Company lists · Data refreshed September 2026

Top 20 Defense contractor consulting companies based in Fairfax, United States

Name: Defense contractor consulting companies based in Fairfax, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 34 companies tracked

RevenueBase identified 34 company matches for defense contractor consulting companies associated with Fairfax, United States as of September 2026 and tracks 1,781 professional contacts across them, including 461 with verified work emails. Across the United States, Washington is the largest hub for this category (131 companies); Fairfax has 34.

This list covers company matches for defense contractor consulting companies associated with Fairfax, 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

34Companies

1,781Contacts tracked

461Verified emails

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The 20 largest defense contractor consulting companies based in Fairfax, United States

Ranked by team size

Top 20 of 34 company matches for defense contractor consulting companies based in Fairfax, 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	GSA National	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	201-500	558 contacts →
	Exact match “GSA National has been helping government contractors ensure compliance and streamline costs since 1991.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	PE Systems, INC	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	201-500	273 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Strategic Alliance Business Group Sabg	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	201-500	194 contacts →
	Exact match “Strategic Alliance Business Group (SABG) is privately owned professional services company that is both a Service Disabled Veteran Owned and Women Owned Small Business.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Mcking Consulting	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	51-200	118 contacts →
	Exact match “McKing Consulting Corporation provides a variety of general and specialized management consulting services to the federal government, state agencies, nonprofits, and public and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Axiologic Solutions LLC	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	201-500	117 contacts →
	Exact match “Founded in 2009 and based out of the Washington, D.C.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	The Cogar Group, LTD	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	201-500	79 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Ventus Solutions VES	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	51-200	66 contacts →
	Exact match “We deliver cutting-edge solutions to government and commercial clients, specializing in technology innovation acceleration, business consulting, professional engineering, program…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	ERPI	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	201-500	57 contacts →
	Exact match “Enterprise Resource Performance Inc.(ERPi) is a professional services rm that delivers strategic, advisory, technological, and implementation support services to Federal Agencies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Fedsys, INC	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	11-50	57 contacts →
	Exact match “FEDSYS is a professional services company focused on providing critical operational services, in challenging environments, to enable our government customers’ mission success.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Conceras	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	51-200	48 contacts →
	Exact match “Conceras, LLC, an SBA 8(a) Certified Small Business, was founded in 2006 as a customer-focused systems engineering consulting firm.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Revolutionary Solutions, LLC Wbe, Wosb	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	11-50	41 contacts →
	Exact match “Revolutionary Solutions LLC (REV-SOLS) stands as a dynamic and capable partner for organizations seeking excellence in acquisition lifecycle, financial management, information…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Burdeshaw Associates LLC	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	51-200	39 contacts →
	Exact match “Burdeshaw Associates, LLC has nearly 40 years of unparalleled leadership and "real world" experience from retired flag officers and SES level executives in the areas of Domestic…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Advanced Systems, Inc. ASI	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	1-10	13 contacts →
	Exact match “Advanced Systems Incorporated (ASI) offers planning, analytical, strategic/tactical, management, operations and consultative support, to Federal, commercial and non-profit…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Technical Analysis Center	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	51-200	11 contacts →
	Exact match “Technical Analysis Center (TAC) was founded with a vision of providing management support to Government entities in a wide-range of functional areas.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	EKO Strategies, LLC	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	11-50	7 contacts →
	Exact match “When it comes to technology, one thing for certain is that nothing is going to stay the same.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Comprehensive Approach Solutions	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	11-50	6 contacts →
	Exact match “CAS is a proud Filipino-American owned, SBA-certified 8(a) small disadvantaged and Service Disabled Veteran Owned Small Business (SDVOSB).” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Strategy To WIN Consulting Group	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	1-10	3 contacts →
	Exact match “Strategy To Win Consulting Group (S2W) provides management consulting services to government contractors and those looking to work in government markets.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Cromack & Associates	Exact match	Fairfax, United StatesHQ recorded Sep 16, 2026	1-10	2 contacts →
	Exact match “Helping grow your Government Contracting Business.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Caasus, LLC	Exact match	Fairfax, United StatesHQ recorded Sep 16, 2026	1-10	2 contacts →
	Exact match “CaaSus is a company dedicated to supporting the Federal regulatory, audit and cost accounting needs of growing government contractors through alternative consulting models.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Cost Management Solutions, LLC	Exact match	Fairfax, VA, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match “Cost Management Solutions, LLC (CMS) is a government contracting firm specializing in financial management, data analysis, and IT services.” 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 “defense contractor consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 20 of 34 defense contractor consulting companies based in Fairfax, United States

See the full list, filter by size, metro and specialty, and access 461 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Defense contractor consulting companies based in Fairfax, United States at a glance

As of Sep 16, 2026

25.9%Verified-email coverage

52.4Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Fairfax, so it is reported there. Company counts and contact totals on this page are exact for Fairfax, over 34 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 Fairfax, United States whose business descriptions match “defense contractor consulting companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 461 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.

Defense contractor consulting companies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “defense contractor consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense contractor consulting companies are there based in Fairfax, United States?

RevenueBase identified 34 company matches for defense contractor consulting companies associated with Fairfax, 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?

GSA National 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 defense contractor consulting companies?

Washington leads the United States with 131 company records, followed by Arlington (82) and Alexandria (68). Fairfax has 34.

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 461 professional contacts with verified work emails tracked across these 34 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.