Company lists · Data refreshed September 2026

Top 25 Enterprise networking companies based in the United States

RevenueBase identified 1,866 enterprise networking companies headquartered in the United States as of September 2026 and tracks 75,838 professional contacts across them, including 26,753 with verified work emails. New York is the largest hub.

This list covers enterprise networking 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
1,866Companies
75,838Contacts tracked
26,753Verified emails
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The 25 largest enterprise networking companies based in the United States

Ranked by team size
Top 25 of 1,866 enterprise networking companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise networking companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSunnyvale, CA, United StatesHQ checked Sep 28, 20265,001-10,00013,144 contacts →

Partial evidence

“Juniper Networks is leading the revolution in networking, making it one of the most exciting technology companies in Silicon Valley today.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceHanover, MD, United StatesHQ checked Sep 28, 20265,001-10,0009,426 contacts →

Indirect evidence

“Ciena (NYSE:CIEN) is the global leader in high-speed connectivity.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceBroomfield, CO, United StatesHQ checked Sep 28, 202610001+5,212 contacts →

Partial evidence

“CenturyLink (NYSE: CTL) is a technology leader delivering hybrid networking, cloud connectivity, and security solutions to customers around the world.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceSanta Clara, CA, United StatesHQ checked Sep 28, 20261,001-5,0005,101 contacts →

Partial evidence

“Arista Networks is an industry leader in data-driven, client to cloud networking for large data center/AI, campus and routing environments.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceLake Forest, CA, United StatesHQ checked Sep 28, 20261,001-5,0003,955 contacts →

Indirect evidence

“One Connection-Infinite Possibilities.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidencePlano, TX, United StatesHQ checked Sep 28, 20261,001-5,0003,667 contacts →

Indirect evidence

“Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceArlington, VA, United StatesHQ checked Sep 28, 20261,001-5,0002,933 contacts →

Partial evidence

“GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceSan Jose, CA, United StatesHQ checked Sep 28, 20261,001-5,0001,324 contacts →

Partial evidence

“We turn ideas into innovative networking products that connect people, power businesses, and advance the way we live.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceEl Paso, TX, United StatesHQ checked Sep 28, 2026501-1,0001,250 contacts →

Indirect evidence

“Today fast, flexible networks are the foundation of every successful organization.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceDallas, TX, United StatesHQ checked Sep 28, 2026501-1,0001,032 contacts →

Indirect evidence

“As an award-winning, global IT solutions provider, we are changing the nature of transformation.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceFaribault, MN, United StatesHQ checked Sep 28, 20261,001-5,000974 contacts →

Indirect evidence

“KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 28, 20261,001-5,000816 contacts →

Indirect evidence

“Our world is increasing in complexity.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceKennesaw, GA, United StatesHQ checked Sep 28, 20261,001-5,000637 contacts →

Indirect evidence

“Circet USA is a leading builder of network infrastructure with services tailored to your specific needs, including the design, engineering, construction, and maintenance of data…”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceBluffton, IN, United StatesHQ checked Sep 28, 2026n/a545 contacts →

Partial evidence

“At Indiana Technical Installations we provide IT Services/Networking, Home & Business Security/Surveillance Services, Custom Audio/Video and more.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceHoffman Estates, IL, United StatesHQ checked Sep 28, 2026501-1,000536 contacts →

Partial evidence

“Cambium Networks enables service providers, enterprises, industrial organizations, and governments to deliver exceptional digital experiences and device connectivity with…”

Source: RevenueBase Database · checked Sep 28, 2026
16Strong evidenceMarlborough, MA, United StatesHQ checked Sep 28, 2026201-500468 contacts →

Strong evidence

“CTS provides custom, carrier-grade, in-building and campus connectivity solutions for enterprises and mobile network operators, solving and managing the most complex networking…”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceRiverside, MO, United StatesHQ checked Sep 28, 2026201-500410 contacts →

Indirect evidence

“Around here, we say it all started with an idea: What if we developed a new approach for designing, deploying and maintaining the technology that runs a business?”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceBethel, CT, United StatesHQ checked Sep 28, 2026201-500343 contacts →

Indirect evidence

“ComNet Communications is a national network infrastructure integrator delivering large-scale, mission-critical deployments across the United States.”

Source: RevenueBase Database · checked Sep 28, 2026
19Strong evidenceMarlborough, MA, United StatesHQ checked Sep 28, 20265,001-10,000318 contacts →

Strong evidence

“3Com Corporation is a $1.3 billion global enterprise networking solutions provider that sets a new price/performance standard for customers.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSan Clemente, CA, United StatesHQ checked Sep 28, 2026501-1,000314 contacts →

Indirect evidence

“CHC is a full-service digital network engineering firm that delivers solutions including fielding, engineering design, permitting, project management, and process development.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceTorrance, CA, United StatesHQ checked Sep 28, 2026201-500310 contacts →

Indirect evidence

“As a premier technology solution provider, we design, build, and maintain best-of-breed systems, including networks, security, data center, wireless, cloud, audiovisual, and…”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceBellevue, WA, United StatesHQ checked Sep 28, 202651-200273 contacts →

Indirect evidence

“Network Computing Architects, Inc.(NCA) is a rapidly growing, quality-driven technology provider of services and telecommunication products for businesses of all sizes.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceMidlothian, VA, United StatesHQ checked Sep 28, 202651-200272 contacts →

Partial evidence

“Networking Technologies + Support (NTS) is a trusted IT solutions provider headquartered in Midlothian, Virginia.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 2026201-500240 contacts →

Indirect evidence

“GLS is a managed network and security services provider founded in 1998.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceDallas, United StatesHQ checked Sep 28, 202651-200208 contacts →

Indirect evidence

“Glow Networks, Inc.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 1,866 enterprise networking companies based in the United States

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Enterprise networking companies based in the United States at a glance

As of Sep 28, 2026
35.3%Verified-email coverage
40.6Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
951
11-50
641
51-200
197
201-500
31
501-1,000
14
1,001-5,000
20
5,001-10,000
3
10001+
5

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,866 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise networking companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “enterprise networking companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise networking companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among enterprise networking companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 26,753 across the full list. 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 September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise networking companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise networking companies are there based in the United States?

RevenueBase identified 1,866 enterprise networking companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Juniper Networks, headquartered in Sunnyvale, tops this list with the largest team on record.

Which city has the most enterprise networking companies?

New York leads with 40 headquartered companies, followed by Houston (32) and Miami (27).

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 26,753 verified decision-maker contacts tracked across these 1,866 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.