Company lists · Data refreshed September 2026

Top 25 Enterprise network infrastructure companies worldwide

Name: Enterprise network infrastructure companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 6,938 companies tracked

RevenueBase identified 6,938 company matches for enterprise network infrastructure companies worldwide as of September 2026 and tracks 339,392 professional contacts across them, including 85,818 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for enterprise network 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 September 28, 2026. Country and city lists for enterprise network 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 Sep 28, 2026 How this list was built

6,938Companies

339,392Contacts tracked

85,818Verified emails

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The 25 largest enterprise network infrastructure companies worldwide

Ranked by team size

Top 25 of 6,938 company matches for enterprise network infrastructure companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Tata Communications	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	5,001-10,000	22,941 contacts →
	Exact match “Tata Communications is a leading global communications technology player, enabling enterprises to operate, grow, and transform in an increasingly hyperconnected world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Centurylink	Exact match	Monroe, LA, United StatesHQ recorded Sep 28, 2026	10001+	22,745 contacts →
	Exact match “CenturyLink (NYSE: CTL) is a technology leader delivering hybrid networking, cloud connectivity, and security solutions to customers around the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Lumen Technologies	Exact match	Monroe, LA, United StatesHQ recorded Sep 28, 2026	10001+	15,336 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 · Sep 28, 2026 · View company records in RevenueBase
4	Equinix	Exact match	Redwood City, CA, United StatesHQ recorded Sep 28, 2026	10001+	13,641 contacts →
	Exact match “Equinix (Nasdaq: EQIX) is the world’s digital infrastructure company®, enabling digital leaders to harness a trusted platform to bring together and interconnect the foundational…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Juniper Networks	Exact match	Sunnyvale, CA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	13,144 contacts →
	Exact match “Juniper Networks is leading the revolution in networking, making it one of the most exciting technology companies in Silicon Valley today.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	CIENA	Exact match	Hanover, MD, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
7	Windstream	Exact match	Little Rock, AR, United StatesHQ recorded Sep 28, 2026	10001+	7,275 contacts →
	Exact match “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Colt Technology Services	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	6,233 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 · Sep 28, 2026 · View company records in RevenueBase
9	STL	Exact match	Pune, IndiaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
10	Arista Networks	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	5,101 contacts →
	Exact match “Arista Networks is an industry leader in data-driven, client to cloud networking for large data center/AI, campus and routing environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Viavi Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
12	D-Link USA	Exact match	Lake Forest, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,955 contacts →
	Exact match “One Connection-Infinite Possibilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Circet	Exact match	Paris, FranceHQ recorded Sep 28, 2026	10001+	3,901 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 · Sep 28, 2026 · View company records in RevenueBase
14	Black BOX	Exact match	Plano, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,667 contacts →
	Exact match “Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Zayo Group	Exact match	Denver, CO, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
16	Alcatel-Lucent Enterprise	Exact match	92707 Colombes, GermanyHQ recorded Sep 28, 2026	1,001-5,000	2,811 contacts →
	Exact match “Alcatel-Lucent Enterprise provides secure networking and communication solutions which enable organizations and industries to accelerate their operational efficiencies and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	GTL Limited	Exact match	Navi Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	2,780 contacts →
	Exact match “GTL, a Global Group Enterprise, is a leading Network Services company, offering services and solutions to address the Network Life Cycle requirements of Telecom Operators…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Hughes	Exact match	Germantown, MD, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,459 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 · Sep 28, 2026 · View company records in RevenueBase
19	Sogetrel	Exact match	Issy Les Moulineaux, FranceHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
20	Cirion Technologies	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,996 contacts →
	Exact match “We are the digital backbone of Latin America.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Infinera	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,959 contacts →
	Exact match “Infinera is now part of Nokia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
23	Congruex	Exact match	Boulder, CO, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
24	Telecon	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
25	Pt. Mora Telematika Indonesia TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Sep 28, 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 28, 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 “enterprise network infrastructure 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 6,938 enterprise network infrastructure companies worldwide

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Enterprise network infrastructure companies worldwide at a glance

As of Sep 28, 2026

25.3%Verified-email coverage

48.9Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,716

11-50

2,632

51-200

953

201-500

312

501-1,000

103

1,001-5,000

122

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 enterprise network infrastructure companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “enterprise network 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 85,818 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 28, 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.

Enterprise network infrastructure companies by location

42 lists · largest first

Every Enterprise network 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 “enterprise network infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise network infrastructure companies are there worldwide?

RevenueBase identified 6,938 company matches for enterprise network infrastructure companies 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?

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

Which country has the most enterprise network infrastructure companies?

The United States leads with 1,099 companies, followed by India (609) and Brazil (480). Every enterprise network infrastructure companies list by country and city is linked on this page.

Which city has the most enterprise network infrastructure companies?

Sao Paulo leads with 107 company records, followed by London (87) and Dubai (73).

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 85,818 professional contacts with verified work emails tracked across these 6,938 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 28, 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.