Company lists · Data refreshed November 2026

Top 25 Enterprise communication solutions providers worldwide

Name: Enterprise communication solutions providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 13,530 companies tracked

RevenueBase identified 13,530 company matches for enterprise communication solutions providers worldwide as of November 2026 and tracks 367,407 professional contacts across them, including 84,646 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for enterprise communication solutions 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 5, 2026. Country and city lists for enterprise communication solutions 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 5, 2026 How this list was built

13,530Companies

367,407Contacts tracked

84,646Verified emails

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The 25 largest enterprise communication solutions providers worldwide

Ranked by team size

Top 25 of 13,530 company matches for enterprise communication solutions providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 Nov 5, 2026	5,001-10,000	23,951 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 · Nov 5, 2026 · View company records in RevenueBase
2	Turkcell	Exact match	Istanbul, TürkiyeHQ recorded Nov 5, 2026	5,001-10,000	13,929 contacts →
	Exact match “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	AVAYA	Exact match	Morristown, United StatesHQ recorded Nov 5, 2026	5,001-10,000	11,344 contacts →
	Exact match “At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Windstream	Exact match	Little Rock, AR, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
5	Vodafone Business	Exact match	London, United KingdomHQ recorded Nov 5, 2026	10001+	6,808 contacts →
	Exact match “Vodafone Business is part of the Vodafone Group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Ringcentral	Exact match	Belmont, United StatesHQ recorded Nov 5, 2026	5,001-10,000	6,795 contacts →
	Exact match “RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Cable ONE	Exact match	Phoenix, AZ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	5,608 contacts →
	Exact match “Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Spark NEW Zealand	Exact match	Cbd, New ZealandHQ recorded Nov 5, 2026	5,001-10,000	4,233 contacts →
	Exact match “In today’s fast-paced digital world, Spark is here to help all New Zealanders stay ahead.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Spectrum Business	Exact match	Stamford, CT, United StatesHQ recorded Nov 5, 2026	10001+	4,135 contacts →
	Exact match “Our story starts with understanding that connectivity powers everything you do, and we make it stronger.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	MITEL	Exact match	Kanata, ON, CanadaHQ recorded Nov 5, 2026	1,001-5,000	3,738 contacts →
	Exact match “Powering more than 2 billion connections every day, Mitel helps businesses connect, collaborate and take care of customers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Airtel Business	Exact match	Gurgaon, IndiaHQ recorded Nov 5, 2026	10001+	2,862 contacts →
	Exact match “The B2B arm of Bharti Airtel, we are India's leading provider of secure and reliable connectivity, technology, and communications solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Starhub	Exact match	SingaporeHQ recorded Nov 5, 2026	1,001-5,000	2,798 contacts →
	Exact match “StarHub is a leading homegrown Singapore company that connects people, businesses and communities to the possibilities of the digital world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	TCS	Exact match	Jefferson City, MO, United StatesHQ recorded Nov 5, 2026	n/a	2,787 contacts →
	Exact match “With In-store media solutions to help you connect with your customers and grow your business, TCS delivers communication solutions that will take your business to the next level.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Diversified	Exact match	Plano, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,744 contacts →
	Exact match “At Diversified, we leverage the best in technology and ongoing advisory services to transform businesses.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Echostar Corporation	Exact match	Englewood, CO, United StatesHQ recorded Nov 5, 2026	10001+	2,733 contacts →
	Exact match “EchoStar Corporation (Nasdaq: SATS) is a premier provider of technology, networking services, television entertainment and connectivity, offering consumer, enterprise, operator…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Spread Tecnologia	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	1,001-5,000	2,714 contacts →
	Exact match “With over 30 years of experience in Information and Communication Technology market, the Spread has extensive experience and expertise in the field and has the challenge of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	GOTO	Exact match	Boston, MA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,412 contacts →
	Exact match “As the leader in cloud communications and IT, GoTo addresses real-world challenges with practical innovations and a customer-first mindset.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Granite Telecommunications	Exact match	Quincy, MA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,395 contacts →
	Exact match “Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,994 contacts →
	Exact match “IES Communications, a division of IES Holdings, Inc.(NASDAQ: IESC), is a national technology infrastructure integrator.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Unifique	Exact match	Timbó, BrazilHQ recorded Nov 5, 2026	1,001-5,000	1,962 contacts →
	Exact match “Somos uma empresa de telecomunicações com 28 anos de atuação.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Polycom	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,954 contacts →
	Exact match “Plantronics and Polycom are now Poly.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	ASCOM	Exact match	Baar, SwitzerlandHQ recorded Nov 5, 2026	1,001-5,000	1,836 contacts →
	Exact match “Our vision is a world where the right information moves people forward.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	EOS IT Solutions	Exact match	Banbridge, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	1,683 contacts →
	Exact match “EOS IT Solutions is a global technology and logistics provider delivering collaboration, IT, and managed services to leading organizations worldwide.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	GAMMA	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	1,631 contacts →
	Exact match “Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Tulip Telecom	Exact match	New Delhi, IndiaHQ recorded Nov 5, 2026	1,001-5,000	1,601 contacts →
	Exact match “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Recorded in the RevenueBase company graph · Nov 5, 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 communication solutions 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 13,530 enterprise communication solutions providers worldwide

See the full list, filter by size, metro and specialty, and access 84,646 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise communication solutions providers worldwide at a glance

As of Nov 5, 2026

23.0%Verified-email coverage

27.2Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

5,814

11-50

5,350

51-200

1,570

201-500

358

501-1,000

120

1,001-5,000

130

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 communication solutions providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “enterprise communication solutions 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 84,646 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 5, 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 communication solutions providers by location

87 lists · largest first

Every Enterprise communication solutions 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 “enterprise communication solutions providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise communication solutions providers are there worldwide?

RevenueBase identified 13,530 company matches for enterprise communication solutions 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?

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 communication solutions providers?

The United States leads with 3,461 companies, followed by the United Kingdom (1,235) and Brazil (682). Every enterprise communication solutions providers list by country and city is linked on this page.

Which city has the most enterprise communication solutions providers?

London leads with 177 company records, followed by Sao Paulo (159) and New York (89).

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 84,646 professional contacts with verified work emails tracked across these 13,530 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 5, 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.