Company lists · Data refreshed November 2026

Top 25 Defense systems engineering consultants worldwide

RevenueBase identified 4,540 company matches for defense systems engineering consultants worldwide as of November 2026 and tracks 161,232 professional contacts across them, including 36,788 with verified work emails. The United States is the largest market and Huntsville the largest hub.

This list covers company matches for defense systems engineering 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 6, 2026. Country and city lists for defense systems engineering 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 6, 2026 How this list was built
4,540Companies
161,232Contacts tracked
36,788Verified emails
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The 25 largest defense systems engineering consultants worldwide

Ranked by team size
Top 25 of 4,540 company matches for defense systems engineering consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchStockholm, SwedenHQ recorded Nov 6, 202610001+18,236 contacts →

Exact match

“As a leading defence and security company, we offer solutions that range from the depths of the oceans to high in the sky, on land and in cyberspace, to keep people and society…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchGetxo, ON, SpainHQ recorded Nov 6, 20261,001-5,0004,062 contacts →

Exact match

“At Sener we want to transform the world by challenging the boundaries of technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026n/a2,517 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMclean, VA, United StatesHQ recorded Nov 6, 20261,001-5,0002,085 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAlexandria, FL, United StatesHQ recorded Nov 6, 20261,001-5,0002,042 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLystrup, DenmarkHQ recorded Nov 6, 20261,001-5,0001,709 contacts →

Exact match

“Defense is a silent shield in an unpredictable world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMenlo Park, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,679 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLeatherhead, United KingdomHQ recorded Nov 6, 20261,001-5,0001,506 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026501-1,0001,423 contacts →

Exact match

“STM Savunma Teknolojileri Mühendislik ve Ticaret A.Ş.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchReston, VA, United StatesHQ recorded Nov 6, 20265,001-10,0001,397 contacts →

Exact match

“Engility Corporation is now part of SAIC, a premier technology integrator based in Reston, Virginia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHuntsville, OH, United StatesHQ recorded Nov 6, 20261,001-5,0001,382 contacts →

Exact match

“COLSA Corporation is an engineering and support services company founded in 1980.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchVélizy-villacoublay, FranceHQ recorded Nov 6, 20261,001-5,0001,301 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,219 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHuntsville, AL, United StatesHQ recorded Nov 6, 20261,001-5,0001,085 contacts →

Exact match

“Radiance Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchScoresby, AustraliaHQ recorded Nov 6, 20261,001-5,0001,053 contacts →

Exact match

“Leidos is a Fortune 500® innovation company working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTrevose, VA, United StatesHQ recorded Nov 6, 2026201-500944 contacts →

Exact match

“Data Systems Analysts (DSA) is a mission technology company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchArlington, MD, United StatesHQ recorded Nov 6, 2026501-1,000932 contacts →

Exact match

“TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026201-500928 contacts →

Exact match

“HALCON has developed in-house expertise across the entire value chain for gravity-release bomb guidance systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChantilly, VA, United StatesHQ recorded Nov 6, 20261,001-5,000909 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBoulogne-billancourt, FranceHQ recorded Nov 6, 20261,001-5,000870 contacts →

Exact match

“Viveris is a consulting and engineering company with two main activities - IT consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHuntsville, United StatesHQ recorded Nov 6, 20261,001-5,000869 contacts →

Exact match

“Teledyne Brown Engineering is a leader in providing innovative systems engineering, integration, operations and advanced manufacturing solutions for defense, space, marine and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBuffalo Grove, IL, United StatesHQ recorded Nov 6, 2026501-1,000796 contacts →

Exact match

“Kay and Associates, Inc.(KAI) has kept the world's most demanding fleets mission-ready since 1960.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLexington Park, MD, United StatesHQ recorded Nov 6, 20261,001-5,000778 contacts →

Exact match

“Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation’s most critical defense programs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLevallois-perret, FranceHQ recorded Nov 6, 20261,001-5,000727 contacts →

Exact match

“Le Groupe INTM est une société de conseil et de services en ingénierie numérique, dont le positionnement s'inscrit depuis plusieurs années dans une volonté de proximité, d'écoute…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDearborn, United StatesHQ recorded Nov 6, 2026501-1,000710 contacts →

Exact match

“An innovator since 1982, Ghafari embraces an integrated design approach to deliver solutions that synergize building operations, systems, and people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,540 defense systems engineering consultants worldwide

See the full list, filter by size, metro and specialty, and access 36,788 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Defense systems engineering consultants worldwide at a glance

As of Nov 6, 2026
22.8%Verified-email coverage
35.5Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Huntsville
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,381
11-50
1,228
51-200
599
201-500
194
501-1,000
59
1,001-5,000
51
5,001-10,000
4
10001+
7

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 systems engineering consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “defense systems engineering 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 36,788 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 6, 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 systems engineering consultants by location

30 lists · largest first

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

How many defense systems engineering consultants are there worldwide?

RevenueBase identified 4,540 company matches for defense systems engineering 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?

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

Which country has the most defense systems engineering consultants?

The United States leads with 1,746 companies, followed by the United Kingdom (278) and Australia (203). Every defense systems engineering consultants list by country and city is linked on this page.

Which city has the most defense systems engineering consultants?

Huntsville leads with 76 company records, followed by Washington (53) and Bangalore (50).

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 36,788 professional contacts with verified work emails tracked across these 4,540 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 6, 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.