Company lists · Data refreshed October 2026

Top 22 Cybersecurity services firms based in Washington, United States

Name: Cybersecurity services firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 154 companies tracked

RevenueBase identified 154 company matches for cybersecurity services firms associated with Washington, United States as of October 2026 and tracks 1,723 professional contacts across them, including 669 with verified work emails. Across the United States, New York is the largest hub for this category (276 companies); Washington follows with 154.

This list covers company matches for cybersecurity services firms associated with Washington, 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 October 1, 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 Oct 1, 2026 How this list was built

154Companies

1,723Contacts tracked

669Verified emails

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The 22 largest cybersecurity services firms based in Washington, United States

Ranked by team size

Top 22 of 154 company matches for cybersecurity services firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Illuminate Technologies	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	110 contacts →
	Exact match “Illuminate provides government agencies, commercial enterprises, and network operators with the data, services, and technology that helps them protect the information that…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Shorepoint INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	n/a	106 contacts →
	Exact match “ShorePoint recognizes that cybersecurity is the challenge of our generation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Arlo Solutions	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	100 contacts →
	Exact match “Arlo Solutions (Arlo), is a Washington, DC professional services company, providing cybersecurity and management consulting services to the US government in the defense…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Adlumin	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	95 contacts →
	Exact match “Adlumin, an N-able company, provides enterprise-grade cybersecurity for organizations of all sizes through its innovative Security Operations as a Service platform.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	First Health Advisory	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	91 contacts →
	Exact match “First Health Advisory partners with healthcare and government organizations to strengthen cybersecurity strategy, build operational resilience, and safeguard patient care.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	ACI Federal	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	201-500	87 contacts →
	Exact match “ACI Federal™ is an award-winning ISO/IEC 27001 (InfoSec), ISO 9001(QMS) Certified, focused on National Security and Cyber Security Initiatives.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Redlattice, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	501-1,000	75 contacts →
	Exact match “REDLattice™ is a U.S-owned global defense tech company delivering preeminent digital access for its customers within the global intelligence community, law enforcement, and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	TDI Tetrad Digital Integrity	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	71 contacts →
	Exact match “For over 20 years, TDI’s one and only passion has been delivering cybersecurity solutions to effectively manage the business of cyber.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	The Chertoff Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	67 contacts →
	Exact match “The Chertoff Group is a global leader in security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	FWG Solutions	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	66 contacts →
	Exact match “FWG Solutions is an award-winning firm certified by the SBA as an 8(a) that was founded in 2012.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Celerium	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	39 contacts →
	Exact match “Celerium powers active cyber defense solutions to help organizations detect, prevent, and contain data breaches.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Jsoc It, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	28 contacts →
	Exact match “At JSOC IT, we don’t just offer cybersecurity solutions-we build resilient, secure environments tailored to your business needs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Personified	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “We’re Personified.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Valens Global	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	26 contacts →
	Exact match “Valens Global takes a comprehensive, methodical, and thoughtful approach to security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Good Harbor Security Risk Management	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	24 contacts →
	Exact match “Good Harbor Security Risk Management, LLC advises Boards, CEOs, CISOs and other corporate executives, investment professionals, and government leaders on managing cyber risk.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Biztec	Exact match	Washington, WV, United StatesHQ recorded Oct 1, 2026	51-200	23 contacts →
	Exact match “Biztec helps organizations simplify technology, strengthen security, and operate with confidence.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Kglobal NOW Rogerco	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	18 contacts →
	Exact match “kglobal is now part of ROGERCO.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	The Teneo Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “Keeping your operations moving and your network secure is our priority because we know that’s your priority.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Asc3nd Technologies Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “Helping U.S.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	The Efiia Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “The Efiia Group delivers cybersecurity solutions for Government.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Inguardians, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “InGuardians, Inc is an independent information security consulting company based in Washington D.C.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Breachbits, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match “See where hackers can breach the companies you care about.” Recorded in the RevenueBase company graph · Oct 1, 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 services 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 22 of 154 cybersecurity services firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 669 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity services firms based in Washington, United States at a glance

As of Oct 1, 2026

38.8%Verified-email coverage

11.2Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 154 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 Washington, United States whose business descriptions match “cybersecurity services 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 669 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 October 1, 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 services firms by metro in the United States

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

How many cybersecurity services firms are there based in Washington, United States?

RevenueBase identified 154 company matches for cybersecurity services firms associated with Washington, United States as of October 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?

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

Which city in the United States has the most cybersecurity services firms?

New York leads the United States with 276 company records, followed by Washington (154) and Austin (153).

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 669 professional contacts with verified work emails tracked across these 154 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 October 1, 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.