Company lists · Data verified August 2026

Top 25 Cloud communications platforms based in the United States

Name: Cloud communications platforms 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 625 companies tracked

There are 625 cloud communications platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 34,598 professional contacts across them, including 12,099 with verified work emails and 9,450 with mobile numbers. New York is the largest hub.

This list covers cloud communications platforms 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.

625Companies

34,598Contacts tracked

12,099Verified emails

9,450Mobile numbers

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The 25 largest cloud communications platforms based in the United States

Ranked by team size

Top 25 of 625 cloud communications platforms 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	Ooma, INC	Sunnyvale, CA	501-1,000	604	286
8	Masergy	Plano, TX	501-1,000	485	222
9	SKYPE	Redmond, WA	10001+	437	64
10	Momentum	Brentwood, TN	501-1,000	432	251
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	ZOOM	San Jose, CA	5,001-10,000	288	184
16	Bluejeans By Verizon	San Jose, CA	501-1,000	266	6
17	Broadsoft	Gaithersburg, MD	1,001-5,000	251	42
18	Dialogic	Parsippany, NJ	201-500	242	24
19	Voximplant	Palo Alto, CA	201-500	192	87
20	Vertical Communications	Tempe, AZ	201-500	174	69
21	Voip Office	Troy, MI	201-500	165	39
22	Jive Software	Austin, TX	501-1,000	165	1
23	Vcloud	Las Vegas	501-1,000	137	54
24	Lifesize	Austin, TX	201-500	122	13
25	Star2star	Sarasota, FL	201-500	104	35

Showing 25 of 625 cloud communications platforms based in the United States

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Cloud communications platforms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 16 HQs

9,450Contacts with mobile numbers

54Emails re-verified in last 30 days

Companies by employee count

1-10

200

11-50

251

51-200

118

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Cloud communications platforms by metro

Metro	Companies
Cloud communications platforms in New York	16
Cloud communications platforms in Miami	16
Cloud communications platforms in Austin	13
Cloud communications platforms in Houston	11
Cloud communications platforms in Atlanta	11
Cloud communications platforms in San Jose	11
Cloud communications platforms in Tampa	10
Cloud communications platforms in Denver	9

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 communications platforms”, 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; 54 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 communications platforms are there based in the United States?

There are 625 cloud communications platforms 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 communications platforms?

New York leads with 16 headquartered companies, followed by Miami (16) and Austin (13).

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 12,099 verified decision-maker contacts tracked across these 625 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.