Company lists · Data refreshed September 2026

Top 25 Federal government contractors based in Mclean, United States

Name: Federal government contractors based in Mclean, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 62 companies tracked

RevenueBase identified 62 company matches for federal government contractors associated with Mclean, United States as of September 2026 and tracks 15,404 professional contacts across them, including 1,927 with verified work emails. Across the United States, Washington is the largest hub for this category (130 companies); Mclean has 62.

This list covers company matches for federal government contractors associated with Mclean, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built

62Companies

15,404Contacts tracked

1,927Verified emails

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The 25 largest federal government contractors based in Mclean, United States

Ranked by team size

Top 25 of 62 company matches for federal government contractors based in Mclean, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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	Dyncorp International	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	10001+	9,964 contacts →
	Exact match “DynCorp International is now part of Amentum.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	American Systems	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	1,001-5,000	1,899 contacts →
	Exact match “Founded in 1975, AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	J&j Worldwide Services	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	10001+	478 contacts →
	Exact match “J&J Worldwide Services is now CBRE Government & Defense Services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Obxtek	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	349 contacts →
	Exact match “OBXtek is a relationship-driven information technology and diversified professional services company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Zachary Piper Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	236 contacts →
	Exact match “Zachary Piper Solutions (ZPS) provides technical and professional services in support of the United States government across six key sectors: Intelligence, Defense, Energy…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Validatek, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	224 contacts →
	Exact match “ValidaTek is a premier government IT consulting firm based in the Washington DC area that drives technology transformation and secures mission-critical systems for our federal…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Cybermedia Technologies, LLC Ctec	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	223 contacts →
	Exact match “We modernize legacy infrastructure, secure mission-critical systems and design digital experiences that impact millions of federal workers & American citizens every day.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Be, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	176 contacts →
	Exact match “BE is a trusted partner on missions of vital importance to our customers, the nation and the world.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	A-Tek, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	159 contacts →
	Exact match “As a trusted services and solutions provider, A-TEK, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Valiant Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	152 contacts →
	Exact match “Valiant Solutions, LLC stands out as a premier provider of Cybersecurity and IT services aiding the Federal Government in staying ahead of complex information security challenges.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Saliense	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	107 contacts →
	Exact match “Saliense is a high-end Technology Solutions provider based out of Tysons Corner, VA.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	CRI	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	103 contacts →
	Exact match “Communications Resource, Inc.(CRI) is a minority and Woman-Owned Small Business with over 30 years of focused security performance supporting over 40 government and commercial…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Spry Methods, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	96 contacts →
	Exact match “Spry is a certified Small Business headquartered in McLean, VA.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Tech Systems, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	90 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Astor & Sanders	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	77 contacts →
	Exact match “Astor & Sanders Corporation (Astor) is a leading IT digital transformation company optimizing federal missions through cost-effective, efficient, and scalable technology solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	National Capitol Contracting, LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	74 contacts →
	Exact match “National Capitol Contracting, LLC is a small business focused on the transformation and modernization of the Federal IT enterprise through Unified Communications and Information…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	E3 Federal Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	501-1,000	72 contacts →
	Exact match “E3/Sentinel, a NewSpring Holdings company, is a mission-focused services and solutions company headquartered in McLean, VA.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Trowbridge & Trowbridge Llc, An Agile Defense Company	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	201-500	69 contacts →
	Exact match “Trowbridge & Trowbridge, An Agile Defense Company, delivers transformational technology solutions that anticipate emerging requirements, increase operational efficiencies and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Zenpoint Solutions LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	60 contacts →
	Exact match “ZenPoint is a small, 8(a) certified, woman-owned IT Services company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	OCT Consulting LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	57 contacts →
	Exact match “OCT Consulting LLC is a Small Business providing professional services and information technology solutions to U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Blackwatch International Corporation	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	45 contacts →
	Exact match “Blackwatch is a small business headquartered in Mclean, VA with offices in O'Fallon, IL and Carmichael, CA.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Infinity Technology, LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	42 contacts →
	Exact match “Infinity Technology, LLC, is a certified 8(a), Service-Disabled Veteran-Owned, Small Disadvantaged Business.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	Mission Services LLC MSI	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	11-50	31 contacts →
	Exact match “MSI provides unique mission support requirements for U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Leading Path Consulting	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	51-200	28 contacts →
	Exact match “Leading Path is an award-winning, minority, woman-owned (NMSDC / MBE) technology consulting company that brings our clients top talent and creative solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Counterpointe Solutions, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 16, 2026	11-50	23 contacts →
	Exact match “Counterpointe is a CMMI Level 3 certified.” 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 government 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 25 of 62 federal government contractors based in Mclean, United States

See the full list, filter by size, metro and specialty, and access 1,927 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Federal government contractors based in Mclean, United States at a glance

As of Sep 16, 2026

12.5%Verified-email coverage

248.5Average contacts per company

51-200Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United States list rather than for Mclean, so it is reported there. Company counts and contact totals on this page are exact for Mclean, over 62 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 Mclean, United States whose business descriptions match “federal government 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 1,927 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 government 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 government contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal government contractors are there based in Mclean, United States?

RevenueBase identified 62 company matches for federal government contractors associated with Mclean, 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?

Dyncorp International 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 contractors?

Washington leads the United States with 130 company records, followed by Reston (84) and Alexandria (64). Mclean has 62.

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 1,927 professional contacts with verified work emails tracked across these 62 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.

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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.