Company lists · Data refreshed September 2026
Top 16 Cybersecurity managed services providers based in Columbia, United States
RevenueBase identified 46 cybersecurity managed services providers headquartered in Columbia, United States as of September 2026 and tracks 1,802 professional contacts across them, including 632 with verified work emails. Across the United States, New York is the largest hub for this category (195 companies); Columbia has 46.
This list covers cybersecurity managed services providers headquartered in Columbia, 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 16 largest cybersecurity managed services providers based in Columbia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 696 contacts → | ||||
Indirect evidence “Protect Your Endpoints, Identities, Logs, and Employees.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 495 contacts → | ||||
Strong evidence “VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 119 contacts → | ||||
Partial evidence “SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 101 contacts → | ||||
Partial evidence “DP Solutions is an award-winning Managed Services Provider (MSP), earning recognition from industry leaders such as CRN®, MSPmentor, SmartCEO and The Daily Record.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 63 contacts → | ||||
Partial evidence “Sourcefire, Inc.(Nasdaq:FIRE), a world leader in intelligent cybersecurity solutions, is transforming the way global mid- to large-size organizations and government agencies…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 38 contacts → | ||||
Partial evidence “Cetrom was founded in 2001 based on the vision that there was an easier, more cost-effective option to managing technology resources.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 29 contacts → | ||||
Indirect evidence “For over two decades, Advantage Industries has worked collaboratively with our clients in understanding complex business processes, identifying needs, and providing…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 28 contacts → | ||||
Indirect evidence “At Atruent, we’re not just another IT provider, we’re a purpose-driven team with a clear vision, mission, and a culture we live every day.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 8 contacts → | ||||
Indirect evidence “Cyber Protection Services is a certified SDVOSB dedicated to protecting businesses against the cyber threats that evolve daily.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Partial evidence “Our Secure360 platform is a holistic redefinition of what world-class cybersecurity strategies can be.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 contacts → | ||||
Indirect evidence “The success of a small business depends on their technology.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Indirect evidence “We design, build and support networks for small to medium businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Indirect evidence “Coefficient Technologies provides the most up-to-date cyber security solutions, strategies, and IT services to help companies defend themselves from known and unknown APTs and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Indirect evidence “Today, data has become the world’s most valuable (and vulnerable) resource.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Partial evidence “Traversed provides Managed IT Services, Incident Response, and Data Recovery Services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1 contacts → | ||||
Partial evidence “Many small businesses avoid cybersecurity because they are overwhelmed or by it, or because they feel uncertain, assuming they are 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 managed services providers. 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 managed services providers.
- Partial evidence
- Its own public description names part of cybersecurity managed services providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity managed services providers. 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 16 of 46 cybersecurity managed services providers based in Columbia, United States
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Cybersecurity managed services providers based in Columbia, 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 Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 46 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 managed services providers, 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 Columbia, United States whose own description of what they do matches “cybersecurity managed services providers”. 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 managed services providers), 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 managed services providers, and records with no verified work email. Companies headquartered outside Columbia 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, 632 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 managed services providers by metro in the United States
- Cybersecurity managed services providers in New York195
- Cybersecurity managed services providers in Houston128
- Cybersecurity managed services providers in Austin112
- Cybersecurity managed services providers in Atlanta109
- Cybersecurity managed services providers in Dallas99
- Cybersecurity managed services providers in Miami99
- Cybersecurity managed services providers in Chicago97
- Cybersecurity managed services providers in Tampa90
- Cybersecurity managed services providers in Washington75
- Cybersecurity managed services providers in Los Angeles64
- Cybersecurity managed services providers in San Francisco63
- Cybersecurity managed services providers in San Diego62
- Cybersecurity managed services providers in Charlotte56
- Cybersecurity managed services providers in Phoenix52
- Cybersecurity managed services providers in Las Vegas51
- Cybersecurity managed services providers in San Antonio47
- Cybersecurity managed services providers in Boston46
- Cybersecurity managed services providers in Denver44
- Cybersecurity managed services providers in Irvine42
- Cybersecurity managed services providers in Orlando42
- Cybersecurity managed services providers in Arlington40
- Cybersecurity managed services providers in Alexandria36
- Cybersecurity managed services providers in Scottsdale34
- Cybersecurity managed services providers in Wilmington34
- Cybersecurity managed services providers in Portland33
- Cybersecurity managed services providers in Raleigh33
- Cybersecurity managed services providers in Fort Lauderdale32
- Cybersecurity managed services providers in Reston32
- Cybersecurity managed services providers in San Jose32
- Cybersecurity managed services providers in Huntsville30
- Cybersecurity managed services providers in Plano30
- Cybersecurity managed services providers in Seattle30
- Cybersecurity managed services providers in Fairfax29
- Cybersecurity managed services providers in Baltimore27
- Cybersecurity managed services providers in Cincinnati25
- Cybersecurity managed services providers in Jacksonville25
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 managed services providers, 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 managed services providers are there based in Columbia, United States?
RevenueBase identified 46 cybersecurity managed services providers headquartered in Columbia, 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?
Huntress, headquartered in Columbia, tops this list with the largest team on record.
Which city in the United States has the most cybersecurity managed services providers?
New York leads the United States with 195 headquartered companies, followed by Houston (128) and Austin (112). Columbia has 46.
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 632 verified decision-maker contacts tracked across these 46 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.
Ready to reach these companies? Verified emails and direct dials for all 46 cybersecurity managed services providers based in Columbia, United States. Start with a free account, no credit card.
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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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