Company lists · Data refreshed September 2026

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

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 71 companies tracked

RevenueBase identified 71 company matches for federal government consulting services associated with Mclean, United States as of September 2026 and tracks 4,668 professional contacts across them, including 1,425 with verified work emails. Across the United States, Washington is the largest hub for this category (303 companies); Mclean has 71.

This list covers company matches for federal government consulting services 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 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

71Companies

4,668Contacts tracked

1,425Verified emails

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

Ranked by team size

Top 25 of 71 company matches for federal government consulting services based in Mclean, 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	American Systems	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
2	J&j Worldwide Services	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	10001+	478 contacts →
	Exact match “J&J Worldwide Services is now CBRE Government & Defense Services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Zachary Piper Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4	Validatek, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5	Be, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
6	Integral Federal, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	201-500	153 contacts →
	Exact match “Integral partners with federal defense, intelligence, and civilian leaders to tackle their most important challenges and deliver transformative solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Network Designs, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	51-200	152 contacts →
	Exact match “NDi is a Verified Service-Disabled Veteran Owned Small Business [SDVOSB] professional services firm, supporting Federal and Commercial customers since 1995.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Titania Solutions Group, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	51-200	85 contacts →
	Exact match “Titania Solutions Group, Inc, founded in 2012, is small business dedicated to providing excellence in service to the Federal Government and the Department of Defense.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	E3 Federal Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10	Trowbridge & Trowbridge Llc, An Agile Defense Company	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
11	Sigma Health Consulting, LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	51-200	57 contacts →
	Exact match “Sigma Health Consulting, LLC (Sigma) is a woman-owned, veteran-owned small business (WOSB, VOSB) with leadership that has over 30 years of experience in the federal sector…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	OCT Consulting LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
13	Mfgs, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	201-500	47 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Blackwatch International Corporation	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15	Creative Systems And Consulting, Part Of ICF	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	201-500	36 contacts →
	Exact match “Founded in 2010, Creative Systems and Consulting, LLC, has been at the forefront of Digital Transformation across Federal Government, driving innovation, ingenuity, and industry…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Leading Path Consulting	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
17	Counterpointe Solutions, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	11-50	23 contacts →
	Exact match “Counterpointe is a CMMI Level 3 certified.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Stratitia, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	51-200	23 contacts →
	Exact match “Stratitia is a customer-driven professional services and management consulting firm offering strategic consulting, operational support, logistics and technology enablement to…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Mega-Tech, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	11-50	19 contacts →
	Exact match “Award-winning, woman-owned management consulting firm supporting the Federal, state, and local governments across the U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Sunrays International	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	51-200	18 contacts →
	Exact match “Sunrays International is a globally-integrated consulting, program management and shared services provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Viateq Corporation	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	11-50	17 contacts →
	Exact match “VIATEQ is a proactive provider of collaborative solutions for federal government agencies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Skysoft INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	11-50	17 contacts →
	Exact match “SkySoft, INC is a Small, Women-owned and Minority-owned Business (SWaM) certified company based in VA and we are in Information Technology & Management Consultancy founded by Team…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Technalink	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	51-200	16 contacts →
	Exact match “TechnaLink is a leading woman- and minority-owned IT services and management consulting provider located in the Washington, DC, area.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Axis Management Group	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	51-200	13 contacts →
	Exact match “AXIS Management Group (AXIS) is a fast-growing consulting services company offering integrated IT, scientific, and strategic solutions for the Federal Government, large…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Fedsavvy Strategies	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	1-10	13 contacts →
	Exact match “Understanding the federal market requires knowledge of ever-changing policies, contracting trends, risks, and a unique set of barriers to entry.” 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 71 federal government consulting services based in Mclean, United States

See the full list, filter by size, metro and specialty, and access 1,425 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 21, 2026

30.5%Verified-email coverage

65.7Average 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

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 71 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 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 1,425 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 Mclean, United States?

RevenueBase identified 71 company matches for federal government consulting services 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?

American Systems 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). Mclean has 71.

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 1,425 professional contacts with verified work emails tracked across these 71 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.