Company lists · Data refreshed October 2026

Top 25 Fiber optic communication system suppliers worldwide

Name: Fiber optic communication system suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 6,923 companies tracked

RevenueBase identified 6,923 company matches for fiber optic communication system suppliers worldwide as of October 2026 and tracks 320,018 professional contacts across them, including 89,596 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers company matches for fiber optic communication system 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 October 25, 2026. Country and city lists for fiber optic communication system 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 Oct 25, 2026 How this list was built

6,923Companies

320,018Contacts tracked

89,596Verified emails

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The 25 largest fiber optic communication system suppliers worldwide

Ranked by team size

Top 25 of 6,923 company matches for fiber optic communication system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	NOKIA	Exact match	Espoo, FinlandHQ recorded Oct 25, 2026	10001+	124,185 contacts →
	Exact match “Nokia is a global leader in connectivity for the AI era.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	CIENA	Exact match	Hanover, MD, United StatesHQ recorded Oct 25, 2026	5,001-10,000	9,842 contacts →
	Exact match “Ciena (NYSE:CIEN) is the global leader in high-speed connectivity.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	STL	Exact match	Pune, IndiaHQ recorded Oct 25, 2026	1,001-5,000	5,342 contacts →
	Exact match “STL is a global leader in advanced connectivity solutions, providing end-to-end solutions for building AI-ready infrastructure, FTTx, Rural, Enterprise and Data Centre networks.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Gaotek INC	Exact match	New York, NY, United StatesHQ recorded Oct 25, 2026	n/a	4,734 contacts →
	Exact match “GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Fiberhome	Exact match	Wuhan, ChinaHQ recorded Oct 25, 2026	10001+	4,728 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 · Oct 25, 2026 · View company records in RevenueBase
6	Viavi Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Oct 25, 2026	1,001-5,000	4,568 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 · Oct 25, 2026 · View company records in RevenueBase
7	Zayo Group	Exact match	Denver, CO, United StatesHQ recorded Oct 25, 2026	5,001-10,000	3,783 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 · Oct 25, 2026 · View company records in RevenueBase
8	Hfcl Limited	Exact match	New Delhi, IndiaHQ recorded Oct 25, 2026	1,001-5,000	3,206 contacts →
	Exact match “HFCL is a leading technology company specialising in creating digital networks for telcos, enterprises and governments.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Tejas Networks	Exact match	Bangalore, IndiaHQ recorded Oct 25, 2026	1,001-5,000	3,183 contacts →
	Exact match “Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	AFL	Exact match	Duncan, SC, United StatesHQ recorded Oct 25, 2026	1,001-5,000	2,958 contacts →
	Exact match “Founded in 1984, AFL is a global manufacturer providing end-to-end solutions to the energy, broadband, data center, AI and industrial markets.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Sirti S.P.A	Exact match	Sesto San Giovanni (mi), ItalyHQ recorded Oct 25, 2026	1,001-5,000	2,358 contacts →
	Exact match “Sirti is Italy's leading technology company in the design and production of network infrastructures and telecoms system integration.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Sogetrel	Exact match	Issy Les Moulineaux, FranceHQ recorded Oct 25, 2026	1,001-5,000	2,291 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 · Oct 25, 2026 · View company records in RevenueBase
13	Huber Suhner	Exact match	Herisau, SwitzerlandHQ recorded Oct 25, 2026	1,001-5,000	2,050 contacts →
	Exact match “HUBER+SUHNER designs and builds components and system solutions for electrical and optical connectivity.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,887 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 · Oct 25, 2026 · View company records in RevenueBase
15	Pt. Mora Telematika Indonesia TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Oct 25, 2026	1,001-5,000	1,570 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 · Oct 25, 2026 · View company records in RevenueBase
16	Telecon	Exact match	Montreal, QC, CanadaHQ recorded Oct 25, 2026	1,001-5,000	1,560 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 · Oct 25, 2026 · View company records in RevenueBase
17	Hotwire Communications LTD	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,460 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 · Oct 25, 2026 · View company records in RevenueBase
18	Uniti Group INC	Exact match	Little Rock, AR, United StatesHQ recorded Oct 25, 2026	501-1,000	1,402 contacts →
	Exact match “Uniti is a premier insurgent fiber provider dedicated to enabling mission-critical connectivity across the United States.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	LS Cable & System	Exact match	Anyang-si, South KoreaHQ recorded Oct 25, 2026	5,001-10,000	1,391 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	ADC	Exact match	Eden Prairie, MN, United StatesHQ recorded Oct 25, 2026	5,001-10,000	1,357 contacts →
	Exact match “We help the world communicate, supplying network equipment, software solutions, and integration services for broadband, multiservice networks that deliver data, video, and voice…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	ASN	Exact match	Les Ulis, FranceHQ recorded Oct 25, 2026	1,001-5,000	1,236 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 · Oct 25, 2026 · View company records in RevenueBase
22	Subcom	Exact match	United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,235 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 · Oct 25, 2026 · View company records in RevenueBase
23	Shentel	Exact match	Edinburg, VA, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,196 contacts →
	Exact match “Shentel has been keeping communities connected since 1902.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	Kelly Group	Exact match	Wembley, United KingdomHQ recorded Oct 25, 2026	1,001-5,000	1,111 contacts →
	Exact match “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	SEGRA	Exact match	Charlotte, NC, United StatesHQ recorded Oct 25, 2026	1,001-5,000	993 contacts →
	Exact match “Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions…” Recorded in the RevenueBase company graph · Oct 25, 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 “fiber optic communication system suppliers”. 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 6,923 fiber optic communication system suppliers worldwide

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Fiber optic communication system suppliers worldwide at a glance

As of Oct 25, 2026

28.0%Verified-email coverage

46.2Average contacts per company

11-50Median size (employees)

3.1%Largest-city concentration · Shenzhen

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

2,120

11-50

2,528

51-200

1,429

201-500

468

501-1,000

166

1,001-5,000

135

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 fiber optic communication system suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “fiber optic communication system 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 89,596 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 October 25, 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.

Fiber optic communication system suppliers by location

31 lists · largest first

Every Fiber optic communication system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Fiber optic communication system suppliers based in London, United Kingdom43

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 “fiber optic communication system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fiber optic communication system suppliers are there worldwide?

RevenueBase identified 6,923 company matches for fiber optic communication system suppliers worldwide as of October 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?

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

Which country has the most fiber optic communication system suppliers?

The United States leads with 1,072 companies, followed by China (640) and Brazil (492). Every fiber optic communication system suppliers list by country and city is linked on this page.

Which city has the most fiber optic communication system suppliers?

Shenzhen leads with 215 company records, followed by Sao Paulo (55) and London (46).

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 89,596 professional contacts with verified work emails tracked across these 6,923 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 October 25, 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.