Company lists · Data verified August 2026

Top 25 Cloud pbx companies based in the United States

Name: Cloud pbx 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 898 companies tracked

There are 898 cloud pbx companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 19,726 professional contacts across them, including 7,489 with verified work emails and 5,757 with mobile numbers. New York is the largest hub.

This list covers cloud pbx 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.

898Companies

19,726Contacts tracked

7,489Verified emails

5,757Mobile numbers

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The 25 largest cloud pbx companies based in the United States

Ranked by team size

Top 25 of 898 cloud pbx 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	Vonage	Holmdel, NJ	1,001-5,000	3,512	1,736
2	GOTO	Boston, MA	1,001-5,000	2,325	1,286
3	Intermedia Intelligent Communications	Sunnyvale, CA	1,001-5,000	1,251	672
4	CNT	Minneapolis, MN	1,001-5,000	1,063	1
5	Ooma, INC	Sunnyvale, CA	501-1,000	604	286
6	Real Time Data Services	Pompano Beach, FL	501-1,000	433	296
7	Spectrumvoip	Plano, TX	201-500	425	167
8	Fusion Connect	Atlanta, GA	201-500	423	264
9	phone.com	Poway, CA	201-500	396	52
10	Wildix	Columbus, OH	201-500	337	166
11	Vitel Global	South Plainfield, NJ	51-200	208	1
12	Firstcomm	Fairlawn, OH	51-200	174	41
13	Voip Office	Troy, MI	201-500	165	39
14	Crexendo Business Solutions	Tempe, AZ	51-200	141	94
15	Estech Systems, Inc. ESI	Plano, TX	51-200	121	57
16	Peerless Network, An Infobip Company	Denver, CO	51-200	108	30
17	Star2star	Sarasota, FL	201-500	104	35
18	Fonality	Culver City, CA	201-500	95	29
19	Euphoria Telecom	Sandton	51-200	90	56
20	NUSO	Clayton, MO	51-200	88	64
21	Voip Networks	New York, NY	51-200	83	37
22	Netfortris, A Sangoma Company	Seattle, WA	201-500	75	45
23	Telecomp	Cushing, OK	51-200	74	48
24	Verve Cloud	San Diego, CA	51-200	64	34
25	Lightspeed Voice	North Venice, FL	51-200	62	50

Showing 25 of 898 cloud pbx companies based in the United States

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Cloud pbx companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 30 HQs

5,757Contacts with mobile numbers

38Emails re-verified in last 30 days

Companies by employee count

1-10

366

11-50

383

51-200

106

201-500

501-1,000

1,001-5,000

5,001-10,000

Cloud pbx companies by metro

Metro	Companies
Cloud pbx companies in New York	30
Cloud pbx companies in Austin	19
Cloud pbx companies in Miami	18
Cloud pbx companies in Dallas	18
Cloud pbx companies in Tampa	17
Cloud pbx companies in Houston	14
Cloud pbx companies in Atlanta	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 pbx 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; 38 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 pbx companies are there based in the United States?

There are 898 cloud pbx companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Vonage, headquartered in Holmdel, tops this list with the largest team on record.

Which city has the most cloud pbx companies?

New York leads with 30 headquartered companies, followed by Austin (19) and Miami (18).

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 7,489 verified decision-maker contacts tracked across these 898 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.