Company lists · Data refreshed September 2026
Top 21 Federal contractors based in Herndon, United States
RevenueBase identified 33 company matches for federal contractors associated with Herndon, United States as of September 2026 and tracks 13,662 professional contacts across them, including 3,794 with verified work emails. Across the United States, Washington is the largest hub for this category (35 companies); Herndon follows with 33.
This list covers company matches for federal contractors 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 16, 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 federal contractors based in Herndon, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,697 contacts → | ||||
Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 1,698 contacts → | ||||
Exact match “Akima is a global enterprise delivering comprehensive solutions to the federal government in the core areas of information technology; facilities & ground logistics; aerospace…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 477 contacts → | ||||
Exact match “Zenetex, pronounced zə-`net-iks, specializes in management and technology support services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 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 16, 2026 · View company records in RevenueBase | |||||
| 5 | 239 contacts → | ||||
Exact match “NVE, established in 2003, is dedicated to optimizing U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 128 contacts → | ||||
Exact match “Since 1991, Solerity, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 102 contacts → | ||||
Exact match “ALKU Government Solutions is a National Security Defense Contractor serving the defense, energy, homeland security and intelligence communities.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 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 16, 2026 · View company records in RevenueBase | |||||
| 9 | 87 contacts → | ||||
Exact match “Makpar is a comprehensive professional and technical solutions provider for the Federal government.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 85 contacts → | ||||
Exact match “Founded in 2012, Stillwater remains committed to supporting the Veteran community, national security, and the defense sector while evolving into a diversified solutions provider…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 71 contacts → | ||||
Exact match “Who We Are Ascella's founders are all veterans of the IT industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 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 16, 2026 · View company records in RevenueBase | |||||
| 13 | 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 16, 2026 · View company records in RevenueBase | |||||
| 14 | 27 contacts → | ||||
Exact match “At TPGS, we understand and value the unique needs of our government clients and industry partners as well as the pressing need to complete projects on time.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 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 16, 2026 · View company records in RevenueBase | |||||
| 16 | 21 contacts → | ||||
Exact match “Provides information and communications technology services to the military and government agencies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 18 contacts → | ||||
Exact match “LR-Associates, LLC (LRA) is a Small Business Administration (SBA) certified 8(a), Small Disadvantaged Business (SDB) and Service Disabled Veteran Owned Small Business (SDVOSB)…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “At Modern Government Solutions (MGS), we deliver mission-critical solutions that empower the Department of Defense, Intelligence Community, and federal agencies to achieve…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 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 16, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Acelar provides Enterprise-wide Information Technology and Consulting services to several DoD Agencies (Navy, Army, Defense Logistics Agency, Defense Security Cooperation Agency)…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “We’ve helped federal customers with the tools, technology, and talent to accomplish a variety of missions designed to better serve their mission, be it modernizing their…” Recorded in the RevenueBase company graph · Sep 16, 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 contractors”. 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 33 federal contractors based in Herndon, United States
See the full list, filter by size, metro and specialty, and access 3,794 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Federal contractors based in Herndon, United States at a glance
As of Sep 16, 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 33 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 contractors” 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 3,794 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 16, 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 contractors 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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many federal contractors are there based in Herndon, United States?
RevenueBase identified 33 company matches for federal contractors 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 contractors?
Washington leads the United States with 35 company records, followed by Herndon (33) and Mclean (31).
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 3,794 professional contacts with verified work emails tracked across these 33 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 33 federal contractors based in Herndon, United States. Start with a free account, no credit card.
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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.
More company lists
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- Lists by location
- Lists A-Z
- New lists
- Federal contractors based in Alexandria, United States
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Company intelligence · public preview
Top 21 federal contractors 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 33 matching company records for federal contractors based in Herndon, United States, with 13,662 tracked contacts and 3,794 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: September 16, 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 federal contractors 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 |  Mantechmantech.comHQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 9,697 contacts → |
“MANTECH is more than a technology company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AKIMAakima.comHQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 1,698 contacts → |
“Akima is a global enterprise delivering comprehensive solutions to the federal government in the core areas of information technology; facilities & ground logistics; aerospace…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Zenetexzenetex.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 477 contacts → |
“Zenetex, pronounced zə-`net-iks, specializes in management and technology support services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LTSlts.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 356 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | NVEnvecorp.com HQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 239 contacts → |
“NVE, established in 2003, is dedicated to optimizing U.S.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Soleritysolerity.comHQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 128 contacts → |
“Since 1991, Solerity, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Alku Government Solutionsalkugovernmentsolutions.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 102 contacts → |
“ALKU Government Solutions is a National Security Defense Contractor serving the defense, energy, homeland security and intelligence communities.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Indigo IT LLCindigoit.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 101 contacts → |
“Founded in 2001, Indigo IT is an award winning information technology consulting and services company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Makparmakpar.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 87 contacts → |
“Makpar is a comprehensive professional and technical solutions provider for the Federal government.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Stillwater Human Capital LLCstillwaterhc.com HQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 85 contacts → |
“Founded in 2012, Stillwater remains committed to supporting the Veteran community, national security, and the defense sector while evolving into a diversified solutions provider…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ascella Technologies, INCascellatech.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 71 contacts → |
“Who We Are Ascella's founders are all veterans of the IT industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Akima Global Technologyakimaglobaltechnology.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 68 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Open Technology Groupotghq.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 31 contacts → |
“Founded in 1992, Open Technology Group is a small business providing information technology services to federal government clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TPGStpgsfed.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 27 contacts → |
“At TPGS, we understand and value the unique needs of our government clients and industry partners as well as the pressing need to complete projects on time.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  IP Network Solutionsipnsinc.comHQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Athena Technology Groupathenatechgrp.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 21 contacts → |
“Provides information and communications technology services to the military and government agencies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lr-Associates, LLClrassociatesllc.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 18 contacts → |
“LR-Associates, LLC (LRA) is a Small Business Administration (SBA) certified 8(a), Small Disadvantaged Business (SDB) and Service Disabled Veteran Owned Small Business (SDVOSB)…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Modern Government Solutions MGSmoderngovsolutions.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 9 contacts → |
“At Modern Government Solutions (MGS), we deliver mission-critical solutions that empower the Department of Defense, Intelligence Community, and federal agencies to achieve…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Integrity Intelligence INCintegrityintel.comHQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 7 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Acelar, INCacelar.netHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 3 contacts → |
“Acelar provides Enterprise-wide Information Technology and Consulting services to several DoD Agencies (Navy, Army, Defense Logistics Agency, Defense Security Cooperation Agency)…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ziegler Communications LLCzieglercommunications.comHQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 3 contacts → |
“We’ve helped federal customers with the tools, technology, and talent to accomplish a variety of missions designed to better serve their mission, be it modernizing their…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 33 company matches
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Federal contractors: dataset insights
September 16, 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
33 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 33 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: September 16, 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 ↗
Federal contractors by metro in the United States
Questions about this company list
What does Exact match mean for federal contractors?
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 federal contractors did RevenueBase find based in Herndon, United States?
The saved snapshot records 33 matching company records, 13,662 tracked contacts and 3,794 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: September 16, 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
Federal contractors by geography
- Federal contractors based in Alexandria, United States
- Federal contractors based in Chantilly, United States
- Federal contractors based in Fairfax, United States
- Federal contractors based in Mclean, United States
- Federal contractors based in Reston, United States
- Federal contractors based in Washington, United States
- Federal contractors based in the United States
Cite this list
RevenueBase Data Team. Top 21 federal contractors based in Herndon, United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/federal-contractors/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
- Federal contractors based in Alexandria, United States
- Federal contractors based in Chantilly, United States
- Federal contractors based in Fairfax, United States
- Federal contractors based in Mclean, United States
- Federal contractors based in Reston, United States
- Federal contractors based in Washington, United States
Company intelligence · public preview
Top 21 federal contractors based in Herndon, United States
RevenueBase records 33 matching company records for federal contractors based in Herndon, United States, with 13,662 tracked contacts and 3,794 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: September 16, 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 federal contractors 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 | Mantechmantech.com HQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 9,697 contacts → |
“MANTECH is more than a technology company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AKIMAakima.com HQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 1,698 contacts → |
“Akima is a global enterprise delivering comprehensive solutions to the federal government in the core areas of information technology; facilities & ground logistics; aerospace…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Zenetexzenetex.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 477 contacts → |
“Zenetex, pronounced zə-`net-iks, specializes in management and technology support services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LTSlts.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 356 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | NVEnvecorp.com HQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 239 contacts → |
“NVE, established in 2003, is dedicated to optimizing U.S.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Soleritysolerity.com HQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 128 contacts → |
“Since 1991, Solerity, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Alku Government Solutionsalkugovernmentsolutions.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 102 contacts → |
“ALKU Government Solutions is a National Security Defense Contractor serving the defense, energy, homeland security and intelligence communities.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Indigo IT LLCindigoit.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 101 contacts → |
“Founded in 2001, Indigo IT is an award winning information technology consulting and services company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Makparmakpar.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 87 contacts → |
“Makpar is a comprehensive professional and technical solutions provider for the Federal government.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Stillwater Human Capital LLCstillwaterhc.com HQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 85 contacts → |
“Founded in 2012, Stillwater remains committed to supporting the Veteran community, national security, and the defense sector while evolving into a diversified solutions provider…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ascella Technologies, INCascellatech.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 71 contacts → |
“Who We Are Ascella's founders are all veterans of the IT industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Akima Global Technologyakimaglobaltechnology.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 68 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Open Technology Groupotghq.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 31 contacts → |
“Founded in 1992, Open Technology Group is a small business providing information technology services to federal government clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TPGStpgsfed.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 27 contacts → |
“At TPGS, we understand and value the unique needs of our government clients and industry partners as well as the pressing need to complete projects on time.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | IP Network Solutionsipnsinc.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Athena Technology Groupathenatechgrp.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 21 contacts → |
“Provides information and communications technology services to the military and government agencies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lr-Associates, LLClrassociatesllc.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 18 contacts → |
“LR-Associates, LLC (LRA) is a Small Business Administration (SBA) certified 8(a), Small Disadvantaged Business (SDB) and Service Disabled Veteran Owned Small Business (SDVOSB)…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Modern Government Solutions MGSmoderngovsolutions.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 9 contacts → |
“At Modern Government Solutions (MGS), we deliver mission-critical solutions that empower the Department of Defense, Intelligence Community, and federal agencies to achieve…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Integrity Intelligence INCintegrityintel.com HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 7 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Acelar, INCacelar.net HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 3 contacts → |
“Acelar provides Enterprise-wide Information Technology and Consulting services to several DoD Agencies (Navy, Army, Defense Logistics Agency, Defense Security Cooperation Agency)…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ziegler Communications LLCzieglercommunications.com HQ: Herndon, VA, United StatesReported employees: 11-50 | Herndon, VA, United States | 11-50 | Exact match | 3 contacts → |
“We’ve helped federal customers with the tools, technology, and talent to accomplish a variety of missions designed to better serve their mission, be it modernizing their…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 33 company matches
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Federal contractors: dataset insights
September 16, 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
33 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 33 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: September 16, 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 ↗
Federal contractors by metro in the United States
Questions about this company list
What does Exact match mean for federal contractors?
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 federal contractors did RevenueBase find based in Herndon, United States?
The saved snapshot records 33 matching company records, 13,662 tracked contacts and 3,794 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: September 16, 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 federal contractors based in Herndon, United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/federal-contractors/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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