Company lists · Data refreshed September 2026

Top 25 Cybersecurity contractors based in Columbia, United States

Name: Cybersecurity contractors 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 109 companies tracked

RevenueBase identified 109 company matches for cybersecurity contractors associated with Columbia, United States as of September 2026 and tracks 4,787 professional contacts across them, including 1,445 with verified work emails. Across the United States, New York is the largest hub for this category (293 companies); Columbia has 109.

This list covers company matches for cybersecurity contractors 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

109Companies

4,787Contacts tracked

1,445Verified emails

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The 25 largest cybersecurity contractors based in Columbia, United States

Ranked by team size

Top 25 of 109 company matches for cybersecurity contractors 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	Planned Systems International	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	1,001-5,000	611 contacts →
	Exact match “Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	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
4	Intelligenesis LLC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	121 contacts →
	Exact match “IntelliGenesis delivers AI, cyber, data, and workforce capabilities for national security and high-consequence environments.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Systems Engineering Group	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	119 contacts →
	Exact match “Founded in 1991, and Headquartered in Columbia, MD, Systems Engineering Group, Inc.(SEG) is a wholly-owned subsidiary of Astrion.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	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
7	Synergy ECP	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	201-500	106 contacts →
	Exact match “Welcome to Synergy ECP, the most trusted partner in navigating the complex landscape of cybersecurity and digital transformation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Advanced Programs, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	102 contacts →
	Exact match “Embark on a mission with Advanced Programs, Inc,(API) – where innovation meets impact!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Silveredge Government Solutions	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	201-500	88 contacts →
	Exact match “SilverEdge, An SAIC Company, is a next generation provider of innovative and proprietary cybersecurity, software, and intelligence solutions for the Defense and Intelligence…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	RED Alpha	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	75 contacts →
	Exact match “We are always striving to "Bring Digital Transformation to the Fight".” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	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
12	Chiron Technology Services, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	59 contacts →
	Exact match “Chiron Technology Services is a cybersecurity and mission-support company delivering advanced cyber operations training, workforce development, engineering services, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Jasint Innovative Solutions	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	58 contacts →
	Exact match “JASINT is a Maryland based Limited Liability Company that began its business operations and staffing in July 2007.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Applied Network Solutions, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	57 contacts →
	Exact match “We operate at the intersection of network engineering and cybersecurity, providing secure, scalable, and high-performing architectures for our customers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	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
16	Clear Ridge Defense	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	57 contacts →
	Exact match “Clear Ridge Defense, headquartered in Columbia, MD, is a boutique cyberspace operations defense contracting firm that specializes in acquiring full-spectrum cyberspace talent in…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	The Kenjya-Trusant Group LLC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	56 contacts →
	Exact match “KTG is an SBA-verified Service-Disabled, Veteran-Owned Small Business with more than two decades of proven success supporting the United States, federal, state, and local…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Visual Connections Sdvosb	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	55 contacts →
	Exact match “Whether you’re seeking IT solutions or telecommunications and cabling, Visual Connections offers a spectrum of services to meet the needs of government and commercial clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Technology Advancement Center TAC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	54 contacts →
	Exact match “Technology Advancement Center (TAC) is a nonprofit fueling the people and technology needed to solve critical cybersecurity and defense technology challenges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Constellation Technologies, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	53 contacts →
	Exact match “Constellation Technologies, Inc.(CTI) provides cyber engineers, integrators, administrators and experts that have the right blending of experiences and multi-spectral knowledge…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Reflexive Concepts	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	40 contacts →
	Exact match “Reflexive Concepts is a Baltimore-based small business dedicated to providing the Intelligence Community, Department of Defense, and industry partners with top-tier technology…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Edwards Performance Solutions	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	39 contacts →
	Exact match “Edwards Performance Solutions helps clients improve operational performance by finding ways to improve productivity, profitability, and security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Secom Security	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	37 contacts →
	Exact match “A trusted security partner for over 20 years, Secom provides state-of-the-art security solutions to commercial properties, government, religious institutions, and schools and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Cyberpoint International	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	51-200	34 contacts →
	Exact match “CyberPoint is dedicated to advancing the discipline of cybersecurity through imagination, technical excellence, and an unparalleled passion for our work.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	2hb Incorporated	Exact match	Columbia, MD, United StatesHQ recorded Sep 21, 2026	11-50	33 contacts →
	Exact match “2HB Software Design, Inc, d/b/a 2HB Incorporated, was founded in 1994 and has established itself as a premier service provider for over 29+ years supporting the intelligence…” 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 “cybersecurity contractors”. 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 25 of 109 cybersecurity contractors based in Columbia, United States

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Cybersecurity contractors based in Columbia, United States at a glance

As of Sep 21, 2026

30.2%Verified-email coverage

43.9Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 109 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 “cybersecurity contractors” 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 1,445 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.

Cybersecurity contractors 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 “cybersecurity contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 109 company matches for cybersecurity contractors 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 cybersecurity contractors?

New York leads the United States with 293 company records, followed by Washington (220) and Austin (170). Columbia has 109.

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 1,445 professional contacts with verified work emails tracked across these 109 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.