Company lists · Data refreshed September 2026

Top 22 IT security companies based in Arlington, United States

Name: IT security companies based in Arlington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 45 companies tracked

RevenueBase identified 45 IT security companies headquartered in Arlington, United States as of September 2026 and tracks 666 professional contacts across them, including 334 with verified work emails. New York is the largest hub.

This list covers IT security companies headquartered in Arlington, 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

45Companies

666Contacts tracked

334Verified emails

Unlock all 45 companies Free signup · no credit card · 500 free credits

The 22 largest IT security companies based in Arlington, United States

Ranked by team size

Top 22 of 45 IT security companies based in Arlington, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names IT security companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	CybastionIndirect evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	51-200	56
	“CYBASTION develops robust world-class cybersecurity solutions tailored to suit the needs of different businesses, governments and public sector entities.” Source: company website · checked Sep 4, 2026
2	SUN ManagementPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	32
	“Sun Management is a customer focused cybersecurity & advanced network solutions firm providing products and services that help solve your most difficult IT challenges.” Source: company website · checked Sep 4, 2026
3	The Soter GroupIndirect evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	15
	“The Soter Group is a small business based in Arlington, Virginia.” Source: company website · checked Sep 4, 2026
4	Hancock & Poole Security INCPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	11
	“Hancock & Poole Security (HPS) Inc.” Source: company website · checked Sep 4, 2026
5	The Enterprise Security ConsultantsPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	7
	“The Enterprise Security Consultants, LLC (dba TES Consultants) is an 8(a) Woman-Owned Small Business (WOSB) delivering industry leading cybersecurity and information technology…” Source: company website · checked Sep 4, 2026
6	NeuvikPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	7
	“Neuvik is a cybersecurity services company organized into cross-discipline offerings focused on integrating assessments and risk management into comprehensive security solutions.” Source: company website · checked Sep 4, 2026
7	Alico Cyber SolutionsPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	7
	“Alico Cyber Solutions provides information security serving highly satisfied customers in both the federal and private sectors.” Source: company website · checked Sep 4, 2026
8	CyberblackIndirect evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	6
	“Cyberblack is an Arlington, Virginia based consulting firm that specializes in providing commercial, government and personal solutions in the cybersecurity field.” Source: company website · checked Sep 4, 2026
9	Amplify Managed ServicesPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	4
	“Amplify is a managed service provider (MSP) focused on cybersecurity and IT support and management for small to medium businesses.” Source: company website · checked Sep 4, 2026
10	PrydetechIndirect evidence	Arlington, TX, United StatesHQ checked Sep 4, 2026	1-10	4
	“Can your cybersecurity really be the make or break of your company?” Source: company website · checked Sep 4, 2026
11	Cybervault SolutionsIndirect evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	3
	“At CyberVault Solutions, we do more than just deliver cybersecurity-we build lasting partnerships rooted in trust, collaboration, and measurable results.” Source: company website · checked Sep 4, 2026
12	Shieldsurge ConsultingStrong evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	3
	“Shieldsurge Consulting is a boutique cybersecurity firm specializing in multiple areas of operational IT security, including security engineering, critical incident response…” Source: company website · checked Sep 4, 2026
13	JagkumarStrong evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	2
	“Led by a 20-year veteran of the tech industry, JagKumar’s experienced team delivers IT support, security, staffing, and infrastructure with an emphasis on physical security: CCTV…” Source: company website · checked Sep 4, 2026
14	Inqwest INCStrong evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	2
	“InQwest Inc was founded in 2015 in Arlington, Virginia, by passionate members working within the IT Security Community.” Source: company website · checked Sep 4, 2026
15	Teamlogic IT Arlington, VAIndirect evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	11-50	2
	“Washington DC Metropolitan area, Are you looking for a dependable, proactive and responsive Services and Solutions You can Count On?” Source: company website · checked Sep 4, 2026
16	LedgeropsPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	2
	“LedgerOps provides threat feed data products and cybersecurity services to protect Web2 + Web3 companies from rapidly evolving security threats.” Source: company website · checked Sep 4, 2026
17	Lipovsky Consulting Group, LLCPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	2
	“Lipovsky Consulting Group, LLC (LCG) is a management consulting and IT solution provider specialized in Cybersecurity, Compliance, and Enterprise Risk Management, with clients in…” Source: company website · checked Sep 4, 2026
18	Q3 Tech Group, LLCIndirect evidence	Arlington, TX, United StatesHQ checked Sep 4, 2026	1-10	2
	“Q3 Tech Group, LLC is a company based out of 4381 W Green Oaks Blvd, Arlington, TX, United States.” Source: company website · checked Sep 4, 2026
19	Manageit SecurityPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	2
	“ManageIT Security is a woman-owned small business (WOSB) that provides Cybersecurity consulting services to federal and private sector clients.” Source: company website · checked Sep 4, 2026
20	VancepointIndirect evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	1
	“VancePoint is an innovative technology services and solutions provider with a core focus on cybersecurity.” Source: company website · checked Sep 4, 2026
21	Boundary Cyber Security INCPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	1
	“Boundary can help your organization meet the security, confidentiality, availability and privacy requirements of one or more regulations.” Source: company website · checked Sep 4, 2026
22	Enyaw Security GroupPartial evidence	Arlington, VA, United StatesHQ checked Sep 4, 2026	1-10	1
	“ENYAW Security Group is an information assurance and security consulting firm that is delivering better solutions for information assurance needs.” Source: company website · checked Sep 4, 2026

Showing 22 of 45 IT security companies based in Arlington, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 334 reachable decision-makers.

Free signup · no credit card

See all 45 companies

IT security companies based in Arlington, United States at a glance

As of Sep 4, 2026

1-10Median size (employees)

New YorkLargest hub · 163 HQs

Contacts with mobile numbers

Sep 4, 2026Data 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 this city, so it is reported there. Company counts and contact totals on this page are exact for Arlington, over 45 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 IT security companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Arlington, United States whose own description of what they do matches “IT security companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among IT security companies, and records with no verified work email. Companies headquartered outside Arlington 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 an evidence 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, 334 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 4, 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.

IT security companies by metro in the United States

Frequently asked

How many IT security companies are there based in Arlington, United States?

RevenueBase identified 45 IT security companies headquartered in Arlington, 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?

Cybastion, headquartered in Arlington, tops this list with the largest team on record.

Which city has the most IT security companies?

New York leads with 163 headquartered companies, followed by Miami (102) and Houston (99).

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 334 verified decision-maker contacts tracked across these 45 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 4, 2026.

Ready to reach these companies? Verified emails and direct dials for all 45 IT security companies based in Arlington, United States. Start with a free account, no credit card.

Get the full list

Related lists

IT security companies by geography

Browse the directory

Browse: Companies home · IT security companies in United States · All United States lists · All IT security companies lists · New lists

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.