Company lists · Data refreshed September 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 Sep 28, 2026 11,299 companies tracked

RevenueBase identified 11,299 defense contractor IT consultants worldwide as of September 2026 and tracks 522,105 professional contacts across them, including 82,844 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers defense contractor IT consultants worldwide, 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 28, 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 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 28, 2026 86% judged on-target in blind review

11,299Companies

522,105Contacts tracked

82,844Verified emails

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The 25 largest defense contractor IT consultants worldwide

Ranked by team size

Top 25 of 11,299 defense contractor IT consultants worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to defense contractor IT 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	Northrop Grumman	Indirect evidence	Falls Church, VA, United StatesHQ checked Sep 28, 2026	10001+	74,984 contacts →
	Indirect evidence “We are a close-knit community of big thinkers collaborating to keep the world safe.” Source: RevenueBase Database · checked Sep 28, 2026
2	Raytheon	Partial evidence	Arlington, VA, United StatesHQ checked Sep 28, 2026	10001+	42,937 contacts →
	Partial evidence “Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible.” Source: RevenueBase Database · checked Sep 28, 2026
3	General Dynamics Information Technology	Indirect evidence	Falls Church, VA, United StatesHQ checked Sep 28, 2026	10001+	23,974 contacts →
	Indirect evidence “GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Source: RevenueBase Database · checked Sep 28, 2026
4	Parsons Corporation	Partial evidence	Chantilly, VA, United StatesHQ checked Sep 28, 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 28, 2026
5	Softtek	Indirect evidence	Monterrey, MexicoHQ checked Sep 28, 2026	10001+	13,490 contacts →
	Indirect evidence “At Softtek, we drive the strategic development of our clients through software engineering.” Source: RevenueBase Database · checked Sep 28, 2026
6	BAE Systems, INC	Partial evidence	Falls Church, VA, United StatesHQ checked Sep 28, 2026	10001+	12,898 contacts →
	Partial evidence “Improving the future and protecting lives is an ambitious mission, but it’s what we do.” Source: RevenueBase Database · checked Sep 28, 2026
7	Peraton	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	10001+	10,793 contacts →
	Indirect evidence “At Peraton, we're at the forefront of delivering the next big thing every day.” Source: RevenueBase Database · checked Sep 28, 2026
8	Dyncorp International	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 28, 2026	10001+	9,964 contacts →
	Indirect evidence “DynCorp International is now part of Amentum.” Source: RevenueBase Database · checked Sep 28, 2026
9	Mantech	Indirect evidence	Herndon, VA, United StatesHQ checked Sep 28, 2026	5,001-10,000	9,697 contacts →
	Indirect evidence “MANTECH is more than a technology company.” Source: RevenueBase Database · checked Sep 28, 2026
10	Asrc Federal	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	5,001-10,000	4,542 contacts →
	Indirect evidence “ASRC Federal’s employees provide solutions for more than 30 U.S.” Source: RevenueBase Database · checked Sep 28, 2026
11	OPTIV	Indirect evidence	Leawood, KS, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,222 contacts →
	Indirect evidence “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Source: RevenueBase Database · checked Sep 28, 2026
12	Modern Technology Solutions, Inc. Mtsi	Indirect evidence	Alexandria, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,920 contacts →
	Indirect evidence “Modern Technology Solutions, Inc.(MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of…” Source: RevenueBase Database · checked Sep 28, 2026
13	Scientific Research Corporation	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,917 contacts →
	Indirect evidence “Scientific Research Corporation is an advanced engineering company that was founded in 1988 to provide innovative solutions to the U.S.” Source: RevenueBase Database · checked Sep 28, 2026
14	American Systems	Partial evidence	Mclean, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,899 contacts →
	Partial evidence “Founded in 1975, AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of…” Source: RevenueBase Database · checked Sep 28, 2026
15	DCS Corp	Indirect evidence	Alexandria, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,898 contacts →
	Indirect evidence “DCS delivers advanced technology and management solutions to Government agencies in the national security sector.” Source: RevenueBase Database · checked Sep 28, 2026
16	SOSI	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,859 contacts →
	Partial evidence “Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private, founder-led defense and government solutions firm specializing in advanced technology systems and mission…” Source: RevenueBase Database · checked Sep 28, 2026
17	Perspecta	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 28, 2026	10001+	1,753 contacts →
	Indirect evidence “At Perspecta we question, we seek and we solve.” Source: RevenueBase Database · checked Sep 28, 2026
18	DMI	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,683 contacts →
	Indirect evidence “DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Source: RevenueBase Database · checked Sep 28, 2026
19	Dynetics, INC	Partial evidence	Huntsville, AL, United StatesHQ checked Sep 28, 2026	10001+	1,532 contacts →
	Partial evidence “Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.” Source: RevenueBase Database · checked Sep 28, 2026
20	Terma Group	Partial evidence	Lystrup, DenmarkHQ checked Sep 28, 2026	1,001-5,000	1,525 contacts →
	Partial evidence “Defense is a silent shield in an unpredictable world.” Source: RevenueBase Database · checked Sep 28, 2026
21	Nava Tech For Business	Indirect evidence	Barueri, BrazilHQ checked Sep 28, 2026	1,001-5,000	1,452 contacts →
	Indirect evidence “Atuamos no core de empresas líderes em seus segmentos, onde tecnologia, estratégia e operação se encontram.” Source: RevenueBase Database · checked Sep 28, 2026
22	Intrepidgs	Indirect evidence	Cape Canaveral, FL, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,408 contacts →
	Indirect evidence “At Intrepid Global Solutions, we lead the way in mission-critical support where others can’t.” Source: RevenueBase Database · checked Sep 28, 2026
23	Site سايت	Indirect evidence	Al Nakheel, Saudi ArabiaHQ checked Sep 28, 2026	501-1,000	1,378 contacts →
	Indirect evidence “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Source: RevenueBase Database · checked Sep 28, 2026
24	Trace3	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,345 contacts →
	Indirect evidence “Trace3 delivers business transformation.” Source: RevenueBase Database · checked Sep 28, 2026
25	Sangfor Technologies	Partial evidence	Shenzhen, ChinaHQ checked Sep 28, 2026	5,001-10,000	1,297 contacts →
	Partial evidence “Sangfor Technologies is a global leader in cybersecurity, cloud computing, and IT infrastructure, providing fully integrated and AI-driven solutions.” Source: RevenueBase Database · checked Sep 28, 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 contractor IT 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 contractor IT consultants.
Partial evidence: Its own public description names part of defense contractor IT consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name defense contractor IT 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 11,299 defense contractor IT consultants worldwide

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Defense contractor IT consultants worldwide at a glance

As of Sep 28, 2026

15.9%Verified-email coverage

46.2Average contacts per company

11-50Median size (employees)

1.7%Largest-city concentration · Washington

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

5,333

11-50

3,642

51-200

1,641

201-500

412

501-1,000

123

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 contractor IT 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.
Coverage: Every country. Country and city lists for defense contractor IT consultants are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “defense contractor IT 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 contractor IT 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 contractor IT consultants, and records with no verified work email.
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, 82,844 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 28, 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 contractor IT consultants by location

82 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 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 contractor IT 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 contractor IT consultants are there worldwide?

RevenueBase identified 11,299 defense contractor IT consultants worldwide 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?

Northrop Grumman, headquartered in Falls Church, tops this list with the largest team on record.

Which country has the most defense contractor IT consultants?

The United States leads with 5,134 companies, followed by India (705) and the United Kingdom (331). Every defense contractor IT consultants list by country and city is linked on this page.

Which city has the most defense contractor IT consultants?

Washington leads with 197 headquartered companies, followed by Reston (137) and Arlington (121).

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 82,844 verified decision-maker contacts tracked across these 11,299 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 28, 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.