Company lists · Data refreshed September 2026

Top 25 Security AI advanced technology companies based in the United States

RevenueBase identified 1,596 security AI advanced technology companies headquartered in the United States as of September 2026 and tracks 74,688 professional contacts across them, including 35,854 with verified work emails. San Francisco is the largest hub.

This list covers security AI advanced technology 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 21, 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 21, 2026 86% judged on-target in blind review
1,596Companies
74,688Contacts tracked
35,854Verified emails
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The 25 largest security AI advanced technology companies based in the United States

Ranked by team size
Top 25 of 1,596 security AI advanced technology companies based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to security AI advanced technology 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 evidenceSanta Clara, CA, United StatesHQ checked Sep 21, 202610001+18,431 contacts →

Partial evidence

“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceMiami, CO, United StatesHQ checked Sep 21, 20261,001-5,0005,403 contacts →

Partial evidence

AI-powered automation for every decision.”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceMountain View, CA, United StatesHQ checked Sep 21, 20261,001-5,0003,052 contacts →

Partial evidence

“SentinelOne is the world's leading AI-powered cybersecurity platform.”

Source: RevenueBase Database · checked Sep 21, 2026
4Strong evidenceBoston, MA, United StatesHQ checked Sep 21, 20261,001-5,0002,822 contacts →

Strong evidence

“Rapid7, Inc.(NASDAQ: RPD) is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience.”

Source: RevenueBase Database · checked Sep 21, 2026
5Strong evidenceMiami, FL, United StatesHQ checked Sep 21, 20261,001-5,0002,715 contacts →

Strong evidence

“Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceEden Prairie, MN, United StatesHQ checked Sep 21, 20261,001-5,0001,648 contacts →

Partial evidence

“Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.”

Source: RevenueBase Database · checked Sep 21, 2026
7Strong evidenceMclean, VA, United StatesHQ checked Sep 21, 20261,001-5,0001,516 contacts →

Strong evidence

“The proven national security AI services company.[Mission Success = Trusted Human Expertise + Secure Agentic AI] Our teams have been embedded in missions that don't allow for…”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceSanta Monica, WA, United StatesHQ checked Sep 21, 202610001+1,449 contacts →

Partial evidence

“Metropolis is building AI for the real world.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceCincinnati, OH, United StatesHQ checked Sep 21, 2026n/a1,440 contacts →

Indirect evidence

“Government Acquisitions, LLC (GAI) stands at the forefront of a transformative era, where artificial intelligence is reshaping our world and the stakes have never been higher.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceTampa, FL, United StatesHQ checked Sep 21, 20261,001-5,0001,285 contacts →

Partial evidence

“ReliaQuest exists to Make Security Possible.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceSan Diego, CA, United StatesHQ checked Sep 21, 20261,001-5,0001,279 contacts →

Partial evidence

“Founded in 2015, Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceDothan, AL, United StatesHQ checked Sep 21, 20261,001-5,0001,190 contacts →

Partial evidence

“DSI Security Services offers armed and unarmed uniformed security guard services.”

Source: RevenueBase Database · checked Sep 21, 2026
13Strong evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0001,130 contacts →

Strong evidence

“Cyera is the industry-leading AI Security Platform.”

Source: RevenueBase Database · checked Sep 21, 2026
14Strong evidenceSt Louis, MO, United StatesHQ checked Sep 21, 2026501-1,000569 contacts →

Strong evidence

“Interface Systems combines AI-powered technologies with expert remote video monitoring from its US-based Interactive Security Operations Centers (iSOCs).”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceAustin, TX, United StatesHQ checked Sep 21, 2026n/a534 contacts →

Indirect evidence

“Eagle Eye Networks has now merged with Brivo.”

Source: RevenueBase Database · checked Sep 21, 2026
16Strong evidenceSanta Clara, CA, United StatesHQ checked Sep 21, 2026201-500497 contacts →

Strong evidence

“Seclore is the Data Security Intelligence company for the era of enterprise AI, helping organizations turn data and AI risk into readiness.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 2026201-500468 contacts →

Indirect evidence

“Building on a legacy of digital media expertise and innovation, RealNetworks has created a new generation of products that employ best-in-class artificial intelligence and machine…”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceHerndon, VA, United StatesHQ checked Sep 21, 2026501-1,000459 contacts →

Indirect evidence

“Zolon Tech, Inc.”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceMclean, VA, United StatesHQ checked Sep 21, 2026501-1,000432 contacts →

Partial evidence

“BigBear.ai fuses artificial intelligence with deep mission expertise, empowering decision-makers and operators to act with speed, precision, and confidence.”

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceRed Bank, NJ, United StatesHQ checked Sep 21, 20261,001-5,000416 contacts →

Strong evidence

“United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceSouthlake, TX, United StatesHQ checked Sep 21, 2026201-500403 contacts →

Partial evidence

“Trackforce stands at the forefront of the physical security industry, combining over 40 years of collective security expertise with cutting-edge innovation.”

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 21, 2026201-500364 contacts →

Partial evidence

“Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?”

Source: RevenueBase Database · checked Sep 21, 2026
23Strong evidencePittsford, NY, United StatesHQ checked Sep 21, 2026201-500362 contacts →

Strong evidence

“LenelS2 is a global leader in advanced physical security solutions, including access control, video surveillance and mobile credentialing.”

Source: RevenueBase Database · checked Sep 21, 2026
24Partial evidenceNew York, NY, United StatesHQ checked Sep 21, 2026201-500359 contacts →

Partial evidence

“Torq is the AI SOC platform that combines agentic insights and automation so that enterprises can triage, investigate, and respond to actual risks, faster.”

Source: RevenueBase Database · checked Sep 21, 2026
25Strong evidenceWaltham, MA, United StatesHQ checked Sep 21, 2026201-500341 contacts →

Strong evidence

“Evolv Technologies Holdings, Inc (NASDAQ: EVLV) is a leading security technology company with products designed to transform human security to make a safer, faster and better…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 1,596 security AI advanced technology companies based in the United States

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Security AI advanced technology companies based in the United States at a glance

As of Sep 21, 2026
48.0%Verified-email coverage
46.8Average contacts per company
11-50Median size (employees)
4.5%Largest-city concentration · San Francisco
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
636
11-50
611
51-200
240
201-500
57
501-1,000
24
1,001-5,000
19
5,001-10,000
2
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 1,596 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 security AI advanced technology 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 “security AI advanced technology 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 security AI advanced technology 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 security AI advanced technology 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, 35,854 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 21, 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 security AI advanced technology 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 security AI advanced technology companies are there based in the United States?

RevenueBase identified 1,596 security AI advanced technology 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?

Palo Alto Networks, headquartered in Santa Clara, tops this list with the largest team on record.

Which city has the most security AI advanced technology companies?

San Francisco leads with 72 headquartered companies, followed by New York (68) and Austin (45).

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 35,854 verified decision-maker contacts tracked across these 1,596 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 21, 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.