Company lists · Data refreshed September 2026

Top 25 Cybersecurity contractors based in Alexandria, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 87 companies tracked

RevenueBase identified 87 company matches for cybersecurity contractors associated with Alexandria, United States as of September 2026 and tracks 4,688 professional contacts across them, including 797 with verified work emails. Across the United States, New York is the largest hub for this category (293 companies); Alexandria has 87.

This list covers company matches for cybersecurity contractors 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 21, 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 21, 2026 How this list was built

87Companies

4,688Contacts tracked

797Verified emails

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The 25 largest cybersecurity contractors based in Alexandria, United States

Ranked by team size

Top 25 of 87 company matches for cybersecurity contractors based in Alexandria, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Systems Planning & Analysis	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,092 contacts →
	Exact match “Systems Planning & Analysis (SPA) is a leading global provider of data-driven analytical insights for critical national security programs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	VT Group VTG	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,168 contacts →
	Exact match “VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Invictus International Consulting, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4	Darkstar Intelligence	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5	Professional Solutions, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	51-200	124 contacts →
	Exact match “Founded in 2002, ProSol is an SDVOSB that delivers rapid, reliable solutions that contribute to the success of the U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Edgesource Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
7	SBG Technology Solutions, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	51-200	82 contacts →
	Exact match “SBG Technology Solutions, Inc.(SBG) a wholly-owned subsidiary of DSS, Inc, offers IT Governance, Program Management, Systems Engineering, Enterprise Modernization, Artificial…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Fedsync	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	51-200	69 contacts →
	Exact match “Federal Integrated Systems Corporation (FedSync) is a ISO 9001 Quality Management Systems Certified and SBA 8(a) certified vendor supporting multiple federal agencies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Onezero Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10	Advantage Sci, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
11	Arrowpoint Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
12	Commonwealth Technology Innovation, An HII Company	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	51-200	47 contacts →
	Exact match “CTI, an HII company, provides specialized hardware, software, and mission support to our nation’s Defense, Intelligence, and Security communities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Securicon, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	11-50	27 contacts →
	Exact match “Securicon provides expert consulting for application, system and network security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Focus Data Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	11-50	26 contacts →
	Exact match “Focus Data Solutions is Your Partner for Tomorrow’s IT.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Whitehawk INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
16	Polarisgov	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	11-50	15 contacts →
	Exact match “PolarisGov is a mission-focused small business built for secure delivery and operational precision.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Antean Technology	Exact match	Alexandria, United StatesHQ recorded Sep 21, 2026	11-50	14 contacts →
	Exact match “3x Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Integrated Resource Technologies	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	51-200	12 contacts →
	Exact match “Integrated Resource Technologies, Inc.(IRT) provides Intelligence Support Solutions; Operational Support; Security Services; and IT Solutions primarily to DoD and Intelligence…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Hybrid Data Security	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	51-200	10 contacts →
	Exact match “Typical firms provide highly trained and cleared professionals in a variety of specialties that include secure application development, business analytics, cyber security, program…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Gray Tier Technologies, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
21	Secureninja Cybersecurity Training & Services	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
22	Pendulum	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	1-10	9 contacts →
	Exact match “Pendulum is transforming cyber defense and information security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Patchadvisor, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
24	3p Solutions INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Tech Leader Solutions, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 21, 2026	1-10	7 contacts →
	Exact match “HUBZone Certified, Tech Leader Solutions, LLC provides Cybersecurity and IT Consulting services to CIOs and CTOs, supporting a wide range of IT programs through strategy…” Recorded in the RevenueBase company graph · Sep 21, 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 contractors”. 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 87 cybersecurity contractors based in Alexandria, United States

See the full list, filter by size, metro and specialty, and access 797 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity contractors based in Alexandria, United States at a glance

As of Sep 21, 2026

17.0%Verified-email coverage

53.9Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 87 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 contractors” 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 797 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 21, 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 contractors 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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity contractors are there based in Alexandria, United States?

RevenueBase identified 87 company matches for cybersecurity contractors 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?

Systems Planning & Analysis 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 contractors?

New York leads the United States with 293 company records, followed by Washington (220) and Austin (170). Alexandria has 87.

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 797 professional contacts with verified work emails tracked across these 87 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 21, 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.