Company lists · Data refreshed November 2026

Top 25 Defense contractor IT consultants worldwide

Name: Defense contractor IT consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 33,863 companies tracked

RevenueBase identified 33,863 company matches for defense contractor IT consultants worldwide as of November 2026 and tracks 1,068,648 professional contacts across them, including 209,551 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for defense contractor IT consultants worldwide, 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 November 5, 2026. Country and city lists for defense contractor IT consultants follow the table.

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 Nov 5, 2026 How this list was built

33,863Companies

1,068,648Contacts tracked

209,551Verified emails

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The 25 largest defense contractor IT consultants worldwide

Ranked by team size

Top 25 of 33,863 company matches for defense contractor IT consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Northrop Grumman	Exact match	Falls Church, MD, United StatesHQ recorded Nov 5, 2026	10001+	77,937 contacts →
	Exact match “We are a close-knit community of big thinkers collaborating to keep the world safe.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Raytheon	Exact match	Arlington, VA, United StatesHQ recorded Nov 5, 2026	10001+	45,841 contacts →
	Exact match “Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	SAIC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	34,914 contacts →
	Exact match “SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Leidos	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	29,226 contacts →
	Exact match “Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	L3harris Technologies	Exact match	Melbourne, FL, United StatesHQ recorded Nov 5, 2026	10001+	26,341 contacts →
	Exact match “L3Harris Technologies is the Trusted Disruptor in the defense industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	General Dynamics Information Technology	Exact match	Falls Church, VA, United StatesHQ recorded Nov 5, 2026	10001+	25,406 contacts →
	Exact match “GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Parsons Corporation	Exact match	Chantilly, VA, United StatesHQ recorded Nov 5, 2026	10001+	20,831 contacts →
	Exact match “Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Caci International INC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	20,334 contacts →
	Exact match “CACI International Inc (NYSE: CACI) is a technology-first national security company that expands the limits of national security through innovation, discipline, and operational…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Softtek	Exact match	Monterrey, MexicoHQ recorded Nov 5, 2026	10001+	14,096 contacts →
	Exact match “At Softtek, we drive the strategic development of our clients through software engineering.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	BAE Systems, INC	Exact match	Falls Church, VA, United StatesHQ recorded Nov 5, 2026	10001+	13,979 contacts →
	Exact match “Improving the future and protecting lives is an ambitious mission, but it’s what we do.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 5, 2026	10001+	13,669 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Guidehouse	Exact match	Mclean, IL, United StatesHQ recorded Nov 5, 2026	10001+	13,603 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Dyncorp International	Exact match	Mclean, TX, United StatesHQ recorded Nov 5, 2026	10001+	11,406 contacts →
	Exact match “DynCorp International is now part of Amentum.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Peraton	Exact match	Reston, MD, United StatesHQ recorded Nov 5, 2026	10001+	11,210 contacts →
	Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	10,193 contacts →
	Exact match “About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	SHI International Corp	Exact match	Somerset, United StatesHQ recorded Nov 5, 2026	5,001-10,000	7,151 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Datacom	Exact match	Auckland, New ZealandHQ recorded Nov 5, 2026	5,001-10,000	6,268 contacts →
	Exact match “Datacom is a technology partner and solutions provider combining deep local expertise with global capability, working across data, cloud, cyber security, digital engineering and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 5, 2026	5,001-10,000	5,223 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Cegeka	Exact match	Hasselt, BelgiumHQ recorded Nov 5, 2026	5,001-10,000	4,771 contacts →
	Exact match “The digital world moves fast.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Asrc Federal	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	4,665 contacts →
	Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Aricent	Exact match	Santa Clara, United StatesHQ recorded Nov 5, 2026	10001+	4,380 contacts →
	Exact match “Aricent is now Altran, delivering industry innovations at future speed.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	SENER	Exact match	Getxo, ON, SpainHQ recorded Nov 5, 2026	1,001-5,000	4,062 contacts →
	Exact match “At Sener we want to transform the world by challenging the boundaries of technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	GMV	Exact match	Tres Cantos, SpainHQ recorded Nov 5, 2026	1,001-5,000	3,622 contacts →
	Exact match “At GMV, we design the future through technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Vectrus	Exact match	Colorado Springs, CO, United StatesHQ recorded Nov 5, 2026	5,001-10,000	3,609 contacts →
	Exact match “About Vectrus For more than 70 years, Vectrus has provided critical mission support for our customers’ toughest operational challenges.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Quest Software	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,432 contacts →
	Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Nov 5, 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 IT consultants”. 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 33,863 defense contractor IT consultants worldwide

See the full list, filter by size, metro and specialty, and access 209,551 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Defense contractor IT consultants worldwide at a glance

As of Nov 5, 2026

19.6%Verified-email coverage

31.6Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

16,230

11-50

11,505

51-200

4,252

201-500

1,073

501-1,000

313

1,001-5,000

219

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for defense contractor IT consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “defense contractor IT consultants” 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. 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 209,551 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 November 5, 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 IT consultants by location

222 lists · largest first

Every Defense contractor IT consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 IT consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense contractor IT consultants are there worldwide?

RevenueBase identified 33,863 company matches for defense contractor IT consultants worldwide as of November 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?

Northrop Grumman tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most defense contractor IT consultants?

The United States leads with 11,308 companies, followed by India (3,016) and Brazil (1,210). Every defense contractor IT consultants list by country and city is linked on this page.

Which city has the most defense contractor IT consultants?

London leads with 363 company records, followed by Hyderabad (337) and Washington (326).

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 209,551 professional contacts with verified work emails tracked across these 33,863 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 November 5, 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.