Company lists · Data refreshed September 2026
Top 25 Enterprise connectivity providers worldwide
RevenueBase identified 885 enterprise connectivity providers worldwide as of September 2026 and tracks 114,276 professional contacts across them, including 29,785 with verified work emails and 36,998 with mobile numbers. The United States is the largest market and London the largest hub.
This list covers enterprise connectivity providers 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 2, 2026. Country and city lists for enterprise connectivity providers 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.
The 25 largest enterprise connectivity providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 22,865 contacts → | ||||
Partial evidence “CenturyLink (NYSE: CTL) is a technology leader delivering hybrid networking, cloud connectivity, and security solutions to customers around the world.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 2 | 15,743 contacts → | ||||
Indirect 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 2, 2026Thanks. The Data Team will review it. | |||||
| 3 | 12,834 contacts → | ||||
Indirect evidence “You’re more than a business, agency or organization leader.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 4 | 7,315 contacts → | ||||
Indirect evidence “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 5 | 6,335 contacts → | ||||
Indirect evidence “Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 6 | 3,030 contacts → | ||||
Partial evidence “Our story starts with understanding that connectivity powers everything you do, and we make it stronger.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,970 contacts → | ||||
Indirect 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 2, 2026Thanks. The Data Team will review it. | |||||
| 8 | 2,432 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 2, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 2, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,005 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 2, 2026Thanks. The Data Team will review it. | |||||
| 11 | 961 contacts → | ||||
Partial evidence “Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions…” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 12 | 661 contacts → | ||||
Indirect evidence “Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 13 | 599 contacts → | ||||
Partial evidence “PXC is the UK’s leading wholesale provider of innovative solutions for connectivity, voice, cloud and security, underpinned by the UK’s most robust, secure, resilient and reliable…” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 14 | 591 contacts → | ||||
Indirect evidence “Uniti Fiber is a wholly owned subsidiary of Uniti Group,a publicly traded Real Estate Investment Trust (REIT).” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 2, 2026Thanks. The Data Team will review it. | |||||
| 16 | 517 contacts → | ||||
Indirect evidence “Zen is a B Corp certified telecommunications and technology service provider in the UK.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 17 | 486 contacts → | ||||
Indirect evidence “Expereo is a Manage Network as a Services company that connects people, places and things anywhere.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 18 | 472 contacts → | ||||
Indirect evidence “We free IT leaders to do what matters.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 19 | 423 contacts → | ||||
Indirect evidence “Fusion Connect, an industry leading cloud communications provider, removes complexity so customers can focus on running their business.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 20 | 406 contacts → | ||||
Indirect evidence “AXIANS is the corporate brand for network infrastrucutures and corporate communications of VINCI Energies, one of the leading European providers of energy and information…” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 21 | 385 contacts → | ||||
Indirect evidence “China Telecom (Americas) Corporation (CTA) provides customized, cost-effective and integrated network and communication solutions to its diverse base of customers.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 22 | 371 contacts → | ||||
Indirect evidence “LOGIX FIBER NETWORKS is a well-established Texas-based provider of telecommunications services since 1983.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 23 | 361 contacts → | ||||
Indirect evidence “ENA by Zayo delivers innovative technology solutions supported by exceptional customer care.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 24 | 290 contacts → | ||||
Indirect evidence “Há 23 anos no mercado, somos a primeira empresa de Internet e Telecomunicações da Região Serrana do Rio de Janeiro e pioneira no uso de Fibra Óptica no Brasil.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
| 25 | 268 contacts → | ||||
Partial evidence “We’re here to power the ambitions of London enterprises with a dedicated 100Gbps fibre network, managed IT and cybersecurity services.” Source: RevenueBase Database · checked Sep 2, 2026Thanks. The Data Team will review it. | |||||
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 connectivity providers. 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 connectivity providers.
- Partial evidence
- Its own public description names part of enterprise connectivity providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name enterprise connectivity providers. 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 885 enterprise connectivity providers worldwide
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 29,785 reachable decision-makers.
Free signup · no credit card
Enterprise connectivity providers worldwide at a glance
As of Sep 2, 2026Companies by employee count
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 connectivity providers, 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
- 8 countries, largest first: the United States, Brazil, the United Kingdom, India, France, Germany, Australia, the Netherlands. Country and city lists for enterprise connectivity providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “enterprise connectivity providers”. 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 connectivity providers), 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 connectivity providers, 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, 29,785 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 between September 2, 2026 and September 14, 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 connectivity providers by location
9 lists · largest firstEvery Enterprise connectivity providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Enterprise connectivity providers based in the United States349
- Enterprise connectivity providers based in Brazil158
- Enterprise connectivity providers based in the United Kingdom112
- Enterprise connectivity providers based in India90
- Enterprise connectivity providers based in France51
- Enterprise connectivity providers based in Germany46
- Enterprise connectivity providers based in Australia40
- Enterprise connectivity providers based in the Netherlands39
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 connectivity providers, 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 connectivity providers are there worldwide?
RevenueBase identified 885 enterprise connectivity providers 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?
Centurylink, headquartered in Monroe, tops this list with the largest team on record.
Which country has the most enterprise connectivity providers?
The United States leads with 349 companies, followed by Brazil (158) and the United Kingdom (112). Every enterprise connectivity providers list by country and city is linked on this page.
Which city has the most enterprise connectivity providers?
London leads with 28 headquartered companies, followed by Sao Paulo (18) and New York (16).
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 29,785 verified decision-maker contacts tracked across these 885 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 2, 2026 and September 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 885 enterprise connectivity 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 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.