Company lists · Data refreshed November 2026

Top 25 Systems engineering companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 13,238 companies tracked

RevenueBase identified 13,238 company matches for systems engineering companies worldwide as of November 2026 and tracks 275,233 professional contacts across them, including 67,005 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for systems engineering 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 November 6, 2026. Country and city lists for systems engineering 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 Nov 6, 2026 How this list was built

13,238Companies

275,233Contacts tracked

67,005Verified emails

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The 25 largest systems engineering companies worldwide

Ranked by team size

Top 25 of 13,238 company matches for systems engineering companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Atkins	Exact match	Epsom, FL, United KingdomHQ recorded Nov 6, 2026	10001+	9,322 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
3	Groupe SII	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	5,212 contacts →
	Exact match “Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Alten Italia	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	3,042 contacts →
	Exact match “Il Gruppo ALTEN, leader europeo nella consulenza per le tecnologie avanzate in campo ingegneristico e ICT, è quotato alla Borsa di Parigi e vanta più di 57.700 collaboratori in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	VEE Technologies	Exact match	Decatur, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,027 contacts →
	Exact match “Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	AEGIS	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	n/a	2,517 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
7	Centum Electronics LTD	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,845 contacts →
	Exact match “Centum was founded in 1994 in Bangalore, India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,827 contacts →
	Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Frazer-Nash Consultancy	Exact match	Leatherhead, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,506 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
10	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,477 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 · Nov 6, 2026 · View company records in RevenueBase
11	STM	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	501-1,000	1,423 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
12	Engility Corporation	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,397 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
13	LGM	Exact match	Vélizy-villacoublay, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,301 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
14	DPS Group Global	Exact match	Amsterdam, NY, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,241 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 · Nov 6, 2026 · View company records in RevenueBase
15	VT Group VTG	Exact match	Alexandria, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,219 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
16	DGS Technical Services INC	Exact match	Elgin, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,043 contacts →
	Exact match “DGSTS, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	ARI	Exact match	East Peoria, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,030 contacts →
	Exact match “ARi is a global engineering firm headquartered in East Peoria, Illinois, USA offering services for: Embedded Software, Product Engineering, Manufacturing Engineering and Testing &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	DSA	Exact match	Trevose, VA, United StatesHQ recorded Nov 6, 2026	201-500	944 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
19	TSC	Exact match	Arlington, MD, United StatesHQ recorded Nov 6, 2026	501-1,000	932 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
20	Mesa Associates, INC	Exact match	Madison, OH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	904 contacts →
	Exact match “Mesa is a full service engineering, procurement, and construction management firm specializing in providing engineering services to electric utility, heavy industrial, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Mistral Solutions	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	501-1,000	878 contacts →
	Exact match “Mistral Solutions, a subsidiary of AXISCADES, is a leading technology design and systems engineering company specializing in embedded solutions and application deployment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Viveris	Exact match	Boulogne-billancourt, FranceHQ recorded Nov 6, 2026	1,001-5,000	870 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
23	Teledyne Brown Engineering	Exact match	Huntsville, United StatesHQ recorded Nov 6, 2026	1,001-5,000	869 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
24	Apside	Exact match	Boulogne-billancourt, FranceHQ recorded Nov 6, 2026	1,001-5,000	868 contacts →
	Exact match “We are true to our word Expertise, trust, careers For 36 years, Apside has cooperated with the largest French and European groups on their IT and scientific projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Systems Engineering Services Corporation Sesc	Exact match	Reston, DE, United StatesHQ recorded Nov 6, 2026	201-500	812 contacts →
	Exact match “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded in the RevenueBase company graph · Nov 6, 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 “systems engineering 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 13,238 systems engineering companies worldwide

See the full list, filter by size, metro and specialty, and access 67,005 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems engineering companies worldwide at a glance

As of Nov 6, 2026

24.3%Verified-email coverage

20.8Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · Bangalore

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,816

11-50

4,011

51-200

1,661

201-500

430

501-1,000

126

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 systems engineering companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “systems engineering 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 67,005 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.

Systems engineering companies by location

84 lists · largest first

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

How many systems engineering companies are there worldwide?

RevenueBase identified 13,238 company matches for systems engineering companies 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?

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

Which country has the most systems engineering companies?

The United States leads with 3,814 companies, followed by India (710) and the United Kingdom (618). Every systems engineering companies list by country and city is linked on this page.

Which city has the most systems engineering companies?

Bangalore leads with 147 company records, followed by Paris (108) and London (97).

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 67,005 professional contacts with verified work emails tracked across these 13,238 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.