Company lists · Data refreshed November 2026

Top 25 Fiber optic infrastructure companies worldwide

RevenueBase identified 9,534 company matches for fiber optic infrastructure companies worldwide as of November 2026 and tracks 286,742 professional contacts across them, including 74,011 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers company matches for fiber optic infrastructure 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 fiber optic infrastructure 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
9,534Companies
286,742Contacts tracked
74,011Verified emails
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The 25 largest fiber optic infrastructure companies worldwide

Ranked by team size
Top 25 of 9,534 company matches for fiber optic infrastructure 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+14,231 contacts →

Exact match

“We’re the people who make the net work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202610001+11,739 contacts →

Exact match

“Frontier, a Verizon company, is one of the largest fiber providers in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchReading, United KingdomHQ recorded Nov 6, 202610001+7,455 contacts →

Exact match

“We’re in the process of growing all parts of our business so we can connect more customers to the things and to the people they care about.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPune, IndiaHQ recorded Nov 6, 20261,001-5,0005,464 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBangalore, IndiaHQ recorded Nov 6, 20265,001-10,0004,047 contacts →

Exact match

“ACT (Atria Convergence Technologies Ltd.) was born out of a vision to become the most admired in-home entertainment, education, and interactive services provider in India, back in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDenver, CO, United StatesHQ recorded Nov 6, 20265,001-10,0003,886 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
7Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 20265,001-10,0003,416 contacts →

Exact match

“MasTec Communications Group (MCG) is a division of MasTec that provides comprehensive services and turnkey solutions for Telecom operators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDuncan, United StatesHQ recorded Nov 6, 20261,001-5,0003,024 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPasig, PhilippinesHQ recorded Nov 6, 20261,001-5,0002,967 contacts →

Exact match

“Converge ICT Solutions, Inc.(PSE: CNVRG) is the fastest-growing broadband service and technology provider in the Philippines.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Nov 6, 202610001+2,740 contacts →

Exact match

“FiberCop gestisce l’infrastruttura di rete più estesa e capillare d’Italia, con circa 28 milioni di chilometri di fibra ottica e una copertura a banda ultralarga che supera il 96%…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSumaré, BrazilHQ recorded Nov 6, 20261,001-5,0002,521 contacts →

Exact match

“A Desktop é uma empresa de telecomunicação comprometida em conectar você ao futuro com velocidade, estabilidade e inovação!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 20261,001-5,0002,219 contacts →

Exact match

“We’re Brightspeed, a fiber internet provider on a mission to bring more connectivity to America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchEvansville, IN, United StatesHQ recorded Nov 6, 20261,001-5,0002,100 contacts →

Exact match

“Metronet, the nation's fastest-growing fiber-to-the-home builder, is now owned by a joint venture of T-Mobile, America's 5G leader, and KKR, the global investment firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0002,001 contacts →

Exact match

“V.tal is a global end-to-end digital infrastructure solutions company and owner of the largest neutral fiber optic network in Brazil, serving telecom operators, internet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRome, ItalyHQ recorded Nov 6, 20261,001-5,0001,865 contacts →

Exact match

“Open Fiber nasce a dicembre 2016 con l’obiettivo di realizzare un’infrastruttura di rete a banda ultra larga (BUL) in fibra ottica FTTH (Fiber To The Home) in tutte le regioni…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 20261,001-5,0001,715 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
17Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 20261,001-5,0001,658 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
18Exact matchJakarta Pusat, IndonesiaHQ recorded Nov 6, 20261,001-5,0001,573 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
19Exact matchTürkiyeHQ recorded Nov 6, 2026501-1,0001,547 contacts →

Exact match

“Turkcell Superonline is "#1 Alternative Telecommunications operator" and "Fastest Growing ICT Company for the last 3 years"(according to the latest ICT500/Turkey listing published…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,0001,545 contacts →

Exact match

“We started our journey in 2015 with a single mission - Bringing world class broadband experience to each Indian household.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20265,001-10,0001,522 contacts →

Exact match

“Somos a quarta maior empresa em número de assinantes e extensão de fibra óptica do País e o maior player independente neste segmento.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,493 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
23Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,431 contacts →

Exact match

“At CityFibre, we’re building a new, intelligent, open-access fibre network, purpose built for the data age.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLittle Rock, AR, United StatesHQ recorded Nov 6, 2026501-1,0001,428 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMattoon, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,414 contacts →

Exact match

“On Sept.”

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

Showing 25 of 9,534 fiber optic infrastructure companies worldwide

See the full list, filter by size, metro and specialty, and access 74,011 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fiber optic infrastructure companies worldwide at a glance

As of Nov 6, 2026
25.8%Verified-email coverage
30.1Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Shenzhen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,182
11-50
3,533
51-200
1,832
201-500
485
501-1,000
184
1,001-5,000
144
5,001-10,000
14
10001+
25

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 infrastructure companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “fiber optic infrastructure 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 74,011 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.

Fiber optic infrastructure companies by location

40 lists · largest first

Every Fiber optic infrastructure 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 “fiber optic infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fiber optic infrastructure companies are there worldwide?

RevenueBase identified 9,534 company matches for fiber optic infrastructure 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?

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

Which country has the most fiber optic infrastructure companies?

The United States leads with 1,958 companies, followed by Brazil (1,066) and Germany (506). Every fiber optic infrastructure companies list by country and city is linked on this page.

Which city has the most fiber optic infrastructure companies?

Shenzhen leads with 112 company records, followed by Sao Paulo (96) and London (62).

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 74,011 professional contacts with verified work emails tracked across these 9,534 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.