Company lists · Data refreshed September 2026

Top 25 Federal government contractors based in Alexandria, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 64 companies tracked

RevenueBase identified 64 company matches for federal government contractors associated with Alexandria, United States as of September 2026 and tracks 5,494 professional contacts across them, including 997 with verified work emails. Across the United States, Washington is the largest hub for this category (130 companies); Alexandria has 64.

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

64Companies

5,494Contacts tracked

997Verified emails

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

Ranked by team size

Top 25 of 64 company matches for federal government contractors based in Alexandria, 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	DCS Corp	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	1,001-5,000	1,898 contacts →
	Exact match “DCS delivers advanced technology and management solutions to Government agencies in the national security sector.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Calibre Systems, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	501-1,000	768 contacts →
	Exact match “CALIBRE Systems, Inc.(CALIBRE) is an employee-owned AI transformation company delivering mission focused solutions to Defense, Federal / Civil, and Commercial clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Culmen International	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	201-500	320 contacts →
	Exact match “Established in 2004, Culmen International, LLC is a privately held U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Planate Management Group	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	201-500	318 contacts →
	Exact match “Planate Management Group (PMG) is a global leader in delivering engineering, construction and program management solutions that support mission success in complex and high-risk…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Mayvin, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	501-1,000	310 contacts →
	Exact match “Mayvin is dedicated to protecting the interests of the United States.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Prosphere	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	201-500	231 contacts →
	Exact match “ProSphere is a market-leading, mid-tier technology integrator that delivers digital modernization services and technical solutions to meet the needs of our federal government…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	TWD & Associates, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	n/a	155 contacts →
	Exact match “TWD delivers technology solutions that provide business value to customers, from large federal agencies in highly secure environments to commercial companies and non-profits.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	CMI Management	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	125 contacts →
	Exact match “CMI Management delivers top-tier government facilities services, offering innovative, reliable solutions that meet the evolving needs of federal clients across the country.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Edgesource Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	114 contacts →
	Exact match “NATIONAL SECURITY EXPERTISE THAT POWERS MISSION SUCCESS Edgesource doesn't observe the mission from afar-we advance it from within.* 24/7/365 Vigilance * Automated Insights *…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Addx Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	112 contacts →
	Exact match “Tenacious by nature, Addx Corporation is a solutions integrator providing leading technology and mission-essential business services to the U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	AGE Solutions LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	109 contacts →
	Exact match “AGE Solutions is a premier technology and professional services company, providing in-depth consulting, advanced technology solutions, and essential services throughout the U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	BAI INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	106 contacts →
	Exact match “For more than 20 years, BAI – one of Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Plexus Scientific	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	88 contacts →
	Exact match “Plexus Scientific Corporation offers IT solutions, environmental remediation services, sustainability solutions, and nuclear solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	B3 Solutions, LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	201-500	85 contacts →
	Exact match “B3 Solutions, LLC provides customer-focused services and solutions that enable government organizations to optimize their performance.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	SBG Technology Solutions, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	82 contacts →
	Exact match “SBG Technology Solutions, Inc.(SBG) a wholly-owned subsidiary of DSS, Inc, offers IT Governance, Program Management, Systems Engineering, Enterprise Modernization, Artificial…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Technical And Project Engineering Tape , LLC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	73 contacts →
	Exact match “TAPE is dedicated to keeping the nation safe and strong by providing Technology Services, Training and Readiness Solutions, and Management Consulting to the Federal government.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	SDV International	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	201-500	71 contacts →
	Exact match “Falling behind is expensive.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Fedsync	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	69 contacts →
	Exact match “Federal Integrated Systems Corporation (FedSync) is a ISO 9001 Quality Management Systems Certified and SBA 8(a) certified vendor supporting multiple federal agencies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Nextstep Technology, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	201-500	68 contacts →
	Exact match “NextStep specializes in leveraging top talent and advanced technologies to improve operational efficiency, quality, customer service, and performance across the U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Ardelle Associates	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	11-50	37 contacts →
	Exact match “Ardelle has been in business since 1980, is veteran-owned, and has established a history of solid, quality service to both commercial clients and the Government.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Advanced Resource Technologies, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	28 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Mirlogic Solutions Corporation	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	11-50	22 contacts →
	Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	World Services LLC Of Virginia	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “World Services offers a wide variety of IT services to support enterprises at every level.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Acuity Consulting, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 16, 2026	51-200	18 contacts →
	Exact match “Providing the federal government, and specifically the Department of Defense (DoD), with audit and audit readiness and management & technology consulting services, Acuity offers…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Antean Technology	Exact match	Alexandria, United StatesHQ recorded Sep 16, 2026	11-50	14 contacts →
	Exact match “3x Inc.” 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 64 federal government contractors based in Alexandria, United States

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

As of Sep 16, 2026

18.1%Verified-email coverage

85.8Average contacts per company

11-50Median 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

Email recency for this list is measured across the whole United States list rather than for Alexandria, so it is reported there. Company counts and contact totals on this page are exact for Alexandria, over 64 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 Alexandria, 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 997 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 Alexandria, United States?

RevenueBase identified 64 company matches for federal government contractors associated with Alexandria, 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?

DCS Corp 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).

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 997 professional contacts with verified work emails tracked across these 64 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.