Company lists · Data refreshed September 2026

Top 25 Secure software development companies based in Herndon, United States

Name: Secure software development companies based in Herndon, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 49 companies tracked

RevenueBase identified 49 company matches for secure software development companies associated with Herndon, United States as of September 2026 and tracks 1,555 professional contacts across them, including 619 with verified work emails. Across the United States, New York is the largest hub for this category (183 companies); Herndon has 49.

This list covers company matches for secure software development companies associated with Herndon, 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 14, 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 14, 2026 How this list was built

49Companies

1,555Contacts tracked

619Verified emails

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The 25 largest secure software development companies based in Herndon, United States

Ranked by team size

Top 25 of 49 company matches for secure software development companies based in Herndon, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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	Dark Wolf	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	501-1,000	348 contacts →
	Exact match “Dark Wolf provides DevSecOps agile software development, information operations, penetration testing and incident response, applied research and rapid prototyping, machine…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2	Foxhole Technology	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	117 contacts →
	Exact match “Foxhole Technology is a thought-leading technology firm offering a robust suite of cybersecurity, software development, systems engineering, and test & evaluation solutions for…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3	Indigo IT LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	101 contacts →
	Exact match “Founded in 2001, Indigo IT is an award winning information technology consulting and services company.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4	Truestone, LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	94 contacts →
	Exact match “Truestone provides full lifecycle, business driven technology and information security-oriented services and solutions across the public and private sectors.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5	Qvine Corporation	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	61 contacts →
	Exact match “QVine is a leading provider of Agile software development, cloud computing, big data, and other Information Technology (IT) services in the National Security and Defense sectors.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6	Chameleon Consulting Group LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	59 contacts →
	Exact match “Chameleon Consulting Group, LLC was founded by a small group of professionals with extensive experience in cyber operations, software engineering, data analysis, and physical…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7	AVINT	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	48 contacts →
	Exact match “Your Vision Achieved.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8	Solution Street	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	47 contacts →
	Exact match “We are a passionate team of builders and problem solvers!” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9	Etelligent Group	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	46 contacts →
	Exact match “15+ Years of Trusted IT Solutions for Federal Agencies- Data Security & Management: Safeguarding sensitive information with scalable, reliable solutions - Scalable Identity…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10	Athena Technology Group	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	45 contacts →
	Exact match “Cyber Security (Vulnerability Assessments, 24/7 Operations, Hunt Teams, Risk Management, Cyber Response) Program Management (Acquisition, Financial, Technology Insertion) System…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11	Sphinx Solutions INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	38 contacts →
	Exact match “Sphinx Solutions is an entrepreneurial cyber security company that helps private- and public-sector organizations take advantage of solutions that match today’s security…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12	MKGCS	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	34 contacts →
	Exact match “MKGCS is the premier software development company for advanced, large scale mission critical systems for commercial and government applications.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13	Network Depot	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	34 contacts →
	Exact match “Network Depot has been serving the DC Metro area since 1991, providing technical support and cybersecurity consulting.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14	Rssi Onezero Solutions	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	33 contacts →
	Exact match “In October 2021, OneZero Solutions, LCC (OneZero), a leading federal cybersecurity and IT solutions provider, announced its acquisition of Right-Sized Solutions Inc.(RSSi), a…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15	Roka Security, LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	27 contacts →
	Exact match “Roka Security, LLC is a computer security firm located in the Washington D.C.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16	Berryville Holdings, LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	25 contacts →
	Exact match “Berryville Holdings, LLC is a software development and services company dedicated to providing leading-edge technology solutions to customers whose security and operational…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17	Cloud Nine Technologies INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	19 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18	KLC Network Services, INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	16 contacts →
	Exact match “KLC Network Services, Incorporated is an SBA business based in Herndon, Virginia that provides technical solutions to our valued customers.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19	Iosentrix	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	13 contacts →
	Exact match “ioSENTRIX is a Cybersecurity Consulting firm.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20	Anthony Timbers LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	1-10	11 contacts →
	Exact match “After years of experience working with the Federal Government, it is apparent that cybersecurity is not operating at its highest potential.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21	The Reckon Crew	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	1-10	9 contacts →
	Exact match “At Reckon, we are the vanguard of a new era in government IT consulting, a small but mighty startup driven by a mission to empower government agencies with cutting-edge technology…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22	Smartedge It, LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	8 contacts →
	Exact match “SmartEdge IT, LLC is in the Business of Software Development and provider of Information Technology Services.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23	Itiyam	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	8 contacts →
	Exact match “ITiyam is a dedicated IT consulting and Software Development firm in USA.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24	Falls Technology LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	11-50	5 contacts →
	Exact match “Experienced, Personalized, IT Consulting” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25	Elite Business Consulting	Exact match	Herndon, VA, United StatesHQ recorded Sep 14, 2026	51-200	5 contacts →
	Exact match “we have collaborated with clients to amplify missions, resolve challenges, and engage communities.” Recorded in the RevenueBase company graph · Sep 14, 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 “secure software development companies”. 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 secure software development companies based in Herndon, United States

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Secure software development companies based in Herndon, United States at a glance

As of Sep 14, 2026

39.8%Verified-email coverage

31.7Average contacts per company

11-50Median size (employees)

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Herndon, so it is reported there. Company counts and contact totals on this page are exact for Herndon, 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 Herndon, United States whose business descriptions match “secure software development companies” 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 619 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 14, 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.

Secure software development companies 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 “secure software development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many secure software development companies are there based in Herndon, United States?

RevenueBase identified 49 company matches for secure software development companies associated with Herndon, 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?

Dark Wolf 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 secure software development companies?

New York leads the United States with 183 company records, followed by Houston (112) and Atlanta (109). Herndon 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 619 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 September 14, 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.