Company lists · Data refreshed September 2026

Top 25 Cybersecurity companies for smart cities based in the United States

Name: Cybersecurity companies for smart cities based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 982 companies tracked

RevenueBase identified 982 company matches for cybersecurity companies for smart cities associated with the United States as of September 2026 and tracks 62,665 professional contacts across them, including 29,202 with verified work emails. New York is the largest hub.

This list covers company matches for cybersecurity companies for smart cities associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

982Companies

62,665Contacts tracked

29,202Verified emails

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The 25 largest cybersecurity companies for smart cities based in the United States

Ranked by team size

Top 25 of 982 company matches for cybersecurity companies for smart cities based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Palo Alto Networks	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	10001+	18,431 contacts →
	Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Sep 28, 2026	10001+	14,289 contacts →
	Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	10001+	11,169 contacts →
	Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Fortra	Exact match	Eden Prairie, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,648 contacts →
	Exact match “Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Imperva	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	10001+	1,217 contacts →
	Exact match “On Dec.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	874 contacts →
	Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Vectra AI	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	651 contacts →
	Exact match “Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Vc3	Exact match	Columbia, SC, United StatesHQ recorded Sep 28, 2026	501-1,000	495 contacts →
	Exact match “VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Nozomi Networks	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	201-500	375 contacts →
	Exact match “We protect the world’s critical infrastructure from cyber threats.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Novacoast	Exact match	Wichita, KS, United StatesHQ recorded Sep 28, 2026	201-500	369 contacts →
	Exact match “Novacoast is an international cybersecurity company specializing in IT services and software development.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Logically	Exact match	Dublin, OH, United StatesHQ recorded Sep 28, 2026	201-500	300 contacts →
	Exact match “Welcome to Logically.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Lumifi	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 28, 2026	51-200	249 contacts →
	Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Carbon Black	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	239 contacts →
	Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Fortress Information Security	Exact match	Orlando, FL, United StatesHQ recorded Sep 28, 2026	201-500	231 contacts →
	Exact match “Fortress is the AI-powered cybersecurity company defending critical infrastructure, government agencies, and their supply chains against cyber threats and mission risks.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Hillstone Networks	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	230 contacts →
	Exact match “Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Loginsoft	Exact match	Chantilly, VA, United StatesHQ recorded Sep 28, 2026	201-500	220 contacts →
	Exact match “For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Vehere	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	201-500	211 contacts →
	Exact match “Vehere is an AI cyber defense company operating at the intersection of national security and enterprise security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Webroot	Exact match	Broomfield, CO, United StatesHQ recorded Sep 28, 2026	501-1,000	199 contacts →
	Exact match “Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Convergence Networks	Exact match	Us & Canada, OR, United StatesHQ recorded Sep 28, 2026	201-500	185 contacts →
	Exact match “Convergence Networks provides managed IT services, cybersecurity, cloud solutions, IT consulting, Modern work solutions, and compliance support to organizations across Canada and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Deepseas	Exact match	Globally Distributed, United StatesHQ recorded Sep 28, 2026	201-500	182 contacts →
	Exact match “With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	VLCM	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 28, 2026	51-200	159 contacts →
	Exact match “At VLCM (pronounced val-com), we have over 40 years of experience Getting IT Right for our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	At&t Cybersecurity	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	156 contacts →
	Exact match “AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Nuharbor	Exact match	Colchester, VT, United StatesHQ recorded Sep 28, 2026	51-200	151 contacts →
	Exact match “nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	OSC Edge	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	51-200	150 contacts →
	Exact match “From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Fidelis Security	Exact match	Riverside, CA, United StatesHQ recorded Sep 28, 2026	51-200	147 contacts →
	Exact match “Fidelis Security® is the industry innovator in proactive cyber defense, safeguarding modern IT for global enterprises with proactive XDR and CNAPP platforms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity companies for smart cities”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 982 cybersecurity companies for smart cities based in the United States

See the full list, filter by size, metro and specialty, and access 29,202 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity companies for smart cities based in the United States at a glance

As of Sep 28, 2026

46.6%Verified-email coverage

63.8Average contacts per company

11-50Median size (employees)

3.3%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

477

11-50

333

51-200

116

201-500

501-1,000

1,001-5,000

10001+

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 982 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “cybersecurity companies for smart cities” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 29,202 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Cybersecurity companies for smart cities by metro

Cybersecurity companies for smart cities in Houston26

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity companies for smart cities”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity companies for smart cities are there based in the United States?

RevenueBase identified 982 company matches for cybersecurity companies for smart cities associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Palo Alto Networks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cybersecurity companies for smart cities?

New York leads with 32 company records, followed by Houston (26) and Austin (20).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 29,202 professional contacts with verified work emails tracked across these 982 companies; direct dials are available where recorded.

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 SmartSearch, 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.