Company lists · Data refreshed November 2026

Top 25 Undersea cable network designers worldwide

RevenueBase identified 441 company matches for undersea cable network designers worldwide as of November 2026 and tracks 9,831 professional contacts across them, including 3,014 with verified work emails. The United Kingdom is the largest market and Singapore the largest hub.

This list covers company matches for undersea cable network designers 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 undersea cable network designers 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
441Companies
9,831Contacts tracked
3,014Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest undersea cable network designers worldwide

Ranked by team size
Top 25 of 441 company matches for undersea cable network designers 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 matchUnited StatesHQ recorded Nov 6, 20261,001-5,0001,276 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLes Ulis, FranceHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
3Exact matchElefsina, GreeceHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
4Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000447 contacts →

Exact match

“Bharti Airtel Limited is a leading global telecommunications company with operations in 20 countries across Asia and Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChelmsford, United KingdomHQ recorded Nov 6, 2026501-1,000371 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500241 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Nov 6, 2026201-500236 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchShah Alam, MalaysiaHQ recorded Nov 6, 202651-200191 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBlyth, United KingdomHQ recorded Nov 6, 202651-200190 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchJakarta Timur, IndonesiaHQ recorded Nov 6, 2026201-500187 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHalifax, QC, CanadaHQ recorded Nov 6, 202651-200155 contacts →

Exact match

“IT International Telecom, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMckinney, TX, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
13Exact matchGorinchem, NetherlandsHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“CIAG B.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMunich, GermanyHQ recorded Nov 6, 2026201-500100 contacts →

Exact match

“Digitalisierungsstrategien, Glasfaserausbau, 5G-Netze und Energiewende: Wir bringen uns aktiv für die Zukunft ein.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAberdeen, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“With over 40 years of experience, at Hydro Group we specialise in the manufacture of bespoke subsea cable and connector assembly engineering for some of the most demanding…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchChelmsford, United KingdomHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“The Global Marine Group is a leading independent provider of submarine cable solutions offering a broad range of services including consultancy, installation and maintenance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRome, ItalyHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Company operating in the market of submarine cable system and related activities”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSaint-priest, FranceHQ recorded Nov 6, 202611-5064 contacts →

Exact match

“Ambition Telecom & Réseaux (AT & R) est un Bureau d’Etudes et de Maîtrise d’œuvre Telecom spécialisé dans la fibre optique fondé en 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBristol, United KingdomHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Offshore Marine Management Holdings is a leading group of companies specialising in the delivery of subsea solutions to the offshore renewables, grid, telecommunications and oil &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“A Propagação Engenharia, no mercado desde 1994, começou suas atividades atuando no mercado de Telecom implantando redes telefônicas e caminhou junto com o desenvolvimento…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMokattam, EgyptHQ recorded Nov 6, 20261,001-5,00053 contacts →

Exact match

“SKY Network Solutions Since its establishment, SKY is fixated on delivering Solutions for Fiber Optical Networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“NahjTech (Nahj Technology LLC) builds the infrastructure that data travels on: subsea cable systems, cable landing stations, long-haul optical networks and hyperscale data…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSeoul, South KoreaHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Since its establishment in 2002, KNET has been constantly contributing to the development of telecommunications technologies in order to create a better life for people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDelft, NetherlandsHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“ECE Offshore is an engineering, cable operations and equipment company focused on the offshore wind cable installation industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAthens, GreeceHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“PSL has supported major contractors in the subsea cable industry for over 30+years, globally.”

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

Showing 25 of 441 undersea cable network designers worldwide

See the full list, filter by size, metro and specialty, and access 3,014 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Undersea cable network designers worldwide at a glance

As of Nov 6, 2026
30.7%Verified-email coverage
22.3Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Singapore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
175
11-50
150
51-200
75
201-500
21
501-1,000
6
1,001-5,000
5
5,001-10,000
1
10001+
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 undersea cable network designers are linked below.
What qualifies
Company records worldwide whose business descriptions match “undersea cable network designers” 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 3,014 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.

Undersea cable network designers by location

3 lists · largest first

Every Undersea cable network designers 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 “undersea cable network designers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many undersea cable network designers are there worldwide?

RevenueBase identified 441 company matches for undersea cable network designers 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?

Subcom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most undersea cable network designers?

The United Kingdom leads with 59 companies, followed by the United States (47) and France (40). Every undersea cable network designers list by country and city is linked on this page.

Which city has the most undersea cable network designers?

Singapore leads with 6 company records, followed by London (4) and Paris (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 3,014 professional contacts with verified work emails tracked across these 441 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 441 undersea cable network designers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.