Company lists · Data refreshed September 2026

Top 16 Cybersecurity integrators based in Falls Church, United States

RevenueBase identified 28 cybersecurity integrators headquartered in Falls Church, United States as of September 2026 and tracks 77,706 professional contacts across them, including 1,373 with verified work emails. Across the United States, New York is the largest hub for this category (514 companies); Falls Church has 28.

This list covers cybersecurity integrators headquartered in Falls Church, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
28Companies
77,706Contacts tracked
1,373Verified emails
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The 16 largest cybersecurity integrators based in Falls Church, United States

Ranked by team size
Top 16 of 28 cybersecurity integrators based in Falls Church, United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity integrators: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202610001+74,984 contacts →

Indirect evidence

“We are a close-knit community of big thinkers collaborating to keep the world safe.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202610001+1,495 contacts →

Indirect evidence

“General Dynamics Information Technology and CSRA have united to create the premier provider of high-tech IT solutions to the government IT market.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 2026501-1,000269 contacts →

Indirect evidence

“Markon is the leader across full-spectrum cyber and technology-enabled solutions for the most critical national security priorities.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 2026501-1,000218 contacts →

Indirect evidence

“Fortitude Systems provides your business with the horsepower to get the job done to drive your IT process faster and more efficiently.”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202651-200130 contacts →

Indirect evidence

“SpinSys-Diné develops systems integration solutions for cloud-based services, specializing in enterprise sustainment and modernization.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202651-20070 contacts →

Indirect evidence

“Agil3Tech founding principles bring over 35 years of experience in federal government service, contract administration, Command, Control, Communications, Computers, and…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202651-20046 contacts →

Indirect evidence

“XOR Security, An Agile Defense Company, is a cyber operations and engineering firm specializing in helping federal and commercial organizations understand the complexity of cyber…”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202651-20044 contacts →

Indirect evidence

“Network Security Systems Plus, Inc.(NSSPlus) is a growing Veteran owned Cyber Security Company that has been in business for over 15 years.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202651-20042 contacts →

Indirect evidence

“Established in 1984, ITG is a Global IT & Consulting Best Practices company that provides IT Systems, Services and Consulting Support to Government and Industry with a commitment…”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceFalls Church, United StatesHQ checked Sep 29, 202651-20042 contacts →

Indirect evidence

“Who We Are In the defense and intelligence sectors, mission success depends on collaboration, integrity and technology.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202651-20041 contacts →

Indirect evidence

“Sienna Systems is a SBA 8(a), and CVE-certified Service Disabled Veteran Owned Small Business (SDVOSB) providing technical and management consulting services to government and…”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202611-507 contacts →

Indirect evidence

“Elevate your business with Managed IT Services that deliver continuity and confidence!”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 20261-105 contacts →

Indirect evidence

“GlobalKynect Solutions, LLC (GlobalKynect) is a qualified Service-Disabled Veteran-Owned Small Business (SDVOSB) with proven talent and demonstrated information management…”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceFalls Church, VA, United StatesHQ checked Sep 29, 20261-104 contacts →

Partial evidence

“SandHurst-AEC is an architecture and engineering company that provides cybersecurity services for electronic safety and security of Industrial Control Systems.”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202611-503 contacts →

Partial evidence

“ITG is a federal tech integrator with a focus on building and supporting innovate platforms and technologies.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceFalls Church, VA, United StatesHQ checked Sep 29, 202611-501 contacts →

Indirect evidence

“Core Interface Corporation is a information technology company based in the Washington, DC metropolitan area serving the Federal Government.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 16 of 28 cybersecurity integrators based in Falls Church, United States

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Cybersecurity integrators based in Falls Church, United States at a glance

As of Sep 29, 2026
1.8%Verified-email coverage
2775.2Average contacts per company
11-50Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
8
11-50
8
51-200
7
501-1,000
2
10001+
3

Email recency for this list is measured across the whole United States list rather than for Falls Church, so it is reported there. Company counts and contact totals on this page are exact for Falls Church, over 28 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Falls Church, United States whose own description of what they do matches “cybersecurity integrators”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cybersecurity integrators, and records with no verified work email. Companies headquartered outside Falls Church are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,373 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Cybersecurity integrators by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cybersecurity integrators are there based in Falls Church, United States?

RevenueBase identified 28 cybersecurity integrators headquartered in Falls Church, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Northrop Grumman, headquartered in Falls Church, tops this list with the largest team on record.

Which city in the United States has the most cybersecurity integrators?

New York leads the United States with 514 headquartered companies, followed by Houston (316) and Washington (289). Falls Church has 28.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,373 verified decision-maker contacts tracked across these 28 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.