Company lists · Data refreshed September 2026
Top 25 Cybersecurity management services based in Baltimore, United States
RevenueBase identified 60 cybersecurity management services headquartered in Baltimore, United States as of September 2026 and tracks 1,420 professional contacts across them, including 600 with verified work emails. Across the United States, New York is the largest hub for this category (376 companies); Baltimore has 60.
This list covers cybersecurity management services headquartered in Baltimore, 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 management services based in Baltimore, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 904 contacts → | ||||
Indirect evidence “ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 79 contacts → | ||||
Indirect evidence “Technology should push your business forward, not create friction, risk, or uncertainty.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 66 contacts → | ||||
Indirect evidence “We Manage your IT needs so you don't have to.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 33 contacts → | ||||
Indirect evidence “Companies come to ISE when they need to find and fix their security vulnerabilities and prove their tech is secure.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 30 contacts → | ||||
Partial evidence “NewPush: Next-Gen MSSP with Continuous Threat Exposure Management (CTEM) The NewPush Platform™ delivers enterprise-grade exposure management, transforming security from reactive…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 24 contacts → | ||||
Indirect evidence “Cyber security consulting firm providing consulting services to government and industry partners.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 24 contacts → | ||||
Partial evidence “BCR Cyber is a leading provider of comprehensive cybersecurity training, testing, certification, and job placement services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 contacts → | ||||
Partial evidence “A Cybersecurity Firm Focused on Mitigating Risk, Increasing Resilience, & Locking Down Organizational Data, while ensuring Regulatory Compliance.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Indirect evidence “Cyber Engineering Services, Incorporated (CyberESI) is a Managed Detection and Response (MDR) Provider founded in 2010.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 16 contacts → | ||||
Partial evidence “AMS Technologies is a Minority Owned, SBA HUBZone approved, SDB cybersecurity firm with a powerful focus on network/software modeling, design & engineering.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Indirect evidence “Founded in 2010 by a United States Navy Veteran and a federal government employee, DUIT is a woman owned and minority owned information technology company that has quickly emerged…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Indirect evidence “FutureFeed is the leading Cyber-GRC platform used by scores of contractors and backed by an international partner network of 169 professional firms (and counting).” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Partial evidence “Agile Care Enterprises Technologies LLC is a premiere veteran's owned IT services and cybersecurity consultancy serving organizations committed to preserving our past, securing…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 13 contacts → | ||||
Partial evidence “Blueberry Security is a cybersecurity operations consulting business targeted at making cost-effective, or even free solutions for medium-enterprise size businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Indirect evidence “SOS Technology Group is a full-service IT consulting company focused on delivering IT Services and Security Solutions to businesses across the USA.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 contacts → | ||||
Indirect evidence “For nearly two decades, Avid Practice has served as the "Chief Technology Officer","Chief Information Office" and Support desk for high-profile clients and hedge funds around the…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Partial evidence “Cybersecurity Insiders is the trusted source for data-driven cybersecurity insights.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 contacts → | ||||
Indirect evidence “At S3 Integration, L.L.C, we are proud to offer the power and experience of a large company with the agility, responsiveness, and personal attention of a small company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Partial evidence “We provide comprehensive cybersecurity services designed to protect your business from the complex and evolving digital threat landscape.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Partial evidence “TCecure is a Maryland-based MBE/DBE/SBE cybersecurity and intelligence company, providing security architecture, engineering, assessment, training, and consulting services to…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Partial evidence “Cybersecurity company with an expertise in Cybersecurity Consulting, IT Training and Bootcamps.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “Maddrix is a professional services and technology company who's mission is to help the U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial evidence “Our mission is to develop humanized cybersecurity compliance programs that create sustainable security and confidence for SaaS-based organizations and Government Agencies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “RushIT LLC vision is to secure the federal state and local governments In addition to offering Cyber Security services to Government's clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Partial evidence “A modern cybersecurity consulting firm for the emerging digital world Your organization moves fast, the technology you need moves faster.” 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 management services. 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 management services.
- Partial evidence
- Its own public description names part of cybersecurity management services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity management services. 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 60 cybersecurity management services based in Baltimore, United States
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Cybersecurity management services based in Baltimore, 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 Baltimore, so it is reported there. Company counts and contact totals on this page are exact for Baltimore, over 60 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 management services, 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 Baltimore, United States whose own description of what they do matches “cybersecurity management services”. 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 management services), 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 management services, and records with no verified work email. Companies headquartered outside Baltimore 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, 600 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 management services by metro in the United States
- Cybersecurity management services in New York376
- Cybersecurity management services in Houston242
- Cybersecurity management services in Austin195
- Cybersecurity management services in Washington194
- Cybersecurity management services in Atlanta193
- Cybersecurity management services in Miami181
- Cybersecurity management services in Dallas173
- Cybersecurity management services in Chicago164
- Cybersecurity management services in Tampa144
- Cybersecurity management services in San Francisco142
- Cybersecurity management services in San Diego124
- Cybersecurity management services in Los Angeles106
- Cybersecurity management services in Denver102
- Cybersecurity management services in Charlotte100
- Cybersecurity management services in Arlington95
- Cybersecurity management services in Las Vegas92
- Cybersecurity management services in San Antonio92
- Cybersecurity management services in Columbia86
- Cybersecurity management services in Boston82
- Cybersecurity management services in Reston82
- Cybersecurity management services in Alexandria80
- Cybersecurity management services in Phoenix78
- Cybersecurity management services in Orlando76
- Cybersecurity management services in Seattle71
- Cybersecurity management services in Irvine67
- Cybersecurity management services in Wilmington64
- Cybersecurity management services in Mclean60
- Cybersecurity management services in Fairfax59
- Cybersecurity management services in Portland56
- Cybersecurity management services in Raleigh55
- Cybersecurity management services in San Jose54
- Cybersecurity management services in Plano53
- Cybersecurity management services in Huntsville50
- Cybersecurity management services in Fort Lauderdale49
- Cybersecurity management services in Sheridan49
- Cybersecurity management services in Ashburn47
- Cybersecurity management services in Herndon46
- Cybersecurity management services in Columbus45
- Cybersecurity management services in Richmond45
- Cybersecurity management services in Minneapolis44
- Cybersecurity management services in Jacksonville42
- Cybersecurity management services in Nashville42
- Cybersecurity management services in Cincinnati41
- Cybersecurity management services in Pittsburgh41
- Cybersecurity management services in Scottsdale41
- Cybersecurity management services in Vienna41
- Cybersecurity management services in Alpharetta40
- Cybersecurity management services in Colorado Springs40
- Cybersecurity management services in Philadelphia40
- Cybersecurity management services in Frisco37
- Cybersecurity management services in Indianapolis37
- Cybersecurity management services in Dover34
- Cybersecurity management services in Leesburg34
- Cybersecurity management services in Sacramento34
- Cybersecurity management services in Springfield33
- Cybersecurity management services in Albuquerque32
- Cybersecurity management services in Chantilly32
- Cybersecurity management services in Fort Worth32
- Cybersecurity management services in Salt Lake City31
- Cybersecurity management services in Boca Raton30
- Cybersecurity management services in Knoxville30
- Cybersecurity management services in Louisville29
- Cybersecurity management services in Omaha28
- Cybersecurity management services in Rockville28
- Cybersecurity management services in Tulsa28
- Cybersecurity management services in Birmingham27
- Cybersecurity management services in Newark27
- Cybersecurity management services in Bethesda26
- Cybersecurity management services in Honolulu26
- Cybersecurity management services in Irving26
- Cybersecurity management services in Annapolis25
- Cybersecurity management services in Madison25
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 management services, 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 management services are there based in Baltimore, United States?
RevenueBase identified 60 cybersecurity management services headquartered in Baltimore, 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?
Zerofox, headquartered in Baltimore, tops this list with the largest team on record.
Which city in the United States has the most cybersecurity management services?
New York leads the United States with 376 headquartered companies, followed by Houston (242) and Austin (195). Baltimore has 60.
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 600 verified decision-maker contacts tracked across these 60 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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