Company lists · Data refreshed September 2026

Top 25 Tx IT services companies based in Herndon, United States

Name: Tx IT services 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 21, 2026 36 companies tracked

RevenueBase identified 36 company matches for tx IT services companies associated with Herndon, United States as of September 2026 and tracks 12,552 professional contacts across them, including 4,278 with verified work emails. Across the United States, New York is the largest hub for this category (346 companies); Herndon has 36.

This list covers company matches for tx IT services 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 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

36Companies

12,552Contacts tracked

4,278Verified emails

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The 25 largest tx IT services companies based in Herndon, United States

Ranked by team size

Top 25 of 36 company matches for tx IT services companies based in Herndon, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	9,697 contacts →
	Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Eplus INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,749 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 · Sep 21, 2026 · View company records in RevenueBase
3	Pcm-G	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	176 contacts →
	Exact match “PCM-G is a division of Insight Enterprises, Inc.\| Together, we’ll help you navigate complex IT challenges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	EMW	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	127 contacts →
	Exact match “EMW was founded in 1995 by engineers and managers who formerly held senior positions in well known telecommunications and information technology companies to pursue their vision…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Indigo IT LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
6	Globalvox	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	97 contacts →
	Exact match “GlobalVox has built its business on solid partnerships with leading technology providers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Ascella Technologies, INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	71 contacts →
	Exact match “Who We Are Ascella's founders are all veterans of the IT industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Vector Choice Technologies, LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	46 contacts →
	Exact match “Vector Choice Technologies is a U.S-based managed IT services provider (MSP) founded in 2008 by Will Nobles.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Sphinx Solutions INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10	Network Depot	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
11	IT Partners, INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	34 contacts →
	Exact match “Privately held and founded in 1993, IT Partners Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Rssi Onezero Solutions	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
13	Open Technology Group	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	31 contacts →
	Exact match “Founded in 1992, Open Technology Group is a small business providing information technology services to federal government clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Exatech Solutions, INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	29 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Molina Technologies	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	24 contacts →
	Exact match “We are a company which gives professional, technical support which helps solve your IT problems and maintain your IT systems, so you have more time to focus on your core business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Vissat Solutions	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	23 contacts →
	Exact match “Vissat Solutions, Inc is a Virginia-based small business founded in 2005.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Athena Technology Group	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	21 contacts →
	Exact match “Provides information and communications technology services to the military and government agencies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Tekbank	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	14 contacts →
	Exact match “TekBank is a provider of information technology resources and solutions to numerous commercial and government customers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Valianttek Group INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	8 contacts →
	Exact match “Valiant Tek deals with Staffing, Training, Software Development, IT Enterprise solutions, Network design and Architecture, Managed Services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Fatech IT Advisors	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	1-10	5 contacts →
	Exact match “Fatech IT Advisors is an IT solutions and professional services provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Elite Business Consulting	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
22	Vmark Solutions	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	1-10	5 contacts →
	Exact match “Welcome to Vmark Solutions!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Advanced Technical Solutions, LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	1-10	4 contacts →
	Exact match “Advanced Technical Solutions, LLC is a computer technology company that offers full-service network solutions to its customers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Tek-Star Corporation	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	2 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 · Sep 21, 2026 · View company records in RevenueBase
25	Arkinfocubes LLC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	1 contacts →
	Exact match “We provide technology solutions to businesses of all sizes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “tx IT services 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 36 tx IT services companies based in Herndon, United States

See the full list, filter by size, metro and specialty, and access 4,278 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tx IT services companies based in Herndon, United States at a glance

As of Sep 21, 2026

34.1%Verified-email coverage

348.7Average contacts per company

51-200Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

5,001-10,000

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 36 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 “tx IT services 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 4,278 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Tx IT services 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 “tx IT services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tx IT services companies are there based in Herndon, United States?

RevenueBase identified 36 company matches for tx IT services 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?

Mantech 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 tx IT services companies?

New York leads the United States with 346 company records, followed by Houston (241) and Miami (154). Herndon has 36.

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 4,278 professional contacts with verified work emails tracked across these 36 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.