Company lists · Data refreshed September 2026

Top 25 Federal government consulting services based in Herndon, United States

Name: Federal government consulting services 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 58 companies tracked

RevenueBase identified 58 company matches for federal government consulting services associated with Herndon, United States as of September 2026 and tracks 13,500 professional contacts across them, including 4,098 with verified work emails. Across the United States, Washington is the largest hub for this category (303 companies); Herndon has 58.

This list covers company matches for federal government consulting 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 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

58Companies

13,500Contacts tracked

4,098Verified emails

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The 25 largest federal government consulting services based in Herndon, United States

Ranked by team size

Top 25 of 58 company matches for federal government consulting services 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	Iron BOW Technologies	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	501-1,000	841 contacts →
	Exact match “We deliver mission success through next-generation solutions across government, healthcare, and commercial markets.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Zenetex	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	477 contacts →
	Exact match “Zenetex, pronounced zə-`net-iks, specializes in management and technology support services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	LTS	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	356 contacts →
	Exact match “From disaster response and automated healthcare kiosks to occupational health services and federal IT consulting, we operate at the intersection of mission-critical need and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	GAP Solutions, INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	501-1,000	341 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Netimpact Strategies INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	201-500	254 contacts →
	Exact match “NetImpact has been a Trusted Advisor driving impact through digital transformation for the Federal Government for over a decade.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	ASI Government	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	192 contacts →
	Exact match “For nearly two decades, ASI Government has served as a trusted advisor to government leaders seeking to improve mission performance, enhance organizational effectiveness and drive…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Idea Entity	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	145 contacts →
	Exact match “Idea Entity makes ideas real through the application of technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Solerity	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	201-500	128 contacts →
	Exact match “Since 1991, Solerity, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	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
11	Makpar	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	87 contacts →
	Exact match “Makpar is a comprehensive professional and technical solutions provider for the Federal government.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	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
13	Akima Global Technology	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	68 contacts →
	Exact match “Akima Global Technology is a technology solutions, program management and support company that collaborates with technology partners and the Federal Government to deliver IT…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Etelligent Group	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15	Synapse Business Systems, INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	35 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	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
17	Oran 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
18	IP Network Solutions	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	26 contacts →
	Exact match “At IPNS, we work exclusively in the Federal marketplace, providing agencies in the Civilian, Defense and Intelligence communities with advanced IT systems solutions and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Tundra Federal	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	51-200	25 contacts →
	Exact match “Tundra Federal provides agile, innovated and trusted information technology solutions to the Federal Government and Federal Integrators.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	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
21	Fierce Software	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	16 contacts →
	Exact match “Fierce Software is more than a trusted IT solutions provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Cortechs, Inc. DBA B12 Government Solutions	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	16 contacts →
	Exact match “B12 Government Solutions is a leader in “advancing the art and science of delivering quality software”, and providing Consulting Services for Federal, State and Local Government…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Digital Alliance	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	11-50	14 contacts →
	Exact match “About Us Delivering Practical Information Technology Solutions Digital Alliance provides technology-enabled services and strategies to help an extensive variety of industries…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	The Reckon Crew	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
25	Integrity Intelligence INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 21, 2026	1-10	7 contacts →
	Exact match “Integrity Intelligence is an IT Professional Services corporation started by senior technology leaders who left successful careers to return to a small, customer focused company…” 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 “federal government consulting 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 58 federal government consulting services based in Herndon, United States

See the full list, filter by size, metro and specialty, and access 4,098 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Federal government consulting services based in Herndon, United States at a glance

As of Sep 21, 2026

30.4%Verified-email coverage

232.8Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 58 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 “federal government consulting 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 4,098 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.

Federal government consulting 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 “federal government consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal government consulting services are there based in Herndon, United States?

RevenueBase identified 58 company matches for federal government consulting services 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 federal government consulting services?

Washington leads the United States with 303 company records, followed by Arlington (124) and Reston (93). Herndon has 58.

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 4,098 professional contacts with verified work emails tracked across these 58 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.