Company lists · Data verified August 2026

Top 25 Cloud networking software companies based in the United States

Name: Cloud networking 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 282 companies tracked

There are 282 cloud networking software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 51,756 professional contacts across them, including 18,611 with verified work emails and 17,454 with mobile numbers. San Jose is the largest hub.

This list covers cloud networking 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.

282Companies

51,756Contacts tracked

18,611Verified emails

17,454Mobile numbers

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

Ranked by team size

Top 25 of 282 cloud networking 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	Centurylink	Monroe, LA	10001+	22,865	2,868
2	Cloudflare	Washington, DC	1,001-5,000	5,795	3,496
3	Arista Networks	Cary, NC	1,001-5,000	5,058	3,253
4	Extreme Networks	Salem, NH	1,001-5,000	3,161	2,146
5	Netskope	Santa Clara, CA	1,001-5,000	3,025	1,996
6	Infoblox	Tacoma, WA	1,001-5,000	2,808	1,604
7	Versa Networks	Santa Clara, CA	501-1,000	798	415
8	NTT Global Networks	Greenwood Village, CO	501-1,000	716	286
9	Drivenets	Red Bank, NJ	501-1,000	498	399
10	Masergy	Plano, TX	501-1,000	485	222
11	Coriant, INC	Naperville, IL	1,001-5,000	399	102
12	INAP	Atlanta, GA	51-200	327	3
13	IBOSS	Boston, MA	201-500	277	153
14	Kentik	San Francisco, CA	201-500	240	173
15	solo.io	Cambridge, MA	51-200	200	92
16	KR Elixir, Inc.	Alpharetta, GA	501-1,000	189	3
17	Openvpn INC	Pleasanton, CA	51-200	176	71
18	Nuage Networks From Nokia	Sunnyvale, CA	51-200	147	10
19	Aviz Networks	San Jose, CA	51-200	145	57
20	Network To Code	NY	51-200	125	96
21	Nuvolat Cloud Group	Pittsburgh, PA	51-200	125	1
22	Joyent	Mountain View, CA	51-200	118	57
23	O4it	Doral, FL	51-200	107	16
24	Cytracom	Mckinney, TX	51-200	106	65
25	Perimeter 81, A Check Point Company	New York, NY	51-200	96	45

Showing 25 of 282 cloud networking software companies based in the United States

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

As of Aug 28, 2026

11-50Median size (employees)

San JoseLargest hub · 18 HQs

17,454Contacts with mobile numbers

101Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

104

51-200

201-500

501-1,000

1,001-5,000

10001+

Cloud networking software companies by metro

Metro	Companies
Cloud networking software companies in San Jose	18
Cloud networking software companies in Santa Clara	13
Cloud networking software companies in San Francisco	13
Cloud networking software companies in New York	12
Cloud networking software companies in Palo Alto	9
Cloud networking software companies in Boston	6
Cloud networking software companies in Austin	5
Cloud networking software companies in Dallas	5

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 networking 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; 101 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 networking software companies are there based in the United States?

There are 282 cloud networking software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Centurylink, headquartered in Monroe, tops this list with the largest team on record.

Which city has the most cloud networking software companies?

San Jose leads with 18 headquartered companies, followed by Santa Clara (13) and San Francisco (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 18,611 verified decision-maker contacts tracked across these 282 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.