Company lists · Data refreshed September 2026
Top 25 Cybersecurity system integrators based in Mclean, United States
RevenueBase identified 52 cybersecurity system integrators headquartered in Mclean, United States as of September 2026 and tracks 4,510 professional contacts across them, including 1,454 with verified work emails. Across the United States, New York is the largest hub for this category (193 companies); Mclean has 52.
This list covers cybersecurity system integrators headquartered in Mclean, 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 28, 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.
The 25 largest cybersecurity system integrators based in Mclean, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,234 contacts → | ||||
Partial evidence “22nd Century Technologies Inc,(22nd) is a mid-size Service Integrator, focused on providing IP enabled managed services and solutions to Federal, State and Local governments.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 523 contacts → | ||||
Indirect evidence “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 445 contacts → | ||||
Strong evidence “As a dynamic systems integrator, SMS offers proven solutions in engineering, operations, cybersecurity, and digital transformation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 342 contacts → | ||||
Strong evidence “Groundswell is a specialized, highly agile systems integrator delivering advanced technology solutions as a trusted mission partner to federal agencies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 255 contacts → | ||||
Partial evidence “Prescient Edge is a veteran-owned and managed tier-1 technology integrator, specializing in delivering intelligence-driven solutions that ensure mission-critical success.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 254 contacts → | ||||
Indirect evidence “About VMD VMD, now a part of Xcelerate Solutions, is a leading defense and national security company, delivering integrated solutions in enterprise security, strategic consulting…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 187 contacts → | ||||
Strong evidence “Headquartered in McLean, Va, B&A is a leading information technology systems integrator providing solutions through the following service offerings: Modernization &…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 160 contacts → | ||||
Partial evidence “Merlin is a powerful ecosystem of cybersecurity investment, innovation, technical expertise, and go-to-market acceleration with 25 years of experience working with the U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 152 contacts → | ||||
Partial evidence “Valiant Solutions, LLC stands out as a premier provider of Cybersecurity and IT services aiding the Federal Government in staying ahead of complex information security challenges.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 152 contacts → | ||||
Indirect evidence “NDi is a Verified Service-Disabled Veteran Owned Small Business [SDVOSB] professional services firm, supporting Federal and Commercial customers since 1995.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 135 contacts → | ||||
Partial evidence “Easy Dynamics Corporation is a leading technology services provider with a core focus in Cybersecurity, Cloud Computing, and Information Sharing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 107 contacts → | ||||
Indirect evidence “Saliense is a high-end Technology Solutions provider based out of Tysons Corner, VA.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 103 contacts → | ||||
Indirect evidence “Communications Resource, Inc.(CRI) is a minority and Woman-Owned Small Business with over 30 years of focused security performance supporting over 40 government and commercial…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 61 contacts → | ||||
Partial evidence “MOXFIVE is cybersecurity company helping organizations respond to incidents and minimize the risk of future attacks.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 53 contacts → | ||||
Partial evidence “BreakPoint Labs, a Valiant Solutions Company, delivers offensive and defensive cybersecurity to the Department of War, federal agencies, and commercial organizations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 31 contacts → | ||||
Partial evidence “Squadra Solutions delivers expert cybersecurity architecture, engineering, and advisory services to federal agencies, enterprises, and higher education institutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 31 contacts → | ||||
Indirect evidence “RunSafe Security protects embedded software across critical infrastructure, delivering automated vulnerability identification and software hardening from build-time to runtime to…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 21 contacts → | ||||
Indirect evidence “Digital Global Connectors, LLC, is a Woman Owned Small Business that provides Cyber Security and Information Assurance services to the Federal and Private sectors, with core…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 20 contacts → | ||||
Indirect evidence “TVAR Solutions is a small business enterprise solutions provider with a decades-long proven track record of solving the complex technical challenges of the Federal Government and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 13 contacts → | ||||
Indirect evidence “CACG, LLC is a mission-focused technology partner delivering secure IT solutions for the U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence “CWN specializes in automation and secure integration to provide industry-ready solutions using the latest technologies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 11 contacts → | ||||
Indirect evidence “Axxum Technologies is a premier provider of Network Communications and Information Technology Security Solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “Experts in Cyber Security focusing on assessment, compliance, FedRAMP advisory, and IT and OT penetration testing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 8 contacts → | ||||
Indirect evidence “The Shattuck Group is a cyber security engineering firm that specializes in protecting workloads from insider threats.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Indirect evidence “Most organizations believe they're protected.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity system integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cybersecurity system integrators.
- Partial evidence
- Its own public description names part of cybersecurity system integrators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity system integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 52 cybersecurity system integrators based in Mclean, United States
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Cybersecurity system integrators based in Mclean, United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Mclean, so it is reported there. Company counts and contact totals on this page are exact for Mclean, over 52 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 system 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 Mclean, United States whose own description of what they do matches “cybersecurity system 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 system 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 system integrators, and records with no verified work email. Companies headquartered outside Mclean 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, 1,454 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 28, 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 system integrators by metro in the United States
- Cybersecurity system integrators in New York193
- Cybersecurity system integrators in Houston142
- Cybersecurity system integrators in Washington135
- Cybersecurity system integrators in Austin119
- Cybersecurity system integrators in Atlanta117
- Cybersecurity system integrators in Miami115
- Cybersecurity system integrators in Dallas114
- Cybersecurity system integrators in Tampa99
- Cybersecurity system integrators in Chicago96
- Cybersecurity system integrators in San Diego80
- Cybersecurity system integrators in Columbia70
- Cybersecurity system integrators in San Francisco70
- Cybersecurity system integrators in Los Angeles68
- Cybersecurity system integrators in Charlotte67
- Cybersecurity system integrators in Arlington63
- Cybersecurity system integrators in San Antonio62
- Cybersecurity system integrators in Reston59
- Cybersecurity system integrators in Denver57
- Cybersecurity system integrators in Alexandria52
- Cybersecurity system integrators in Orlando52
- Cybersecurity system integrators in Phoenix51
- Cybersecurity system integrators in Seattle50
- Cybersecurity system integrators in Boston49
- Cybersecurity system integrators in Las Vegas49
- Cybersecurity system integrators in Baltimore46
- Cybersecurity system integrators in Huntsville44
- Cybersecurity system integrators in Fairfax42
- Cybersecurity system integrators in San Jose42
- Cybersecurity system integrators in Ashburn40
- Cybersecurity system integrators in Irvine40
- Cybersecurity system integrators in Raleigh40
- Cybersecurity system integrators in Herndon38
- Cybersecurity system integrators in Scottsdale37
- Cybersecurity system integrators in Wilmington37
- Cybersecurity system integrators in Plano36
- Cybersecurity system integrators in Indianapolis33
- Cybersecurity system integrators in Pittsburgh32
- Cybersecurity system integrators in Fort Lauderdale31
- Cybersecurity system integrators in Chantilly30
- Cybersecurity system integrators in Portland30
- Cybersecurity system integrators in Sheridan30
- Cybersecurity system integrators in Vienna28
- Cybersecurity system integrators in Frisco27
- Cybersecurity system integrators in Rockville27
- Cybersecurity system integrators in Springfield27
- Cybersecurity system integrators in Dover26
- Cybersecurity system integrators in Nashville26
- Cybersecurity system integrators in Richmond26
- Cybersecurity system integrators in Colorado Springs25
- Cybersecurity system integrators in Leesburg25
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 system 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 system integrators are there based in Mclean, United States?
RevenueBase identified 52 cybersecurity system integrators headquartered in Mclean, 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?
22nd Century Technologies INC, headquartered in Mclean, tops this list with the largest team on record.
Which city in the United States has the most cybersecurity system integrators?
New York leads the United States with 193 headquartered companies, followed by Houston (142) and Washington (135). Mclean has 52.
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 1,454 verified decision-maker contacts tracked across these 52 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 28, 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.
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