Company lists · Data refreshed November 2026

Top 16 Cybersecurity services and solutions based in Gaithersburg, United States

Name: Cybersecurity services and solutions based in Gaithersburg, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 26 companies tracked

RevenueBase identified 26 company matches for cybersecurity services and solutions associated with Gaithersburg, United States as of November 2026 and tracks 791 professional contacts across them, including 232 with verified work emails. Across the United States, New York is the largest hub for this category (539 companies); Gaithersburg has 26.

This list covers company matches for cybersecurity services and solutions associated with Gaithersburg, 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 November 6, 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 Nov 6, 2026 How this list was built

26Companies

791Contacts tracked

232Verified emails

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The 16 largest cybersecurity services and solutions based in Gaithersburg, United States

Ranked by team size

Top 16 of 26 company matches for cybersecurity services and solutions based in Gaithersburg, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Diaconia	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	51-200	89 contacts →
	Exact match “Service starts with a spark: one that illuminates breakthroughs and leaves a lasting impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Connsci	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	51-200	38 contacts →
	Exact match “Connsci is an award-winning Professional Services organization that provides Management Consulting, IT Solutions, Learning & Development and Cybersecurity services to the Health…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Tecfac Business Services Group	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	11-50	32 contacts →
	Exact match “Over 20 years of offering the best IT solutions to address industry challenges and drive growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Comtech Systems, INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	1-10	19 contacts →
	Exact match “In order to remain relevant in the digital age, your company needs the right technology to support your daily operations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Granilux Solutions	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “Granilux Solutions is a global security solutions integrator, providing systems design and installation, security advisory services, custom engineering and integrated product…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Netplus Group	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	51-200	14 contacts →
	Exact match “High-performing enterprises depend on smart, comprehensive security solutions to ensure vulnerabilities are identified and managed before extensive damage can occur.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Omninet	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “omniNET+ has been serving small and medium-sized businesses in the Washington DC metro area since We provide IT services (cyber security services, cloud computing, technical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Acro Systems INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “We are an IT company with expertise in Cloud Migration & Modernization, Application Development, Mobile Application Development, Cyber Security, Project Management, Consulting and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Technology Transition Paradigm, LLC	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “ITechnology Transition Paradigm offers a different approach to IT services-one that adapts to your business needs, ensuring you get the right solution, the right provider, and the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Motion Forward Technologies	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “Motion Forward Technologies is a cutting-edge technology firm specializing in comprehensive IT solutions for the Federal government.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Advanosys Security And Automation Technologies	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “The Advanosys provides design-build solutions for all of your Physical and Cyber Security, Automation, Life Safety and Facility Technology requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Intellosec	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Intellosec is a cybersecurity service company that provides solutions for commercial enterprises and government agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	edg.tech	Exact match	Gaithersburg, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “At EDG.tech, we understand the complexities of IT and offer a comprehensive suite of Managed Service Provider (MSP) offerings to meet your unique needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Montance LLC	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Montance® LLC is a trusted independent Information Security partner providing cybersecurity assessment, and framework development services enabling clients to create a new SOC, or…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	attronica.ai	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Attronica.ai is dedicated to safeguarding businesses against malicious AI threats and cyber attacks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Cognostrategy, LLC	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “At CognoStrategy, we forge the future of technology through strategic consulting, robust information technology infrastructure services, cutting-edge artificial intelligence &…” Recorded in the RevenueBase company graph · Nov 6, 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 services and solutions”. 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 16 of 26 cybersecurity services and solutions based in Gaithersburg, United States

See the full list, filter by size, metro and specialty, and access 232 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity services and solutions based in Gaithersburg, United States at a glance

As of Nov 6, 2026

29.3%Verified-email coverage

30.4Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Gaithersburg, so it is reported there. Company counts and contact totals on this page are exact for Gaithersburg, over 26 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 Gaithersburg, United States whose business descriptions match “cybersecurity services and solutions” 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 232 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 November 6, 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 services and solutions 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 services and solutions”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity services and solutions are there based in Gaithersburg, United States?

RevenueBase identified 26 company matches for cybersecurity services and solutions associated with Gaithersburg, United States as of November 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?

Diaconia 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 services and solutions?

New York leads the United States with 539 company records, followed by Houston (271) and Atlanta (256). Gaithersburg has 26.

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 232 professional contacts with verified work emails tracked across these 26 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 November 6, 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.