Company lists · Data refreshed September 2026

Top 25 Fiber optic network builders worldwide

Name: Fiber optic network builders worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 10,947 companies tracked

RevenueBase identified 10,947 company matches for fiber optic network builders worldwide as of September 2026 and tracks 292,148 professional contacts across them, including 74,198 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers company matches for fiber optic network builders 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 September 20, 2026. Country and city lists for fiber optic network builders 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 Sep 20, 2026 How this list was built

10,947Companies

292,148Contacts tracked

74,198Verified emails

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The 25 largest fiber optic network builders worldwide

Ranked by team size

Top 25 of 10,947 company matches for fiber optic network builders worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Openreach	Exact match	London, United KingdomHQ recorded Sep 20, 2026	10001+	13,395 contacts →
	Exact match “We’re the people who make the net work.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Frontier Internet	Exact match	Dallas, TX, United StatesHQ recorded Sep 20, 2026	10001+	11,368 contacts →
	Exact match “Frontier, a Verizon company, is one of the largest fiber providers in the U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	CIENA	Exact match	Hanover, MD, United StatesHQ recorded Sep 20, 2026	5,001-10,000	9,426 contacts →
	Exact match “Ciena (NYSE:CIEN) is the global leader in high-speed connectivity.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Serede	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 20, 2026	10001+	8,011 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 · Sep 20, 2026 · View company records in RevenueBase
5	STL	Exact match	Pune, IndiaHQ recorded Sep 20, 2026	1,001-5,000	5,391 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 · Sep 20, 2026 · View company records in RevenueBase
6	Viavi Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Sep 20, 2026	1,001-5,000	4,248 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 · Sep 20, 2026 · View company records in RevenueBase
7	ACT Fibernet	Exact match	Bangalore, IndiaHQ recorded Sep 20, 2026	5,001-10,000	3,876 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 · Sep 20, 2026 · View company records in RevenueBase
8	Mastec Communications Group	Exact match	Coral Gables, FL, United StatesHQ recorded Sep 20, 2026	5,001-10,000	3,207 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 · Sep 20, 2026 · View company records in RevenueBase
9	Zayo Group	Exact match	Denver, CO, United StatesHQ recorded Sep 20, 2026	5,001-10,000	2,948 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 · Sep 20, 2026 · View company records in RevenueBase
10	AFL	Exact match	Duncan, SC, United StatesHQ recorded Sep 20, 2026	1,001-5,000	2,813 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 · Sep 20, 2026 · View company records in RevenueBase
11	Converge ICT Solutions INC	Exact match	Pasig, PhilippinesHQ recorded Sep 20, 2026	1,001-5,000	2,431 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 · Sep 20, 2026 · View company records in RevenueBase
12	Desktop	Exact match	Sumaré, BrazilHQ recorded Sep 20, 2026	1,001-5,000	2,354 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 · Sep 20, 2026 · View company records in RevenueBase
13	Sogetrel	Exact match	Issy Les Moulineaux, FranceHQ recorded Sep 20, 2026	1,001-5,000	2,285 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 · Sep 20, 2026 · View company records in RevenueBase
14	Brightspeed	Exact match	Charlotte, NC, United StatesHQ recorded Sep 20, 2026	1,001-5,000	2,069 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 · Sep 20, 2026 · View company records in RevenueBase
15	Infinera	Exact match	San Jose, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,959 contacts →
	Exact match “Infinera is now part of Nokia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Metronet	Exact match	Evansville, IN, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,938 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 · Sep 20, 2026 · View company records in RevenueBase
17	Open Fiber	Exact match	Rome, ItalyHQ recorded Sep 20, 2026	1,001-5,000	1,818 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 · Sep 20, 2026 · View company records in RevenueBase
18	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,800 contacts →
	Exact match “IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Congruex	Exact match	Boulder, CO, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,676 contacts →
	Exact match “Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Telecon	Exact match	Montreal, QC, CanadaHQ recorded Sep 20, 2026	1,001-5,000	1,573 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 · Sep 20, 2026 · View company records in RevenueBase
21	Pt. Mora Telematika Indonesia TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Sep 20, 2026	1,001-5,000	1,510 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 · Sep 20, 2026 · View company records in RevenueBase
22	Cityfibre	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	1,460 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 · Sep 20, 2026 · View company records in RevenueBase
23	Excitel Broadband	Exact match	New Delhi, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,449 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 · Sep 20, 2026 · View company records in RevenueBase
24	Hotwire Communications LTD	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,420 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 · Sep 20, 2026 · View company records in RevenueBase
25	Aerial Telecom Solutions	Exact match	Mohali, IndiaHQ recorded Sep 20, 2026	5,001-10,000	1,388 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 · Sep 20, 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 network builders”. 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 10,947 fiber optic network builders worldwide

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Fiber optic network builders worldwide at a glance

As of Sep 20, 2026

25.4%Verified-email coverage

26.7Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Shenzhen

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

4,095

11-50

4,031

51-200

1,882

201-500

528

501-1,000

186

1,001-5,000

133

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 network builders are linked below.
What qualifies: Company records worldwide whose business descriptions match “fiber optic network builders” 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 74,198 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 September 20, 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 network builders by location

42 lists · largest first

Every Fiber optic network builders 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 network builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fiber optic network builders are there worldwide?

RevenueBase identified 10,947 company matches for fiber optic network builders worldwide as of September 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 network builders?

The United States leads with 2,449 companies, followed by Brazil (1,032) and the United Kingdom (685). Every fiber optic network builders list by country and city is linked on this page.

Which city has the most fiber optic network builders?

Shenzhen leads with 119 company records, followed by Sao Paulo (101) and London (78).

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 74,198 professional contacts with verified work emails tracked across these 10,947 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 September 20, 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.