Company lists · Data refreshed September 2026

Top 19 Managed cybersecurity services based in Columbia, United States

Name: Managed cybersecurity services based in Columbia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 50 companies tracked

RevenueBase identified 50 company matches for managed cybersecurity services associated with Columbia, United States as of September 2026 and tracks 1,766 professional contacts across them, including 568 with verified work emails. Across the United States, New York is the largest hub for this category (228 companies); Columbia has 50.

This list covers company matches for managed cybersecurity services associated with Columbia, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 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 RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

50Companies

1,766Contacts tracked

568Verified emails

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The 19 largest managed cybersecurity services based in Columbia, United States

Ranked by team size

Top 19 of 50 company matches for managed cybersecurity services based in Columbia, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Huntress	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	501-1,000	696 contacts →
	Exact match “Protect Your Endpoints, Identities, Logs, and Employees.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Vc3	Exact match	Columbia, SC, United StatesHQ recorded Sep 21, 2026	501-1,000	495 contacts →
	Exact match “VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Sealing Technologies, A Parsons Company	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	119 contacts →
	Exact match “SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Sourcefire, Part Of Cisco	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	501-1,000	63 contacts →
	Exact match “Sourcefire, Inc.(Nasdaq:FIRE), a world leader in intelligent cybersecurity solutions, is transforming the way global mid- to large-size organizations and government agencies…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Envieta Systems LLC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	57 contacts →
	Exact match “Envieta’s mission is to secure our clients' systems through hardware, software and cryptographic expertise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Cetrom Information Technology, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	38 contacts →
	Exact match “Cetrom was founded in 2001 based on the vision that there was an easier, more cost-effective option to managing technology resources.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Advantage Industries, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	29 contacts →
	Exact match “For over two decades, Advantage Industries has worked collaboratively with our clients in understanding complex business processes, identifying needs, and providing…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Cyber Protection Services	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	8 contacts →
	Exact match “Cyber Protection Services is a certified SDVOSB dedicated to protecting businesses against the cyber threats that evolve daily.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Camelot Secure	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	8 contacts →
	Exact match “Our Secure360 platform is a holistic redefinition of what world-class cybersecurity strategies can be.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Redroverit	Exact match	Columbia, MS, United StatesHQ recorded Sep 21, 2026	1-10	5 contacts →
	Exact match “The success of a small business depends on their technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Captivator Technologies	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	4 contacts →
	Exact match “Captivator TECHNOLOGIES is a growing digital solutions provider specializing in delivering innovative and efficient solutions tailored to the needs of businesses and individuals.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Trimia, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “We have over 30 years of real world experience in identifying and developing innovative technologies and solutions to help meet our customers Data and Cyber Security challenges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Stewart Technology Group	Exact match	Columbia, MO, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “We design, build and support networks for small to medium businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Coefficient Technologies LLC DBA Surveillent Cyber	Exact match	Columbia, SC, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Greysys LLC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “Greysys LLC is a small information security focused research and development company based in Maryland.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Interceptor Cyberops	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	2 contacts →
	Exact match “Today, data has become the world’s most valuable (and vulnerable) resource.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Traversed	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Traversed provides Managed IT Services, Incident Response, and Data Recovery Services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Panoptcy Security	Exact match	Columbia, SC, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Panoptcy Security is a cybersecurity firm that combines high-level talent, advanced tools, interdisciplinary models, and data science to advance cyber resiliency.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Banshee Cybersecurity LLC	Exact match	Columbia, MO, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Many small businesses avoid cybersecurity because they are overwhelmed or by it, or because they feel uncertain, assuming they are protected.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “managed cybersecurity services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 19 of 50 managed cybersecurity services based in Columbia, United States

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Managed cybersecurity services based in Columbia, United States at a glance

As of Sep 21, 2026

32.2%Verified-email coverage

35.3Average contacts per company

1-10Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 50 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with Columbia, United States whose business descriptions match “managed cybersecurity services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 568 professional contacts with verified work emails across the full matched dataset. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Managed cybersecurity services by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “managed cybersecurity services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed cybersecurity services are there based in Columbia, United States?

RevenueBase identified 50 company matches for managed cybersecurity services associated with Columbia, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Huntress tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most managed cybersecurity services?

New York leads the United States with 228 company records, followed by Houston (132) and Austin (116). Columbia has 50.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 568 professional contacts with verified work emails tracked across these 50 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 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.