Company lists · Data refreshed October 2026

Top 25 Cybersecurity services firms based in Alexandria, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 57 companies tracked

RevenueBase identified 57 company matches for cybersecurity services firms associated with Alexandria, United States as of October 2026 and tracks 748 professional contacts across them, including 128 with verified work emails. Across the United States, New York is the largest hub for this category (276 companies); Alexandria has 57.

This list covers company matches for cybersecurity services firms 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 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

57Companies

748Contacts tracked

128Verified emails

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The 25 largest cybersecurity services firms based in Alexandria, United States

Ranked by team size

Top 25 of 57 company matches for cybersecurity services firms based in Alexandria, 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	Invictus International Consulting, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	Strategic Security	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	n/a	113 contacts →
	Exact match “Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Onezero Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
4	Advantage Sci, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Arrowpoint Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	Securicon, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “Securicon provides expert consulting for application, system and network security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Focus Data Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	11-50	26 contacts →
	Exact match “Focus Data Solutions is Your Partner for Tomorrow’s IT.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Whitehawk INC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
9	Aligned Technology Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
10	Gray Tier Technologies, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
11	Secureninja Cybersecurity Training & Services	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
12	Pendulum	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	9 contacts →
	Exact match “Pendulum is transforming cyber defense and information security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Patchadvisor, INC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
14	Tech Leader Solutions, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
15	Aptnexus	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Founded in 2012, APTNEXUS is a premier provider of IT Services with a specialization in cybersecurity governance, risk, and compliance solutions for both information and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	SWG Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “At SWG, we provide comprehensive, cost-effective professional services support and expertise in system engineering solutions for our customer’s complex mission and enterprise IT…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Rosetech Marketing	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “A specialized marketing agency with deep domain knowledge of cybersecurity, data analytics, integrated risk management, software engineering, and strategy and transformation for…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Cerium Technology, INC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	11-50	3 contacts →
	Exact match “Cerium Technology Services was established in 2009 to provide professional and affordable IT services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Fusion Technology Strategies, INC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Fusion Technology Strategies (Fusion) is an SBA-certified Woman-Owned Small Business (WOSB) that specializes in delivering exceptional Cyber Security, CIO and CISO Advisory…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Data Defense Solutions	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Security Staff Augmentation DDS can help to augment your security staff as you build and grow your internal security team.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Lc&j Security Solutions LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “LC & J Security Solutions is a proudly certified women-owned cybersecurity firm specializing in securing identities, critical data, and digital assets.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Intelligent Data INC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	11-50	2 contacts →
	Exact match “We are a cybersecurity professional services company that implements security solutions for Federal, State, Local, Commercial, Education, and SMB entities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Secure Consulting Solutions LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Secure Solutions DC is a forward-thinking cybersecurity firm specializing in network and application penetration testing, securing networks in compliance with DFARS/NIST 800-53…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Securible, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Securible, LLC is an information security service provider offering training, implementation and support to organizations of all sizes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Petreski & Company, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Petreski & Co.” 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 25 of 57 cybersecurity services firms based in Alexandria, United States

See the full list, filter by size, metro and specialty, and access 128 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 1, 2026

17.1%Verified-email coverage

13.1Average contacts per company

1-10Median size (employees)

Oct 1, 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 57 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 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 128 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 Alexandria, United States?

RevenueBase identified 57 company matches for cybersecurity services firms associated with Alexandria, 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?

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 firms?

New York leads the United States with 276 company records, followed by Washington (154) and Austin (153). Alexandria has 57.

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 128 professional contacts with verified work emails tracked across these 57 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.