Company lists · Data refreshed October 2026

Top 25 Defense contractor engineering consulting companies worldwide

Name: Defense contractor engineering consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 7,486 companies tracked

RevenueBase identified 7,486 company matches for defense contractor engineering consulting companies worldwide as of October 2026 and tracks 377,320 professional contacts across them, including 55,412 with verified work emails. The United States is the largest market and Huntsville the largest hub.

This list covers company matches for defense contractor engineering consulting companies 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 October 11, 2026. Country and city lists for defense contractor engineering consulting companies 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 Oct 11, 2026 How this list was built

7,486Companies

377,320Contacts tracked

55,412Verified emails

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The 25 largest defense contractor engineering consulting companies worldwide

Ranked by team size

Top 25 of 7,486 company matches for defense contractor engineering consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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, VA, United StatesHQ recorded Oct 11, 2026	10001+	76,380 contacts →
	Exact match “We are a close-knit community of big thinkers collaborating to keep the world safe.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Raytheon	Exact match	Arlington, VA, United StatesHQ recorded Oct 11, 2026	10001+	44,552 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 · Oct 11, 2026 · View company records in RevenueBase
3	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Oct 11, 2026	10001+	24,297 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	BAE Systems, INC	Exact match	Falls Church, VA, United StatesHQ recorded Oct 11, 2026	10001+	13,705 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 · Oct 11, 2026 · View company records in RevenueBase
5	Dyncorp International	Exact match	Mclean, VA, United StatesHQ recorded Oct 11, 2026	10001+	11,065 contacts →
	Exact match “DynCorp International is now part of Amentum.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	Leonardo DRS	Exact match	Arlington, VA, United StatesHQ recorded Oct 11, 2026	5,001-10,000	6,372 contacts →
	Exact match “Leonardo DRS Inc.(Nasdaq: DRS) is at the forefront of developing transformative defense technologies using its proven agility and delivering innovative solutions for U.S.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	SENER	Exact match	Getxo, SpainHQ recorded Oct 11, 2026	1,001-5,000	3,916 contacts →
	Exact match “At Sener we want to transform the world by challenging the boundaries of technology.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	ARA	Exact match	Albuquerque, NM, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,805 contacts →
	Exact match “Applied Research Associates, Inc.(ARA) is the company that government and industry turn to for innovative technologies and solutions to problems that improve our safety, security…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	AEGIS	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	n/a	2,454 contacts →
	Exact match “Aegis provides custom engineering and technology development services to a broad array of clients, including Fortune 100 companies, the U.S.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Textron Systems	Exact match	Haslet, TX, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,088 contacts →
	Exact match “Textron Systems has been providing innovative solutions to the defense, homeland security and aerospace communities for more than 50 years.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Modern Technology Solutions, Inc. Mtsi	Exact match	Alexandria, VA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,015 contacts →
	Exact match “Modern Technology Solutions, Inc.(MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	American Systems	Exact match	Mclean, VA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,982 contacts →
	Exact match “Founded in 1975, AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	Terma Group	Exact match	Lystrup, DenmarkHQ recorded Oct 11, 2026	1,001-5,000	1,655 contacts →
	Exact match “Defense is a silent shield in an unpredictable world.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	Exponent	Exact match	Menlo Park, CA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,628 contacts →
	Exact match “In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Thales Defense & Security, INC	Exact match	Clarksburg, MD, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,516 contacts →
	Exact match “Thales Defense & Security, Inc.(TDSI) Headquartered in Clarksburg, MD, Thales Defense & Security, Inc.(TDSI) is a U.S.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	Csra INC	Exact match	Falls Church, VA, United StatesHQ recorded Oct 11, 2026	10001+	1,503 contacts →
	Exact match “General Dynamics Information Technology and CSRA have united to create the premier provider of high-tech IT solutions to the government IT market.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Frazer-Nash Consultancy	Exact match	Leatherhead, United KingdomHQ recorded Oct 11, 2026	1,001-5,000	1,482 contacts →
	Exact match “With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Isdefe	Exact match	Madrid, SpainHQ recorded Oct 11, 2026	1,001-5,000	1,470 contacts →
	Exact match “Engineering Systems for the Defence of Spain, Isdefe, is a state owned company property of the Spanish General Administration specialized in providing innovative, likely and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,416 contacts →
	Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	STM	Exact match	Ankara, TürkiyeHQ recorded Oct 11, 2026	501-1,000	1,404 contacts →
	Exact match “STM Savunma Teknolojileri Mühendislik ve Ticaret A.Ş.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	COLSA	Exact match	Huntsville, AL, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,326 contacts →
	Exact match “COLSA Corporation is an engineering and support services company founded in 1980.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	LGM	Exact match	Vélizy-villacoublay, FranceHQ recorded Oct 11, 2026	1,001-5,000	1,269 contacts →
	Exact match “Avec plus de 30 ans d’aventure à nos côtés, LGM fait bien plus qu’accompagner les grands acteurs de l’industrie, de la Défense et des infrastructures : nous sommes…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	DPS Group Global	Exact match	Amsterdam, United KingdomHQ recorded Oct 11, 2026	1,001-5,000	1,223 contacts →
	Exact match “DPS is a global consulting, engineering and construction management company, serving high-tech industries around the world.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	VT Group VTG	Exact match	Alexandria, VA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,211 contacts →
	Exact match “VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Agile Defense	Exact match	Mclean, VA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,082 contacts →
	Exact match “Agile Defense: Always Evolving Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and…” Recorded in the RevenueBase company graph · Oct 11, 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 engineering 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 25 of 7,486 defense contractor engineering consulting companies worldwide

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Defense contractor engineering consulting companies worldwide at a glance

As of Oct 11, 2026

14.7%Verified-email coverage

50.4Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · Huntsville

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

3,878

11-50

2,179

51-200

915

201-500

301

501-1,000

1,001-5,000

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 engineering consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “defense contractor engineering 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. 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 55,412 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 October 11, 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 engineering consulting companies by location

37 lists · largest first

Every Defense contractor engineering consulting companies 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 engineering consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense contractor engineering consulting companies are there worldwide?

RevenueBase identified 7,486 company matches for defense contractor engineering consulting companies worldwide as of October 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 engineering consulting companies?

The United States leads with 2,749 companies, followed by the United Kingdom (304) and Brazil (288). Every defense contractor engineering consulting companies list by country and city is linked on this page.

Which city has the most defense contractor engineering consulting companies?

Huntsville leads with 91 company records, followed by Washington (65) and Ankara (61).

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 55,412 professional contacts with verified work emails tracked across these 7,486 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 October 11, 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.