Company lists · Data refreshed September 2026

Top 25 Defense systems integration consultants based in Chantilly, United States

Name: Defense systems integration consultants based in Chantilly, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 10, 2026 45 companies tracked

RevenueBase identified 45 defense systems integration consultants headquartered in Chantilly, United States as of September 2026 and tracks 22,742 professional contacts across them, including 6,851 with verified work emails and 7,177 with mobile numbers. Washington is the largest hub.

This list covers defense systems integration consultants headquartered in Chantilly, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 10, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 10, 2026 86% judged on-target in blind review

45Companies

22,742Contacts tracked

6,851Verified emails

7,177Mobile numbers

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The 25 largest defense systems integration consultants based in Chantilly, United States

Ranked by team size

Top 25 of 45 defense systems integration consultants based in Chantilly, United States, ranked by team size, largest first. Data refreshed Sep 10, 2026. RevenueBase Smart Search rates how each company's information relates to defense systems integration consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Parsons Corporation	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	10001+	19,456 contacts →
	Partial evidence “Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets.” Source: RevenueBase Database · checked Sep 10, 2026
2	Arcfield	Strong evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	1,001-5,000	798 contacts →
	Strong evidence “Arcfield was purpose-built to protect the nation and its allies through innovations in systems engineering and integration, space and mission launch assurance, cybersecurity and…” Source: RevenueBase Database · checked Sep 10, 2026
3	RED River	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	501-1,000	709 contacts →
	Indirect evidence “Red River brings together the ideal combination of talent, partners and products to disrupt the status quo in technology and drive success for business and government in ways…” Source: RevenueBase Database · checked Sep 10, 2026
4	Noblis ESI	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	201-500	272 contacts →
	Indirect evidence “Noblis ESI is part of the Noblis family of companies.” Source: RevenueBase Database · checked Sep 10, 2026
5	Tenica Global Solutions	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	201-500	143 contacts →
	Partial evidence “TENICA and Associates LLC is a leading provider of government services and consulting solutions in the areas of national defense and intelligence.” Source: RevenueBase Database · checked Sep 10, 2026
6	Sciolex Corporation	Strong evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	501-1,000	142 contacts →
	Strong evidence “Sciolex Corporation was established in February 2006 to provide Program Management, System Engineering, Architecture Development, System Integration, and Operations Support to…” Source: RevenueBase Database · checked Sep 10, 2026
7	Inactive	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	n/a	142 contacts →
	Indirect evidence “N/A inactive account.” Source: RevenueBase Database · checked Sep 10, 2026
8	MBA Consulting Services, Inc. MBA CSI	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	201-500	125 contacts →
	Partial evidence “MBA Consulting Services, Inc (MBA CSi) creates innovative and transformative solutions that help government agencies optimize their technical systems, data, and mobility.” Source: RevenueBase Database · checked Sep 10, 2026
9	Integrity Applications Incorporated	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	1,001-5,000	123 contacts →
	Indirect evidence “Centauri is a leading provider of high-end engineering, intelligence, cyber security, and advanced technology solutions that keep our nation safe and secure from today’s…” Source: RevenueBase Database · checked Sep 10, 2026
10	RED Gate Group	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	51-200	65 contacts →
	Indirect evidence “The Red Gate Group empowers our clients to make impactful, sustainable change, and assists them in creating solutions for challenges confronting the Nation.” Source: RevenueBase Database · checked Sep 10, 2026
11	Ns2 Mission	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	201-500	61 contacts →
	Partial evidence “NS2 Mission’s expert engineers and intelligence analysts provide tailored solutions to our nation’s classified Department of Defense and Intelligence Community, employing emerging…” Source: RevenueBase Database · checked Sep 10, 2026
12	Stratos Solutions, INC	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	51-200	59 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 10, 2026
13	Space Systems Integration LLC	Strong evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	51-200	48 contacts →
	Strong evidence “Space Systems Integration (SSI) is an engineering services company that supports government customers in the areas of aircraft and space systems design, acquisition, and…” Source: RevenueBase Database · checked Sep 10, 2026
14	Millennial Software	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	11-50	43 contacts →
	Partial evidence “Empowering Innovation in Defense & National Security Millennial Software is a trusted partner in defense technology, delivering cutting-edge software solutions, automation…” Source: RevenueBase Database · checked Sep 10, 2026
15	Welkin Associates, LTD	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	51-200	39 contacts →
	Indirect evidence “Founded in 1988, Welkin Associates, Ltd.” Source: RevenueBase Database · checked Sep 10, 2026
16	Innovative Technologies, INC	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	51-200	17 contacts →
	Indirect evidence “Innovative Technologies, Inc.(ITI) is a leading Broadcast, Audiovisual, and Unified Communications / Information Technology solutions provider.” Source: RevenueBase Database · checked Sep 10, 2026
17	Patriot Solutions Group, LLC	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	11-50	11 contacts →
	Indirect evidence “Patriot Solutions Group (PSG) is a distinguished Service-Disabled Veteran Owned Small Business (SDVOSB) headquartered in Chantilly, Virginia.” Source: RevenueBase Database · checked Sep 10, 2026
18	Condortech Services, INC	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	11-50	10 contacts →
	Indirect evidence “Condortech Services Inc (CTS) is an experienced firm, providing Integrated Security Solutions for more than 28 years.” Source: RevenueBase Database · checked Sep 10, 2026
19	Mcintire Solutions, LLC	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	11-50	10 contacts →
	Partial evidence “McIntire Solutions, LLC provides business, engineering and technology expertise to the Intelligence Community, Department of Defense and the Federal Government.” Source: RevenueBase Database · checked Sep 10, 2026
20	Ctech Government Solutions, LLC	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	11-50	8 contacts →
	Indirect evidence “Founded in 2018, CTECH Government Solutions, LLC is a privately held business located in Northern Virginia with multiple Intelligence Community (IC) contracts and support to the…” Source: RevenueBase Database · checked Sep 10, 2026
21	Phantom Forge	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	1-10	6 contacts →
	Indirect evidence “Phantom Forge strives to advance our customers most critical missions through providing the highest caliber engineers.” Source: RevenueBase Database · checked Sep 10, 2026
22	Compusult Systems, INC	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	11-50	6 contacts →
	Partial evidence “At Compusult System Inc.(CSI), our focus is on our customers’ mission success.” Source: RevenueBase Database · checked Sep 10, 2026
23	Kinsey Technical Services, INC	Indirect evidence	Chantilly, United StatesHQ checked Sep 10, 2026	51-200	5 contacts →
	Indirect evidence “Headquartered in Chantilly, VA, with offices in Arlington, VA, El Segundo, CA, and Colorado Springs, CO, Kinsey Technical Services Inc.(KTSi) is a trusted provider of technical…” Source: RevenueBase Database · checked Sep 10, 2026
24	Cyber VET Solutions, LLC	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	1-10	3 contacts →
	Partial evidence “Cyber Vet Solutions is a mission-focused cybersecurity and systems engineering firm that helps organizations operate securely, resiliently, and effectively in complex and…” Source: RevenueBase Database · checked Sep 10, 2026
25	J.B.C	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 10, 2026	1-10	2 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 10, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: defense systems integration consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names defense systems integration consultants.
Partial evidence: Its own public description names part of defense systems integration consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name defense systems integration consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 45 defense systems integration consultants based in Chantilly, United States

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Defense systems integration consultants based in Chantilly, United States at a glance

As of Sep 10, 2026

30.1%Verified-email coverage

31.6%Mobile-number coverage

505.4Average contacts per company

11-50Median size (employees)

166.7%Largest-city concentration · Washington

Sep 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 12.0d

6,1450–30

59831–60

161–90

190–180

106180+

Company record updated

Median 73.0d

00–30

9,10731–60

8,74961–90

1,97290–180

2,914180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among defense systems integration consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Chantilly, United States whose own description of what they do matches “defense systems integration consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names defense systems integration consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among defense systems integration consultants, and records with no verified work email. Companies headquartered outside Chantilly are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 6,851 across the full list. 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 10, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Defense systems integration consultants by metro in the United States

Defense systems integration consultants in Washington75
Defense systems integration consultants in Huntsville63
Defense systems integration consultants in San Diego60
Defense systems integration consultants in Alexandria46
Defense systems integration consultants in Arlington42
Defense systems integration consultants in Columbia41
Defense systems integration consultants in Chantilly40
Defense systems integration consultants in Reston39

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names defense systems integration consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many defense systems integration consultants are there based in Chantilly, United States?

RevenueBase identified 45 defense systems integration consultants headquartered in Chantilly, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Parsons Corporation, headquartered in Chantilly, tops this list with the largest team on record.

Which city has the most defense systems integration consultants?

Washington leads with 75 headquartered companies, followed by Huntsville (63) and San Diego (60).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,851 verified decision-maker contacts tracked across these 45 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 10, 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 Smart Search, 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.