Company lists · Data refreshed November 2026

Top 25 Ciso services based in Fairfax, United States

Name: Ciso services based in Fairfax, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 49 companies tracked

RevenueBase identified 49 company matches for ciso services associated with Fairfax, United States as of November 2026 and tracks 1,579 professional contacts across them, including 381 with verified work emails. Across the United States, New York is the largest hub for this category (355 companies); Fairfax has 49.

This list covers company matches for ciso services associated with Fairfax, 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

49Companies

1,579Contacts tracked

381Verified emails

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The 25 largest ciso services based in Fairfax, United States

Ranked by team size

Top 25 of 49 company matches for ciso services based in Fairfax, 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	MAG Aerospace	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	744 contacts →
	Exact match “MAG is a leader in delivering Command, Control, Communication, Computers, Cyber, Intelligence, Surveillance and Reconnaissance (C5ISR) services at the tactical edge with premier…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	American Technology Services	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	75 contacts →
	Exact match “American Technology Services (ATS) operates as both a managed services provider (MSP) and a managed security services provider (MSSP) for high-growth and regulated organizations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	True Zero Technologies	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	73 contacts →
	Exact match “True Zero Technologies ("True Zero") is a seasoned, Veteran-Owned Small Business (VOSB) specializing in comprehensive cybersecurity and consulting services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Information Management Group, INC	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	70 contacts →
	Exact match “Information Management Group, Inc.(IMG) was founded in 1987.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Usmax Corporation	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	40 contacts →
	Exact match “USmax Corporation is an ISO 9001:2015 registered, ISO registered, ISO 27001:2013 registered, and CMMI-SVC Level 3 appraised Enterprise Information Technology (IT) and Professional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Harmonytech	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	28 contacts →
	Exact match “HarmonyTech is a leading-edge IT professional services provider that is ISO 9001:2015 registered, CMMI DEV /SVC 3 appraised, that specializes in Agile/DevSecOps Delivery, App Dev…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Sensei Enterprises	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Sensei Enterprises, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Total Cyber Solutions	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1-10	23 contacts →
	Exact match “We provide Vulnerability services including: Vulnerability Assessments Penetration Testing Compliance and Policy Analysis Cybersecurity as a Service (also known as MSP) Cloud…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Alethix Llc, An Agile Defense Company	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	22 contacts →
	Exact match “Alethix LLC, An Agile Defense Company, is an SBA certified 8(a) and Economically Disadvantaged Woman Owned Small Business (EDWOSB – 8m) headquartered in Virginia with experience…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Senet International	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	19 contacts →
	Exact match “SeNet International Corporation is a company of information technology consulting professionals committed to helping public and private sector organizations securely operate their…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Polito, INC	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Jacob & Sundstrom	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	15 contacts →
	Exact match “Jacob & Sundstrom, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Assurit	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “CMMC Level 2 \| CAGE 6VE87 \| UEI DL3JL6J1XG98 \| SBA 8(a)\| 8(a) STARS \| HACS SINs \| CMMI-SVC \| ISO 9001 \| ISO 27001 \| ISO \| Assurit, an 8(a) certified and recognized leader in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Lp3	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	10 contacts →
	Exact match “LP3 is a highly experienced cyber and integration company with offices in Fairfax, VA, Syracuse, NY, St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Elite Systems INC	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “Systems Integration, Cloud Migration, Software Development, Network Security, Applications Security, Industrial Cyber Security Quality Assurance, RF Benchmark, Wireless…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Invex Technology Solutions	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “We develop cost-effective innovative consulting and technology solutions to CIO’s, systems engineering and architecture organizations, and implementation teams through dependable…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Techclarity	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1-10	5 contacts →
	Exact match “Since 2003, TechClarity has served as a trusted partner to small- and medium-sized businesses across the Washington, DC metropolitan area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Asyncrob Corporation	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “ASYNCROB Corporation was in formed in 2001 to provide consulting support with Telephony /IT integration for the Commercial and Public Sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Cleared Systems	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “Headquartered in Fairfax, VA, Cleared Systems specializes in helping federal contractors and highly regulated organizations meet cybersecurity and compliance requirements under…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Emagine It, INC	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	3 contacts →
	Exact match “Emagine IT is an information technology services and consulting company based in the Washington, DC metropolitan area that specializes in delivering cost conscious, innovative…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Strong Cyber Solutions LLC	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Strong Cyber Solutions is a leading company specialized in providing professional and affordable SOC 2, ISO 27001, and other cyber compliance solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Faded Jeans Technology	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “We specialize in transforming security and compliance from a perceived obstacle into a strategic growth enabler.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Beskar	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Beskar delivers secure, scalable infrastructure for businesses and government agencies that need to protect sensitive data without slowing down operations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Waveport Security	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “LEADING CYBER SOLUTIONS WavePort Security applies proven tools, professional services, and years of cyber-focused experience to create security strategies that provide unrivaled…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Xpect Solutions, INC	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	51-200	1 contacts →
	Exact match “If securing your IT systems, network infrastructure, and facilities is foremost on your mind, Xpect Solutions can help.” 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 “ciso 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 25 of 49 ciso services based in Fairfax, United States

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Ciso services based in Fairfax, United States at a glance

As of Nov 6, 2026

24.1%Verified-email coverage

32.2Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Fairfax, so it is reported there. Company counts and contact totals on this page are exact for Fairfax, over 49 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 Fairfax, United States whose business descriptions match “ciso 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 381 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.

Ciso 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 “ciso services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ciso services are there based in Fairfax, United States?

RevenueBase identified 49 company matches for ciso services associated with Fairfax, 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?

MAG Aerospace 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 ciso services?

New York leads the United States with 355 company records, followed by Houston (212) and Atlanta (181). Fairfax has 49.

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 381 professional contacts with verified work emails tracked across these 49 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.