Company lists · Data refreshed September 2026

Top 25 Enterprise network operators worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 6,584 companies tracked

RevenueBase identified 6,584 enterprise network operators worldwide as of September 2026 and tracks 139,354 professional contacts across them, including 39,797 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers enterprise network operators worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for enterprise network operators follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

6,584Companies

139,354Contacts tracked

39,797Verified emails

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The 25 largest enterprise network operators worldwide

Ranked by team size

Top 25 of 6,584 enterprise network operators worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise network operators: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Lumen Technologies	Partial evidence	Monroe, LA, United StatesHQ checked Sep 28, 2026	10001+	15,336 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
2	Viavi Solutions	Partial evidence	Chandler, AZ, United StatesHQ checked Sep 28, 2026	1,001-5,000	4,248 contacts →
	Partial evidence “VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions.” Source: RevenueBase Database · checked Sep 28, 2026
3	Black BOX	Partial evidence	Plano, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,667 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
4	GTT	Partial evidence	Arlington, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,933 contacts →
	Partial evidence “GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…” Source: RevenueBase Database · checked Sep 28, 2026
5	Cogent Communications	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,450 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
6	Converge ICT Solutions INC	Indirect evidence	Pasig, PhilippinesHQ checked Sep 28, 2026	1,001-5,000	2,431 contacts →
	Indirect evidence “Converge ICT Solutions, Inc.(PSE: CNVRG) is the fastest-growing broadband service and technology provider in the Philippines.” Source: RevenueBase Database · checked Sep 28, 2026
7	IES Communications	Indirect evidence	Tempe, AZ, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,800 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
8	Tulip Telecom	Partial evidence	New Delhi, IndiaHQ checked Sep 28, 2026	1,001-5,000	1,481 contacts →
	Partial evidence “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Source: RevenueBase Database · checked Sep 28, 2026
9	Aerial Telecom Solutions	Indirect evidence	Mohali, IndiaHQ checked Sep 28, 2026	5,001-10,000	1,388 contacts →
	Indirect evidence “Aerial Telecom Solutions Private Limited is a global systems integrator and technology partner, driving next-generation connectivity and digital transformation across diverse…” Source: RevenueBase Database · checked Sep 28, 2026
10	FLŌ Networks	Partial evidence	El Paso, TX, United StatesHQ checked Sep 28, 2026	501-1,000	1,250 contacts →
	Partial evidence “Today fast, flexible networks are the foundation of every successful organization.” Source: RevenueBase Database · checked Sep 28, 2026
11	Kelly Group	Indirect evidence	Wembley, United KingdomHQ checked Sep 28, 2026	1,001-5,000	1,053 contacts →
	Indirect evidence “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Source: RevenueBase Database · checked Sep 28, 2026
12	XO Communications	Indirect evidence	Herndon, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,000 contacts →
	Indirect evidence “XO Communications is a Verizon company that provides the technology that helps business and wholesale customers compete in a hyper-connected economy.” Source: RevenueBase Database · checked Sep 28, 2026
13	Value Point Systems PVT LTD	Indirect evidence	Bangalore, IndiaHQ checked Sep 28, 2026	1,001-5,000	943 contacts →
	Indirect evidence “Value Point Systems, one of the leading Digital Systems & Services Integrator company in South Asia.” Source: RevenueBase Database · checked Sep 28, 2026
14	NTG Clarity	Strong evidence	Markham, ON, CanadaHQ checked Sep 28, 2026	501-1,000	876 contacts →
	Strong evidence “NTG CLARITY is a leader in delivering network, telecom, IT and infrastructure solutions to network service providers and medium and large enterprises.” Source: RevenueBase Database · checked Sep 28, 2026
15	Allied Telesis	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	816 contacts →
	Indirect evidence “Our world is increasing in complexity.” Source: RevenueBase Database · checked Sep 28, 2026
16	Sparkle	Indirect evidence	Rome, ItalyHQ checked Sep 28, 2026	501-1,000	769 contacts →
	Indirect evidence “Sparkle is a global service provider offering a complete range of capacity, IP, SD-WAN, colocation, IoT connectivity, roaming and voice solutions designed to meet the ever…” Source: RevenueBase Database · checked Sep 28, 2026
17	Smartlink Group	Indirect evidence	Annapolis, MD, United StatesHQ checked Sep 28, 2026	501-1,000	689 contacts →
	Indirect evidence “Smartlink powers the digital infrastructure behind today’s connected world.” Source: RevenueBase Database · checked Sep 28, 2026
18	Exponential-E	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	667 contacts →
	Indirect evidence “Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Source: RevenueBase Database · checked Sep 28, 2026
19	Circet USA	Partial evidence	Kennesaw, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	637 contacts →
	Partial evidence “Circet USA is a leading builder of network infrastructure with services tailored to your specific needs, including the design, engineering, construction, and maintenance of data…” Source: RevenueBase Database · checked Sep 28, 2026
20	Bluecat	Partial evidence	Toronto, ON, CanadaHQ checked Sep 28, 2026	201-500	626 contacts →
	Partial evidence “BlueCat provides core services and solutions that help our customers and their teams deliver change-ready networks.” Source: RevenueBase Database · checked Sep 28, 2026
21	ONNEC	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	585 contacts →
	Indirect evidence “Onnec is a leading partner for IT Infrastructure design, installation and operational support services.” Source: RevenueBase Database · checked Sep 28, 2026
22	Arelion	Indirect evidence	Solna, SwedenHQ checked Sep 28, 2026	501-1,000	541 contacts →
	Indirect evidence “Arelion is a leading light in global connectivity services.” Source: RevenueBase Database · checked Sep 28, 2026
23	Cambium Networks	Strong evidence	Hoffman Estates, IL, United StatesHQ checked Sep 28, 2026	501-1,000	536 contacts →
	Strong evidence “Cambium Networks enables service providers, enterprises, industrial organizations, and governments to deliver exceptional digital experiences and device connectivity with…” Source: RevenueBase Database · checked Sep 28, 2026
24	Metrofibre	Indirect evidence	Highveld, South AfricaHQ checked Sep 28, 2026	501-1,000	504 contacts →
	Indirect evidence “MetroFibre is a carrier-class infrastructure company that provides highly managed, ultra-fast fibre optic broadband connectivity across South Africa.” Source: RevenueBase Database · checked Sep 28, 2026
25	Expereo	Partial evidence	Amsterdam, NetherlandsHQ checked Sep 28, 2026	201-500	492 contacts →
	Partial evidence “Expereo is a Manage Network as a Services company that connects people, places and things anywhere.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise network operators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise network operators.
Partial evidence: Its own public description names part of enterprise network operators, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise network operators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 6,584 enterprise network operators worldwide

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Enterprise network operators worldwide at a glance

As of Sep 28, 2026

28.6%Verified-email coverage

21.2Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,015

11-50

2,438

51-200

806

201-500

201

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise network operators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for enterprise network operators are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “enterprise network operators”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise network operators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among enterprise network operators, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 39,797 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Enterprise network operators by location

43 lists · largest first

Every Enterprise network operators 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise network operators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise network operators are there worldwide?

RevenueBase identified 6,584 enterprise network operators worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Lumen Technologies, headquartered in Monroe, tops this list with the largest team on record.

Which country has the most enterprise network operators?

The United States leads with 1,146 companies, followed by India (613) and Brazil (385). Every enterprise network operators list by country and city is linked on this page.

Which city has the most enterprise network operators?

Sao Paulo leads with 94 headquartered companies, followed by London (63) and Dubai (62).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 39,797 verified decision-maker contacts tracked across these 6,584 companies.

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 Smart Search, 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.