Company lists · Data refreshed September 2026

Top 25 Cybersecurity services and solutions based in Alexandria, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 88 companies tracked

RevenueBase identified 88 company matches for cybersecurity services and solutions associated with Alexandria, United States as of September 2026 and tracks 1,451 professional contacts across them, including 296 with verified work emails. Across the United States, New York is the largest hub for this category (457 companies); Alexandria has 88.

This list covers company matches for cybersecurity services and solutions associated with Alexandria, 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 24, 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 24, 2026 How this list was built

88Companies

1,451Contacts tracked

296Verified emails

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The 25 largest cybersecurity services and solutions based in Alexandria, United States

Ranked by team size

Top 25 of 88 company matches for cybersecurity services and solutions based in Alexandria, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	Invictus International Consulting, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	201-500	206 contacts →
	Exact match “Invictus is a leading provider of technology services for national security systems.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	DSD Laboratories	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	51-200	157 contacts →
	Exact match “DSD Laboratories delivers smart, dependable technology solutions that support critical national defense missions.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	Darkstar Intelligence	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	51-200	125 contacts →
	Exact match “DarkStar Intelligence is a Service-Disabled Veteran-Owned Small Business (SDVOSB) delivering advanced intelligence solutions to government and private sectors.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	Edgesource Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	51-200	114 contacts →
	Exact match “NATIONAL SECURITY EXPERTISE THAT POWERS MISSION SUCCESS Edgesource doesn't observe the mission from afar-we advance it from within.* 24/7/365 Vigilance * Automated Insights *…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Addx Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	51-200	112 contacts →
	Exact match “Tenacious by nature, Addx Corporation is a solutions integrator providing leading technology and mission-essential business services to the U.S.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	Onezero Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	201-500	68 contacts →
	Exact match “OneZero Solutions is an 8(a), Service-Disabled Veteran-Owned Small Business (SDVOSB) that is problem-solving and solutions-oriented.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	Advantage Sci, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	201-500	56 contacts →
	Exact match “Advantage SCI is a professional security and counterintelligence firm, headquartered in Alexandria, Virginia.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	Arrowpoint Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	51-200	47 contacts →
	Exact match “Arrowpoint, a MorphWorks company, has delivered premiere information technology and consulting services.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	Guroo LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	42 contacts →
	Exact match “GuROO LLC is a small business specializing in Information Technology solutions and services.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	Securicon, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	27 contacts →
	Exact match “Securicon provides expert consulting for application, system and network security.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	Focus Data Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	26 contacts →
	Exact match “Focus Data Solutions is Your Partner for Tomorrow’s IT.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Whitehawk INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	26 contacts →
	Exact match “At WhiteHawk, we streamline cybersecurity decision-making through a three-step approach: 1.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Safedns	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	23 contacts →
	Exact match “At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	TEAL	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	51-200	22 contacts →
	Exact match “Teal provides exceptional managed IT solutions for small- to medium-sized organizations that value real partnerships and elevated security - strategically accelerating their…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	Breeze END Technology, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	201-500	21 contacts →
	Exact match “Breeze End Technology offers a wide range of IT services by implementing the latest technological developments.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	World Services LLC Of Virginia	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	19 contacts →
	Exact match “World Services offers a wide variety of IT services to support enterprises at every level.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	Itondemand	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	51-200	16 contacts →
	Exact match “ITonDemand is a division of eResources, LLC.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	Antean Technology	Exact match	Alexandria, United StatesHQ recorded Sep 24, 2026	11-50	14 contacts →
	Exact match “3x Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	Envision Consulting LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	11 contacts →
	Exact match “Envision Consulting is an award-winning provider of proactive and full-service managed IT support, IT consulting, cloud solutions and cybersecurity, serving small and mid-sized…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20	Aligned Technology Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	10 contacts →
	Exact match “Since 2010 Aligned Technology Solutions has been helping organizations leverage and manage technology to grow and secure their businesses.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	Gray Tier Technologies, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	9 contacts →
	Exact match “Gray Tier Technolgies is a privately held company providing full cyclic cybersecurity services and products.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Secureninja Cybersecurity Training & Services	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	9 contacts →
	Exact match “SecureNinja provides highly specialized cybersecurity training and consulting services, as well as video production services targeted to the cybersecurity community.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23	Pendulum	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	1-10	9 contacts →
	Exact match “Pendulum is transforming cyber defense and information security.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	Patchadvisor, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	11-50	7 contacts →
	Exact match “PatchAdvisor is a complete IT security firm focused on providing world class IT security services to our clients.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	3p Solutions INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 24, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 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 and solutions”. 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 88 cybersecurity services and solutions based in Alexandria, United States

See the full list, filter by size, metro and specialty, and access 296 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity services and solutions based in Alexandria, United States at a glance

As of Sep 24, 2026

20.4%Verified-email coverage

16.5Average contacts per company

11-50Median size (employees)

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Alexandria, so it is reported there. Company counts and contact totals on this page are exact for Alexandria, over 88 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 Alexandria, United States whose business descriptions match “cybersecurity services and solutions” 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 296 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 24, 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 and solutions 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 and solutions”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity services and solutions are there based in Alexandria, United States?

RevenueBase identified 88 company matches for cybersecurity services and solutions associated with Alexandria, 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?

Invictus International Consulting, 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 cybersecurity services and solutions?

New York leads the United States with 457 company records, followed by Houston (271) and Washington (235). Alexandria has 88.

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 296 professional contacts with verified work emails tracked across these 88 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 24, 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.