Company lists · Data refreshed November 2026

Top 25 Optical network providers worldwide

Name: Optical network providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 12,448 companies tracked

RevenueBase identified 12,448 company matches for optical network providers worldwide as of November 2026 and tracks 587,870 professional contacts across them, including 146,766 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for optical network providers 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 optical network providers 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

12,448Companies

587,870Contacts tracked

146,766Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest optical network providers worldwide

Ranked by team size

Top 25 of 12,448 company matches for optical network providers 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	NOKIA	Exact match	Espoo, FinlandHQ recorded Nov 6, 2026	10001+	127,088 contacts →
	Exact match “Nokia is a global leader in connectivity for the AI era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Centurylink	Exact match	Monroe, LA, United StatesHQ recorded Nov 6, 2026	10001+	23,689 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Lumen Technologies	Exact match	Monroe, LA, United StatesHQ recorded Nov 6, 2026	10001+	16,043 contacts →
	Exact match “Lumen is the trusted network for the AI-powered world, connecting people, data, and applications through one of the world’s most expansive fiber networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Frontier Internet	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	10001+	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
5	CIENA	Exact match	Hanover, QC, United StatesHQ recorded Nov 6, 2026	5,001-10,000	10,151 contacts →
	Exact match “Ciena (NYSE:CIEN) is the global leader in high-speed connectivity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	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
8	Colt Technology Services	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	6,665 contacts →
	Exact match “Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	STL	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	1,001-5,000	5,464 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
10	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
11	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
12	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
13	ACT Fibernet	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	5,001-10,000	4,047 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
14	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
15	Mastec Communications Group	Exact match	Coral Gables, FL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,416 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
16	AFL	Exact match	Duncan, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,024 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
17	Converge ICT Solutions INC	Exact match	Pasig, PhilippinesHQ recorded Nov 6, 2026	1,001-5,000	2,967 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
18	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
19	Cogent Communications	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,523 contacts →
	Exact match “Cogent is one of the world's largest Internet Service Providers, delivering high quality Internet, Ethernet, Transport, and Colocation services to more than 138,025 Enterprise and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Desktop	Exact match	Sumaré, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,521 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
21	Sirti S.P.A	Exact match	Sesto San Giovanni (mi), ItalyHQ recorded Nov 6, 2026	1,001-5,000	2,442 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 · Nov 6, 2026 · View company records in RevenueBase
22	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
23	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
24	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
25	Metronet	Exact match	Evansville, IN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,100 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

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 “optical network providers”. 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 12,448 optical network providers worldwide

See the full list, filter by size, metro and specialty, and access 146,766 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Optical network providers worldwide at a glance

As of Nov 6, 2026

25.0%Verified-email coverage

47.2Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,344

11-50

4,638

51-200

2,174

201-500

618

501-1,000

238

1,001-5,000

201

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 optical network providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “optical network providers” 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 146,766 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.

Optical network providers by location

62 lists · largest first

Every Optical network providers 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 “optical network providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many optical network providers are there worldwide?

RevenueBase identified 12,448 company matches for optical network providers 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?

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

Which country has the most optical network providers?

The United States leads with 2,072 companies, followed by Brazil (1,544) and the United Kingdom (669). Every optical network providers list by country and city is linked on this page.

Which city has the most optical network providers?

Sao Paulo leads with 145 company records, followed by Shenzhen (102) and London (90).

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 146,766 professional contacts with verified work emails tracked across these 12,448 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 12,448 optical network providers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.