Company lists · Data refreshed September 2026

Top 25 Network security consulting firms based in the United States

Name: Network security consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 5,469 companies tracked

RevenueBase identified 5,469 company matches for network security consulting firms associated with the United States as of September 2026 and tracks 70,424 professional contacts across them, including 24,030 with verified work emails and 23,575 with mobile numbers. New York is the largest hub.

This list covers company matches for network security consulting firms 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 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 Sep 5, 2026 How this list was built

5,469Companies

70,424Contacts tracked

24,030Verified emails

23,575Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest network security consulting firms based in the United States

Ranked by team size

Top 25 of 5,469 company matches for network security consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
2	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,222 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 · Sep 5, 2026 · View company records in RevenueBase
3	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,252 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 · Sep 5, 2026 · View company records in RevenueBase
4	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,232 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 · Sep 5, 2026 · View company records in RevenueBase
5	Coalfire	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 2026	1,001-5,000	947 contacts →
	Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
7	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Sep 5, 2026	1,001-5,000	844 contacts →
	Exact match “Today’s threatscape is relentless.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Sep 5, 2026	501-1,000	629 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 · Sep 5, 2026 · View company records in RevenueBase
9	Ultraviolet Cyber	Exact match	Mclean, VA, United StatesHQ recorded Sep 5, 2026	501-1,000	523 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 · Sep 5, 2026 · View company records in RevenueBase
10	Aujas Cybersecurity	Exact match	Cupertino, CA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	473 contacts →
	Exact match “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11	United Security, Inc. USI	Exact match	Red Bank, NJ, United StatesHQ recorded Sep 5, 2026	1,001-5,000	416 contacts →
	Exact match “United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12	Appgate	Exact match	Coral Gables, FL, United StatesHQ recorded Sep 5, 2026	501-1,000	381 contacts →
	Exact match “AppGate secures and protects an organization's most valuable assets with its high performance Zero Trust Network Access (ZTNA) solution and Cyber Advisory Services.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13	Paladion An Atos Business	Exact match	Reston, VA, United StatesHQ recorded Sep 5, 2026	501-1,000	369 contacts →
	Exact match “As of April 2023, Paladion is part of Atos Group.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14	IBN Technologies	Exact match	Miami, FL, United StatesHQ recorded Sep 5, 2026	51-200	365 contacts →
	Exact match “Welcome to IBN Technologies, LLC, Your Trusted Partner in Cybersecurity, Cloud, and Finance Solutions With 26+ years of expertise, IBN Technologies leads in delivering integrated…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15	Bishop FOX	Exact match	Tempe, AZ, United StatesHQ recorded Sep 5, 2026	201-500	344 contacts →
	Exact match “Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16	IANS	Exact match	Boston, MA, United StatesHQ recorded Sep 5, 2026	51-200	327 contacts →
	Exact match “For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17	CTI	Exact match	Timonium, MD, United StatesHQ recorded Sep 5, 2026	n/a	323 contacts →
	Exact match “Continental Technologies Inc (CTI) configures, distributes, designs and maintains technology solutions for customers around the globe and remains both privately-held and locally…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18	Intelligent Technical Solutions	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 5, 2026	201-500	317 contacts →
	Exact match “Intelligent Technical Solutions is your trusted business partner for all your Cybersecurity, Managed and Co-managed IT support, Risk & Compliance, Data Analytics, and Consulting…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	Security Risk Advisors	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 5, 2026	201-500	315 contacts →
	Exact match “We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20	Logically	Exact match	Dublin, OH, United StatesHQ recorded Sep 5, 2026	201-500	300 contacts →
	Exact match “Welcome to Logically.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21	Prescient Security	Exact match	Nashville, TN, United StatesHQ recorded Sep 5, 2026	201-500	272 contacts →
	Exact match “Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Sep 5, 2026	201-500	255 contacts →
	Exact match “Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	Orion Security Solutions	Exact match	Edmond, OK, United StatesHQ recorded Sep 5, 2026	51-200	250 contacts →
	Exact match “Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24	Lumifi	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
25	NTG	Exact match	Tampa, FL, United StatesHQ recorded Sep 5, 2026	51-200	236 contacts →
	Exact match “NTG is where excellence meets innovation.” Recorded in the RevenueBase company graph · Sep 5, 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 “network security consulting firms”. 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 5,469 network security consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 24,030 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Network security consulting firms based in the United States at a glance

As of Sep 5, 2026

34.1%Verified-email coverage

33.5%Mobile-number coverage

12.9Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · New York

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

3,366

11-50

1,566

51-200

408

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

22,2410–30

1,54231–60

2761–90

1390–180

207180+

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 “network security consulting firms” 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 24,030 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 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.

Network security consulting firms 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 “network security consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network security consulting firms are there based in the United States?

RevenueBase identified 5,469 company matches for network security consulting firms 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?

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

Which city has the most network security consulting firms?

New York leads with 149 company records, followed by Houston (102) and Washington (98).

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 24,030 professional contacts with verified work emails tracked across these 5,469 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 5,469 network security consulting firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Network security consulting firms by geography

Browse the directory

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.