Company lists · Data refreshed November 2026

Top 25 Terrestrial optical communication companies worldwide

Name: Terrestrial optical communication companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,031 companies tracked

RevenueBase identified 9,031 company matches for terrestrial optical communication companies worldwide as of November 2026 and tracks 275,666 professional contacts across them, including 52,047 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers company matches for terrestrial optical communication companies 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 terrestrial optical communication companies 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

9,031Companies

275,666Contacts tracked

52,047Verified emails

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The 25 largest terrestrial optical communication companies worldwide

Ranked by team size

Top 25 of 9,031 company matches for terrestrial optical communication companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Serede	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	10001+	8,708 contacts →
	Exact match “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Windstream	Exact match	Little Rock, AR, United StatesHQ recorded Nov 6, 2026	10001+	7,649 contacts →
	Exact match “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Fiberhome	Exact match	Wuhan, ChinaHQ recorded Nov 6, 2026	10001+	4,839 contacts →
	Exact match “FiberHome is an internationally renowned provider of ICT network products and solutions, Our mission is to maximize the potential of digital connections and benefit the society.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Viavi Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,595 contacts →
	Exact match “VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Circet	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	4,138 contacts →
	Exact match “A global player in the telecom infrastructure services industry, the Circet Group provides operators, local authorities and key accounts throughout the world with an integrated…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Zayo Group	Exact match	Denver, CO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,886 contacts →
	Exact match “For more than 18 years, Zayo Group of companies has helped the world’s most ambitious organizations build the infrastructure behind what’s next.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Procisa DO Brasil	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,852 contacts →
	Exact match “Prazer, somos a Procisa do Brasil!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Hughes	Exact match	Germantown, MD, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,649 contacts →
	Exact match “Hughes Network Systems, LLC (HUGHES), an innovator in satellite and multi-transport technologies and networks since 1971, provides broadband equipment and services; managed…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Sogetrel	Exact match	Issy Les Moulineaux, FranceHQ recorded Nov 6, 2026	1,001-5,000	2,356 contacts →
	Exact match “En première ligne de la transformation numérique des entreprises et des territoires, le Groupe Sogetrel est spécialisé dans les services aux infrastructures numériques et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	LCC	Exact match	Mclean, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,335 contacts →
	Exact match “In Feb.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Kddi Corporation	Exact match	Tokyo, JapanHQ recorded Nov 6, 2026	10001+	2,238 contacts →
	Exact match “We are Japan’s global telecommunications pioneer and a Global Fortune 500 company, providing our international customer base with data centers, networks, content delivery, system…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,994 contacts →
	Exact match “IES Communications, a division of IES Holdings, Inc.(NASDAQ: IESC), is a national technology infrastructure integrator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Infinera	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,906 contacts →
	Exact match “Infinera is now part of Nokia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Congruex	Exact match	Boulder, CO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,715 contacts →
	Exact match “Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Telecon	Exact match	Montreal, QC, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,658 contacts →
	Exact match “From a regional telecom networks builder in 1967 in Quebec (Canada), Telecon has grown into a world-class industry-leading telecom networks design, infrastructure and connectivity…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Tulip Telecom	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,601 contacts →
	Exact match “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Pt. Mora Telematika Indonesia TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	1,573 contacts →
	Exact match “Moratelindo is part of PT Ekamas Mora RepublikTbk (MoraRepublic), one of Indonesia’s largest integrated infrastructure Telecommunication and connectivity providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Hotwire Communications LTD	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,493 contacts →
	Exact match “Hotwire Communications is a national leader in fiber optic technology, delivering advanced, customized telecommunications solutions to residential, commercial, senior-living…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Aerial Telecom Solutions	Exact match	Mohali, IndiaHQ recorded Nov 6, 2026	5,001-10,000	1,480 contacts →
	Exact match “Aerial Telecom Solutions Private Limited is a global systems integrator and technology partner, driving next-generation connectivity and digital transformation across diverse…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Airtel Kenya	Exact match	Nairobi, KenyaHQ recorded Nov 6, 2026	201-500	1,454 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
21	Alares Internet	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,370 contacts →
	Exact match “Somos uma operadora independente de telecomunicações, com sede na cidade de São Paulo/SP, que oferece serviços de internet de alta velocidade por fibra óptica, além de TV por…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	ZENER	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	5,001-10,000	1,358 contacts →
	Exact match “En Zener crecemos acelerando el crecimiento de nuestros clientes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	GTD Chile	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	1,001-5,000	1,295 contacts →
	Exact match “Gtd es una compañía de Telecomunicaciones y Servicios Tecnológicos, con más de 43 años de trayectoria y con presencia global en Chile, Perú, Colombia, Ecuador, México, Italia y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Subcom	Exact match	United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,276 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
25	ASN	Exact match	Les Ulis, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,263 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

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “terrestrial optical communication companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 9,031 terrestrial optical communication companies worldwide

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Terrestrial optical communication companies worldwide at a glance

As of Nov 6, 2026

18.9%Verified-email coverage

30.5Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · Shenzhen

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,943

11-50

3,439

51-200

1,658

201-500

508

501-1,000

185

1,001-5,000

150

5,001-10,000

10001+

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 terrestrial optical communication companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “terrestrial optical communication companies” 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 52,047 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.

Terrestrial optical communication companies by location

44 lists · largest first

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

Countries

Cities

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 “terrestrial optical communication companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many terrestrial optical communication companies are there worldwide?

RevenueBase identified 9,031 company matches for terrestrial optical communication companies 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?

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

Which country has the most terrestrial optical communication companies?

The United States leads with 1,405 companies, followed by Brazil (797) and France (405). Every terrestrial optical communication companies list by country and city is linked on this page.

Which city has the most terrestrial optical communication companies?

Shenzhen leads with 91 company records, followed by Sao Paulo (88) and London (49).

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 52,047 professional contacts with verified work emails tracked across these 9,031 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.