Company lists · Data refreshed September 2026

Top 25 Infrastructure security consulting companies based in the United States

Name: Infrastructure security consulting companies 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 5,420 companies tracked

RevenueBase identified 5,420 company matches for infrastructure security consulting companies associated with the United States as of September 2026 and tracks 65,428 professional contacts across them, including 23,846 with verified work emails. New York is the largest hub.

This list covers company matches for infrastructure security consulting companies 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

5,420Companies

65,428Contacts tracked

23,846Verified emails

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The 25 largest infrastructure security consulting companies based in the United States

Ranked by team size

Top 25 of 5,420 company matches for infrastructure security consulting companies 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	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2	Paragon Systems INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 28, 2026	10001+	1,949 contacts →
	Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Trace3	Exact match	Irvine, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,345 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
5	Brosnan Risk Consultants	Exact match	Pearl River, NY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,050 contacts →
	Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” 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	A10 Networks, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	673 contacts →
	Exact match “A10 Networks provides security and infrastructure solutions for on-premises, hybrid cloud, and edge-cloud environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
9	Ultraviolet Cyber	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
10	Aujas Cybersecurity	Exact match	Cupertino, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
11	MBP Mcdonough Bolyard Peck	Exact match	Fairfax, VA, United StatesHQ recorded Sep 28, 2026	201-500	467 contacts →
	Exact match “MBP is a multi-disciplined consulting firm that provides a broad range of professional services designed to mitigate risk and optimize value within the built environment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Xcelerate Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	447 contacts →
	Exact match “At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Edgewater Federal Solutions, INC	Exact match	Frederick, MD, United StatesHQ recorded Sep 28, 2026	501-1,000	410 contacts →
	Exact match “Edgewater Federal Solutions was founded in 2002 with the mission of being the best IT consulting company possible for our government clients, our contracting partners and our…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Appgate	Exact match	Coral Gables, FL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
15	IBN Technologies	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
16	Issquared, INC	Exact match	Westlake Village, CA, United StatesHQ recorded Sep 28, 2026	201-500	353 contacts →
	Exact match “About ISSQUARED, Inc: An emerging value provider across an array of digital transformation solutions to address on-demand security and governance needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Vantage Point Solutions	Exact match	Mitchell, SD, United StatesHQ recorded Sep 28, 2026	501-1,000	334 contacts →
	Exact match “Vantage Point is a premier engineering and consulting firm serving the broadband, energy, enterprise, and banking industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	IANS	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
19	CTI	Exact match	Timonium, MD, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
20	Security Risk Advisors	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
21	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
22	Feditc	Exact match	Rockville, MD, United StatesHQ recorded Sep 28, 2026	201-500	296 contacts →
	Exact match “Founded in 2003, FEDITC, LLC is an ISO and CMMI level 3 certified cyber security, IT, and engineering services firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Prescient Security	Exact match	Nashville, TN, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
24	Guidepost Solutions	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	268 contacts →
	Exact match “We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Sep 28, 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 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 “infrastructure security consulting companies”. 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 5,420 infrastructure security consulting companies based in the United States

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Infrastructure security consulting companies based in the United States at a glance

As of Sep 28, 2026

36.4%Verified-email coverage

12.1Average contacts per company

1-10Median size (employees)

3.3%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,170

11-50

1,620

51-200

477

201-500

501-1,000

1,001-5,000

5,001-10,000

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 5,420 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 “infrastructure security consulting companies” 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 23,846 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.

Infrastructure security consulting companies 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 “infrastructure security consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure security consulting companies are there based in the United States?

RevenueBase identified 5,420 company matches for infrastructure security consulting companies 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?

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

Which city has the most infrastructure security consulting companies?

New York leads with 177 company records, followed by Washington (104) and Atlanta (100).

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 23,846 professional contacts with verified work emails tracked across these 5,420 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.