Company lists · Data refreshed November 2026

Top 18 Big cybersecurity companies based in Washington, United States

RevenueBase identified 121 company matches for big cybersecurity companies associated with Washington, United States as of November 2026 and tracks 2,012 professional contacts across them, including 833 with verified work emails. Across the United States, New York is the largest hub for this category (266 companies); Washington has 121.

This list covers company matches for big cybersecurity companies 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 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
121Companies
2,012Contacts tracked
833Verified emails
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The 18 largest big cybersecurity companies based in Washington, United States

Ranked by team size
Top 18 of 121 company matches for big cybersecurity companies based in Washington, 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 matchWashington, DC, United StatesHQ recorded Nov 5, 2026201-500189 contacts →

Exact match

“Obsidian is an advanced technology company, designing enterprise solutions for our clients’ critical mission and business needs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-50122 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202651-200106 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 · Nov 5, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Nov 5, 2026201-50089 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Nov 5, 2026501-1,00079 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5073 contacts →

Exact match

“The Chertoff Group is a global leader in security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202651-20070 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 · Nov 5, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202651-20070 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 · Nov 5, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Nov 5, 2026n/a39 contacts →

Exact match

“ShorePoint recognizes that cybersecurity is the challenge of our generation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“Valens Global takes a comprehensive, methodical, and thoughtful approach to security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5027 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchWashington, WV, United StatesHQ recorded Nov 5, 202651-20022 contacts →

Exact match

“Biztec helps organizations simplify technology, strengthen security, and operate with confidence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“JRH Consultants is an Information Technology company that provides cost effective services and solutions in Operations Management, Cyber Security Services, Cloud Integration and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“The Efiia Group delivers cybersecurity solutions for Government.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Helping U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“The Teneo Group is a leader in commercial network security, data security, and proactive threat prevention, across mobile, endpoint, cloud, enterprise, and beyond.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“Capitol Technology Solutions is a client-focused IT services and consulting firm.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“InGuardians, Inc is an independent information security consulting company based in Washington D.C.”

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

Showing 18 of 121 big cybersecurity companies based in Washington, United States

See the full list, filter by size, metro and specialty, and access 833 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Big cybersecurity companies based in Washington, United States at a glance

As of Nov 5, 2026
41.4%Verified-email coverage
16.6Average contacts per company
11-50Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
54
11-50
44
51-200
17
201-500
5
501-1,000
1

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 121 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 “big cybersecurity 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 833 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.

Big cybersecurity companies 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 “big cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big cybersecurity companies are there based in Washington, United States?

RevenueBase identified 121 company matches for big cybersecurity companies associated with Washington, 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?

Obsidian Global, LLC 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 big cybersecurity companies?

New York leads the United States with 266 company records, followed by Houston (137) and Austin (134). Washington has 121.

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 833 professional contacts with verified work emails tracked across these 121 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.