Company lists · Data refreshed November 2026
Top 21 IT security services based in Herndon, United States
RevenueBase identified 34 company matches for IT security services associated with Herndon, United States as of November 2026 and tracks 4,519 professional contacts across them, including 1,307 with verified work emails. Across the United States, New York is the largest hub for this category (329 companies); Herndon has 34.
This list covers company matches for IT security services 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 November 5, 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.
The 21 largest IT security services based in Herndon, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,928 contacts → | ||||
Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 1,901 contacts → | ||||
Exact match “ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 115 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 104 contacts → | ||||
Exact match “Founded in 2001, Indigo IT is an award winning information technology consulting and services company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 99 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 67 contacts → | ||||
Exact match “Network Design * Engineering * Integration * Operations * Security RCG has more than 35 years' experience supporting some of the world's largest and most highly visible IT…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 43 contacts → | ||||
Exact match “Your Vision Achieved.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 38 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 38 contacts → | ||||
Exact match “L2T is a rapidly growing technology company located in Herndon, VA, taking pride in our technical excellence as well as premium customer support.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 28 contacts → | ||||
Exact match “Roka Security, LLC is a computer security firm located in the Washington D.C.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 19 contacts → | ||||
Exact match “HawkB Inc specializes in digital security and IT consulting.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “ioSENTRIX is a Cybersecurity Consulting firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “Aristi is a cybersecurity firm based in the Washington DC metro area.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Welcome to Vmark Solutions!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “At TEK-STAR Corporation, we provide a wide range of IT services and consulting expertise to address your organization’s technological needs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “519 Consulting is a Philadelphia-based IT consulting firm that works closely with our clients to understand and define their specific needs to develop tailored, scalable solutions…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Westway Enterprises LLC is a transformational security company providing first of its kind security services to the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Falcon's View Consulting, LLC, is a solo cybersecurity professional services organization serving multiple verticals.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “RamWreck consulting provides information security and cloud architecture services to various organizations.” Recorded in the RevenueBase company graph · Nov 5, 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 “IT security 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 21 of 34 IT security services based in Herndon, United States
See the full list, filter by size, metro and specialty, and access 1,307 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT security services based in Herndon, United States at a glance
As of Nov 5, 2026Companies by employee count
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 34 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 “IT security 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 1,307 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 5, 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.
IT security services by metro in the United States
- IT security services in New York329
- IT security services in Houston184
- IT security services in Atlanta161
- IT security services in Austin157
- IT security services in Miami148
- IT security services in Washington144
- IT security services in Chicago140
- IT security services in Dallas134
- IT security services in Los Angeles113
- IT security services in San Francisco112
- IT security services in Tampa111
- IT security services in San Diego92
- IT security services in Denver84
- IT security services in Charlotte83
- IT security services in Phoenix79
- IT security services in Las Vegas74
- IT security services in Orlando73
- IT security services in Arlington72
- IT security services in Seattle70
- IT security services in San Antonio69
- IT security services in Boston65
- IT security services in Columbia62
- IT security services in Reston59
- IT security services in Alexandria53
- IT security services in Baltimore49
- IT security services in Plano49
- IT security services in San Jose47
- IT security services in Irvine46
- IT security services in Mclean46
- IT security services in Portland46
- IT security services in Richmond46
- IT security services in Raleigh45
- IT security services in Fairfax44
- IT security services in Sheridan44
- IT security services in Wilmington44
- IT security services in Columbus43
- IT security services in Nashville43
- IT security services in Minneapolis42
- IT security services in Indianapolis41
- IT security services in Fort Lauderdale40
- IT security services in Colorado Springs38
- IT security services in Scottsdale38
- IT security services in Huntsville37
- IT security services in Ashburn35
- IT security services in Pittsburgh35
- IT security services in Philadelphia34
- IT security services in Salt Lake City34
- IT security services in Alpharetta33
- IT security services in Jacksonville33
- IT security services in St. Louis32
- IT security services in Cincinnati31
- IT security services in Frisco31
- IT security services in St. Petersburg30
- IT security services in Birmingham29
- IT security services in Louisville29
- IT security services in Dover28
- IT security services in Springfield26
- IT security services in Fort Worth26
- IT security services in Knoxville25
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 “IT security services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security services are there based in Herndon, United States?
RevenueBase identified 34 company matches for IT security services associated with Herndon, 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?
Paragon Systems INC 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 IT security services?
New York leads the United States with 329 company records, followed by Houston (184) and Atlanta (161). Herndon has 34.
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 1,307 professional contacts with verified work emails tracked across these 34 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 34 IT security services based in Herndon, United States. Start with a free account, no credit card.
Download this list →Related lists
IT security services by geography
- IT security services based in Buenos Aires, Argentina
- IT security services based in Adelaide, Australia
- IT security services based in Brisbane, Australia
- IT security services based in Canberra, Australia
- IT security services based in Melbourne, Australia
- IT security services based in Perth, Australia
- IT security services based in Sydney, Australia
- IT security services based in Vienna, Austria
- IT security services based in Dhaka, Bangladesh
- IT security services based in Barueri, Brazil
- IT security services based in Belo Horizonte, Brazil
- IT security services based in Brasilia, Brazil
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT security services based in Buenos Aires, Argentina
- IT security services based in Adelaide, Australia
- IT security services based in Brisbane, Australia
- IT security services based in Canberra, Australia
- IT security services based in Melbourne, Australia
- IT security services based in Perth, Australia
Company intelligence · public preview
Top 21 IT security services based in Herndon, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 34 matching company records for IT security services based in Herndon, United States, with 4,519 tracked contacts and 1,307 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 IT security services based in Herndon, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Paragon Systems INCparasys.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,928 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Eplus INCeplus.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 1,901 contacts → |
“ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Foxhole Technologyfoxholetechnology.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 115 contacts → |
“Foxhole Technology is a thought-leading technology firm offering a robust suite of cybersecurity, software development, systems engineering, and test & evaluation solutions for…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Indigo IT LLCindigoit.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 104 contacts → |
“Founded in 2001, Indigo IT is an award winning information technology consulting and services company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Truestone, LLCtruestonefed.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 99 contacts → |
“Truestone provides full lifecycle, business driven technology and information security-oriented services and solutions across the public and private sectors.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Reston Consulting Group, INCrcg.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 67 contacts → |
“Network Design * Engineering * Integration * Operations * Security RCG has more than 35 years' experience supporting some of the world's largest and most highly visible IT…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AVINTavintllc.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 43 contacts → |
“Your Vision Achieved.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Network Depotnetworkdepot.usHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 38 contacts → |
“Network Depot has been serving the DC Metro area since 1991, providing technical support and cybersecurity consulting.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sphinx Solutions INCsphinxsolutionsinc.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 38 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  L2t, LLCl2tllc.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 38 contacts → |
“L2T is a rapidly growing technology company located in Herndon, VA, taking pride in our technical excellence as well as premium customer support.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Roka Security, LLCrokasecurity.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 28 contacts → |
“Roka Security, LLC is a computer security firm located in the Washington D.C.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hawkb, INChawkbinc.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 19 contacts → |
“HawkB Inc specializes in digital security and IT consulting.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Iosentrixiosentrix.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 12 contacts → |
“ioSENTRIX is a Cybersecurity Consulting firm.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Anthony Timbers LLCanthonytimbers.comHQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 11 contacts → |
“After years of experience working with the Federal Government, it is apparent that cybersecurity is not operating at its highest potential.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Aristi Technologies, INCaristitech.comHQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 5 contacts → |
“Aristi is a cybersecurity firm based in the Washington DC metro area.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Vmark Solutionsvmarksolutions.comHQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 4 contacts → |
“Welcome to Vmark Solutions!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Tek-Star Corporationtekstarusa.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 3 contacts → |
“At TEK-STAR Corporation, we provide a wide range of IT services and consulting expertise to address your organization’s technological needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  519 Consulting519consulting.comHQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 2 contacts → |
“519 Consulting is a Philadelphia-based IT consulting firm that works closely with our clients to understand and define their specific needs to develop tailored, scalable solutions…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Westway Enterpriseswestwayllc.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 1 contacts → |
“Westway Enterprises LLC is a transformational security company providing first of its kind security services to the U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Falcon's View Consulting, LLCsecureconsulting.netHQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 1 contacts → |
“Falcon's View Consulting, LLC, is a solo cybersecurity professional services organization serving multiple verticals.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ramwreck Consulting LLCramwreckconsulting.comHQ: Herndon, United StatesReported employees: 1-10 | Herndon, United States | 1-10 | Exact match | 1 contacts → |
“RamWreck consulting provides information security and cloud architecture services to various organizations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 34 company matches
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IT security services: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
34 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 34 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT security services by metro in the United States
- IT security services in New York329
- IT security services in Houston184
- IT security services in Atlanta161
- IT security services in Austin157
- IT security services in Miami148
- IT security services in Washington144
- IT security services in Chicago140
- IT security services in Dallas134
- IT security services in Los Angeles113
- IT security services in San Francisco112
- IT security services in Tampa111
- IT security services in San Diego92
- IT security services in Denver84
- IT security services in Charlotte83
- IT security services in Phoenix79
- IT security services in Las Vegas74
- IT security services in Orlando73
- IT security services in Arlington72
- IT security services in Seattle70
- IT security services in San Antonio69
- IT security services in Boston65
- IT security services in Columbia62
- IT security services in Reston59
- IT security services in Alexandria53
- IT security services in Baltimore49
- IT security services in Plano49
- IT security services in San Jose47
- IT security services in Irvine46
- IT security services in Mclean46
- IT security services in Portland46
- IT security services in Richmond46
- IT security services in Raleigh45
- IT security services in Fairfax44
- IT security services in Sheridan44
- IT security services in Wilmington44
- IT security services in Columbus43
- IT security services in Nashville43
- IT security services in Minneapolis42
- IT security services in Indianapolis41
- IT security services in Fort Lauderdale40
- IT security services in Colorado Springs38
- IT security services in Scottsdale38
- IT security services in Huntsville37
- IT security services in Ashburn35
- IT security services in Pittsburgh35
- IT security services in Philadelphia34
- IT security services in Salt Lake City34
- IT security services in Alpharetta33
- IT security services in Jacksonville33
- IT security services in St. Louis32
- IT security services in Cincinnati31
- IT security services in Frisco31
- IT security services in St. Petersburg30
- IT security services in Birmingham29
- IT security services in Louisville29
- IT security services in Dover28
- IT security services in Springfield26
- IT security services in Fort Worth26
- IT security services in Knoxville25
Questions about this company list
What does Exact match mean for IT security services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT security services did RevenueBase find based in Herndon, United States?
The saved snapshot records 34 matching company records, 4,519 tracked contacts and 1,307 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT security services by geography
- IT security services based in Buenos Aires, Argentina
- IT security services based in Adelaide, Australia
- IT security services based in Brisbane, Australia
- IT security services based in Canberra, Australia
- IT security services based in Melbourne, Australia
- IT security services based in Perth, Australia
- IT security services based in Sydney, Australia
- IT security services based in Vienna, Austria
- IT security services based in Dhaka, Bangladesh
- IT security services based in Barueri, Brazil
- IT security services based in Belo Horizonte, Brazil
- IT security services based in Brasilia, Brazil
Cite this list
RevenueBase Data Team. Top 21 IT security services based in Herndon, United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-services/united-states/herndon.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT security services based in Buenos Aires, Argentina
- IT security services based in Adelaide, Australia
- IT security services based in Brisbane, Australia
- IT security services based in Canberra, Australia
- IT security services based in Melbourne, Australia
- IT security services based in Perth, Australia
Company intelligence · public preview
Top 21 IT security services based in Herndon, United States
RevenueBase records 34 matching company records for IT security services based in Herndon, United States, with 4,519 tracked contacts and 1,307 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 IT security services based in Herndon, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Paragon Systems INCparasys.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,928 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Eplus INCeplus.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 1,901 contacts → |
“ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Foxhole Technologyfoxholetechnology.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 115 contacts → |
“Foxhole Technology is a thought-leading technology firm offering a robust suite of cybersecurity, software development, systems engineering, and test & evaluation solutions for…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Indigo IT LLCindigoit.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 104 contacts → |
“Founded in 2001, Indigo IT is an award winning information technology consulting and services company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Truestone, LLCtruestonefed.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 99 contacts → |
“Truestone provides full lifecycle, business driven technology and information security-oriented services and solutions across the public and private sectors.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Reston Consulting Group, INCrcg.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 67 contacts → |
“Network Design * Engineering * Integration * Operations * Security RCG has more than 35 years' experience supporting some of the world's largest and most highly visible IT…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AVINTavintllc.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 43 contacts → |
“Your Vision Achieved.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Network Depotnetworkdepot.us HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 38 contacts → |
“Network Depot has been serving the DC Metro area since 1991, providing technical support and cybersecurity consulting.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sphinx Solutions INCsphinxsolutionsinc.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 38 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | L2t, LLCl2tllc.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 38 contacts → |
“L2T is a rapidly growing technology company located in Herndon, VA, taking pride in our technical excellence as well as premium customer support.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Roka Security, LLCrokasecurity.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 28 contacts → |
“Roka Security, LLC is a computer security firm located in the Washington D.C.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hawkb, INChawkbinc.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 19 contacts → |
“HawkB Inc specializes in digital security and IT consulting.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Iosentrixiosentrix.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 12 contacts → |
“ioSENTRIX is a Cybersecurity Consulting firm.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Anthony Timbers LLCanthonytimbers.com HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 11 contacts → |
“After years of experience working with the Federal Government, it is apparent that cybersecurity is not operating at its highest potential.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Aristi Technologies, INCaristitech.com HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 5 contacts → |
“Aristi is a cybersecurity firm based in the Washington DC metro area.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Vmark Solutionsvmarksolutions.com HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 4 contacts → |
“Welcome to Vmark Solutions!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Tek-Star Corporationtekstarusa.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 3 contacts → |
“At TEK-STAR Corporation, we provide a wide range of IT services and consulting expertise to address your organization’s technological needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 519 Consulting519consulting.com HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 2 contacts → |
“519 Consulting is a Philadelphia-based IT consulting firm that works closely with our clients to understand and define their specific needs to develop tailored, scalable solutions…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Westway Enterpriseswestwayllc.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 1 contacts → |
“Westway Enterprises LLC is a transformational security company providing first of its kind security services to the U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Falcon's View Consulting, LLCsecureconsulting.net HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 1 contacts → |
“Falcon's View Consulting, LLC, is a solo cybersecurity professional services organization serving multiple verticals.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ramwreck Consulting LLCramwreckconsulting.com HQ: Herndon, United StatesReported employees: 1-10 | Herndon, United States | 1-10 | Exact match | 1 contacts → |
“RamWreck consulting provides information security and cloud architecture services to various organizations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 34 company matches
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IT security services: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
34 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 34 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
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Questions about this company list
What does Exact match mean for IT security services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT security services did RevenueBase find based in Herndon, United States?
The saved snapshot records 34 matching company records, 4,519 tracked contacts and 1,307 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 21 IT security services based in Herndon, United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-services/united-states/herndon.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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