Company lists · Data refreshed November 2026

Top 25 Cybersecurity staffing agencies based in the United States

RevenueBase identified 5,149 company matches for cybersecurity staffing agencies associated with the United States as of November 2026 and tracks 105,158 professional contacts across them, including 34,717 with verified work emails. New York is the largest hub.

This list covers company matches for cybersecurity staffing agencies 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 November 5, 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 Nov 5, 2026 How this list was built
5,149Companies
105,158Contacts tracked
34,717Verified emails
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The 25 largest cybersecurity staffing agencies based in the United States

Ranked by team size
Top 25 of 5,149 company matches for cybersecurity staffing agencies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSunnyvale, CA, United StatesHQ recorded Nov 5, 202610001+15,414 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 · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 2026n/a3,342 contacts →

Exact match

“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLeawood, KS, United StatesHQ recorded Nov 5, 20261,001-5,0002,171 contacts →

Exact match

“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Nov 5, 20261,001-5,0001,413 contacts →

Exact match

“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchReston, VA, United StatesHQ recorded Nov 5, 20261,001-5,0001,346 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchTampa, FL, United StatesHQ recorded Nov 5, 20261,001-5,0001,290 contacts →

Exact match

“ReliaQuest exists to Make Security Possible.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBoston, AZ, United StatesHQ recorded Nov 5, 2026501-1,0001,165 contacts →

Exact match

“Motion Recruitment, a Kelly® Company, delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchKansas City, MO, United StatesHQ recorded Nov 5, 20261,001-5,000909 contacts →

Exact match

“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 5, 20261,001-5,000812 contacts →

Exact match

“We’re stronger together.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchLansing, MI, United StatesHQ recorded Nov 5, 2026n/a806 contacts →

Exact match

“ASK is now Convergence Networks!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSt. Louis, MO, United StatesHQ recorded Nov 5, 2026201-500737 contacts →

Exact match

“View our jobs at Submit resumes to: askus@envision.com.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Nov 5, 2026501-1,000733 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 · Nov 5, 2026 · View company records in RevenueBase
13Exact matchAshburn, VA, United StatesHQ recorded Nov 5, 2026501-1,000676 contacts →

Exact match

“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchPlano, TX, United StatesHQ recorded Nov 5, 2026501-1,000658 contacts →

Exact match

“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMclean, AZ, United StatesHQ recorded Nov 5, 2026501-1,000623 contacts →

Exact match

“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLos Angeles, CA, United StatesHQ recorded Nov 5, 2026n/a596 contacts →

Exact match

“NIC has been providing IT Solutions, Cybersecurity, and Cloud Services for businesses and organizations for the past two decades.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500592 contacts →

Exact match

“Consultadd is a leading IT staffing and workforce solutions partner, helping U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchVienna, VA, United StatesHQ recorded Nov 5, 20261,001-5,000588 contacts →

Exact match

“Tech evolves.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchIrvine, CA, United StatesHQ recorded Nov 5, 2026201-500554 contacts →

Exact match

“CyberCoders, a division of ASGN Incorporated, is a leading permanent placement recruiting firm.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchNew York, CA, United StatesHQ recorded Nov 5, 202651-200517 contacts →

Exact match

“As the largest, national staffing agency specializing exclusively in high-end, niche IT, Tech, and Digital Marketing talent, staffing is more than just our job.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSanta Clara, CA, United StatesHQ recorded Nov 5, 20265,001-10,000510 contacts →

Exact match

“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchColumbia, SC, United StatesHQ recorded Nov 5, 2026501-1,000501 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 · Nov 5, 2026 · View company records in RevenueBase
23Exact matchRed Bank, MD, United StatesHQ recorded Nov 5, 20261,001-5,000426 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchOverland Park, KS, United StatesHQ recorded Nov 5, 202651-200402 contacts →

Exact match

“Simply put, MCG is a full service IT staffing firm…locally owned and operated with offices in Overland Park, KS and Dallas, TX.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchCheseaux, TX, United StatesHQ recorded Nov 5, 2026201-500392 contacts →

Exact match

“Kudelski Security is a premier cybersecurity solutions provider, working with the most security-conscious organizations in Europe and across the United States.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 5,149 cybersecurity staffing agencies based in the United States

See the full list, filter by size, metro and specialty, and access 34,717 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity staffing agencies based in the United States at a glance

As of Nov 5, 2026
33.0%Verified-email coverage
20.4Average contacts per company
1-10Median size (employees)
4.6%Largest-city concentration · New York
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
2,576
11-50
1,715
51-200
628
201-500
142
501-1,000
42
1,001-5,000
28
5,001-10,000
5
10001+
6

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 5,149 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 staffing agencies” 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 34,717 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 November 5, 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 staffing agencies by metro

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 staffing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity staffing agencies are there based in the United States?

RevenueBase identified 5,149 company matches for cybersecurity staffing agencies associated with the United States as of November 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?

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

Which city has the most cybersecurity staffing agencies?

New York leads with 236 company records, followed by Austin (114) and Dallas (107).

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 34,717 professional contacts with verified work emails tracked across these 5,149 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 November 5, 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.