026
15Partial evidenceDubai, United Arab EmiratesHQ checked Sep 30, 2026201-500211 contacts →

Partial evidence

“E-marine PJSC, an ISO Certified Company has grown to become one of the market leaders in Submarine Cable Installation, Maintenance and Repair Services.”

Source: RevenueBase Database · checked Sep 30, 2026
16Partial evidenceValencia, SpainHQ checked Sep 30, 202651-200196 contacts →

Partial evidence

“Future Fibres is the world's leading supplier of advanced composite cable solutions, serving both the marine and industrial sectors.”

Source: RevenueBase Database · checked Sep 30, 2026
17Strong evidenceGurgaon, IndiaHQ checked Sep 30, 20261,001-5,000194 contacts →

Strong evidence

“Established in 2005, our company is a major manufacturer for a wide range of Datacom, CCTV, Coaxial, Optical Fiber, Control, Power, and Instrumentation Cables.”

Source: RevenueBase Database · checked Sep 30, 2026
18Strong evidenceMumbai, IndiaHQ checked Sep 30, 202610001+181 contacts →

Strong evidence

“APAR manufacturers and markets the most comprehensive range of cables in India.”

Source: RevenueBase Database · checked Sep 30, 2026
19Partial evidenceShah Alam, MalaysiaHQ checked Sep 30, 202651-200175 contacts →

Partial evidence

“OMS Group is a global, neutral and integrated telecommunications infrastructure service provider with end-to-end solution across the digital value chain covering Submarine Cable…”

Source: RevenueBase Database · checked Sep 30, 2026
20Indirect evidenceJakarta Timur, IndonesiaHQ checked Sep 30, 2026201-500173 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
21Strong evidenceWest Jakarta, IndonesiaHQ checked Sep 30, 202651-200162 contacts →

Strong evidence

“We are the optical fiber cable manufacturer in Indonesia.”

Source: RevenueBase Database · checked Sep 30, 2026
22Indirect evidenceBlyth, United KingdomHQ checked Sep 30, 202651-200161 contacts →

Indirect evidence

“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.”

Source: RevenueBase Database · checked Sep 30, 2026
23Partial evidenceErith, United KingdomHQ checked Sep 30, 2026201-500154 contacts →

Partial evidence

“Batt Cables has been a trusted name in cable distribution since 1952.”

Source: RevenueBase Database · checked Sep 30, 2026
24Strong evidenceNairobi, KenyaHQ checked Sep 30, 202651-200153 contacts →

Strong evidence

“Manufacturer and Exporter of quality trusted electrical cables.”

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceCaçapava, BrazilHQ checked Sep 30, 2026201-500152 contacts →

Indirect evidence

“Completando 30 anos em 2025, a Cabletech alcançou a liderança nacional na fabricação de cabos coaxiais e ópticos, sempre focada em inovação e em manter um padrão de qualidade…”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 750 underwater cable manufacturers worldwide

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Underwater cable manufacturers worldwide at a glance

As of Sep 30, 2026
28.4%Verified-email coverage
52.3Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Shenzhen
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
201
11-50
210
51-200
194
201-500
71
501-1,000
38
1,001-5,000
23
5,001-10,000
4
10001+
7

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 underwater cable manufacturers, 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 underwater cable manufacturers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “underwater cable manufacturers”. 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 underwater cable manufacturers), 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 underwater cable manufacturers, 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, 11,119 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 30, 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.

Underwater cable manufacturers by location

5 lists · largest first

Every Underwater cable manufacturers 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 underwater cable manufacturers, 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 underwater cable manufacturers are there worldwide?

RevenueBase identified 750 underwater cable manufacturers 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?

Prysmian, headquartered in Milan, tops this list with the largest team on record.

Which country has the most underwater cable manufacturers?

The United Kingdom leads with 81 companies, followed by the United States (72) and India (67). Every underwater cable manufacturers list by country and city is linked on this page.

Which city has the most underwater cable manufacturers?

Shenzhen leads with 14 headquartered companies, followed by Istanbul (10) and New Delhi (10).

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 11,119 verified decision-maker contacts tracked across these 750 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 30, 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.