Company lists · Data verified August 2026

Top 25 Cloud communication software companies based in the United States

Name: Cloud communication software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 827 companies tracked

There are 827 cloud communication software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 39,661 professional contacts across them, including 12,952 with verified work emails and 10,283 with mobile numbers. New York is the largest hub.

This list covers cloud communication software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

827Companies

39,661Contacts tracked

12,952Verified emails

10,283Mobile numbers

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The 25 largest cloud communication software companies based in the United States

Ranked by team size

Top 25 of 827 cloud communication software companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	ZOOM	Overland Park, KS	5,001-10,000	9,821	3,598
2	Vonage	Holmdel, NJ	1,001-5,000	3,512	1,736
3	GOTO	Boston, MA	1,001-5,000	2,325	1,286
4	Polycom	Andover, MA	1,001-5,000	1,783	64
5	Intermedia Intelligent Communications	Sunnyvale, CA	1,001-5,000	1,251	672
6	Integra	Vancouver, WA	501-1,000	1,134	24
7	CNT	Minneapolis, MN	1,001-5,000	1,063	1
8	Ooma, INC	Sunnyvale, CA	501-1,000	604	286
9	SKYPE	Redmond, WA	10001+	437	64
10	Real Time Data Services	Pompano Beach, FL	501-1,000	433	296
11	Spectrumvoip	Plano, TX	201-500	425	167
12	Fusion Connect	Atlanta, GA	201-500	423	264
13	phone.com	Poway, CA	201-500	396	52
14	Wildix	Columbus, OH	201-500	337	166
15	Inteliquent, A Sinch Company	Chicago, IL	501-1,000	326	147
16	ZOOM	San Jose, CA	5,001-10,000	288	184
17	Bluejeans By Verizon	San Jose, CA	501-1,000	266	6
18	Broadsoft	Gaithersburg, MD	1,001-5,000	251	42
19	Dialogic	Parsippany, NJ	201-500	242	24
20	Voximplant	Palo Alto, CA	201-500	192	87
21	Connx INC	Plainsboro, NJ	201-500	183	89
22	Vertical Communications	Tempe, AZ	201-500	174	69
23	Tadiran Telecom	Kennesaw, GA	201-500	172	33
24	Voip Office	Troy, MI	201-500	165	39
25	Vcloud	Las Vegas	501-1,000	137	54

Showing 25 of 827 cloud communication software companies based in the United States

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Cloud communication software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 21 HQs

10,283Contacts with mobile numbers

56Emails re-verified in last 30 days

Companies by employee count

1-10

275

11-50

337

51-200

140

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Cloud communication software companies by metro

Metro	Companies
Cloud communication software companies in New York	21
Cloud communication software companies in Miami	20
Cloud communication software companies in Austin	17
Cloud communication software companies in Houston	15
Cloud communication software companies in Atlanta	15
Cloud communication software companies in Tampa	13
Cloud communication software companies in Dallas	13
Cloud communication software companies in San Jose	12

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cloud communication software companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 56 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cloud communication software companies are there based in the United States?

There are 827 cloud communication software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

ZOOM, headquartered in Overland Park, tops this list with the largest team on record.

Which city has the most cloud communication software companies?

New York leads with 21 headquartered companies, followed by Miami (20) and Austin (17).

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 12,952 verified decision-maker contacts tracked across these 827 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.