Company lists · Data refreshed September 2026

Top 25 Defense industrial base security consultants worldwide

Name: Defense industrial base security consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 10,789 companies tracked

RevenueBase identified 10,789 company matches for defense industrial base security consultants worldwide as of September 2026 and tracks 166,948 professional contacts across them, including 36,001 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for defense industrial base security 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 September 28, 2026. Country and city lists for defense industrial base security 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 Sep 28, 2026 How this list was built

10,789Companies

166,948Contacts tracked

36,001Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest defense industrial base security consultants worldwide

Ranked by team size

Top 25 of 10,789 company matches for defense industrial base security consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Peraton	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	10001+	10,793 contacts →
	Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	9,697 contacts →
	Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Sicuritalia S.P.A	Exact match	Milano, ItalyHQ recorded Sep 28, 2026	10001+	3,387 contacts →
	Exact match “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,222 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Systems Planning & Analysis	Exact match	Alexandria, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,092 contacts →
	Exact match “Systems Planning & Analysis (SPA) is a leading global provider of data-driven analytical insights for critical national security programs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Paragon Systems INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 28, 2026	10001+	1,949 contacts →
	Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Icts Europe	Exact match	Bp12936, FranceHQ recorded Sep 28, 2026	10001+	1,455 contacts →
	Exact match “ICTS Europe is Europe’s leading security specialist.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Sep 28, 2026	501-1,000	1,378 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	First Security Group LLC	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 28, 2026	5,001-10,000	1,374 contacts →
	Exact match “First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,232 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	IEM	Exact match	Morrisville, NC, United StatesHQ recorded Sep 28, 2026	501-1,000	1,175 contacts →
	Exact match “IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Andrews International	Exact match	Burbank, CA, United StatesHQ recorded Sep 28, 2026	10001+	1,081 contacts →
	Exact match “Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	St. Moritz Security Services, INC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,062 contacts →
	Exact match “Founded in 1982, St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Brosnan Risk Consultants	Exact match	Pearl River, NY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,050 contacts →
	Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Seguritech	Exact match	Ciudad De Mexico, MexicoHQ recorded Sep 28, 2026	1,001-5,000	1,041 contacts →
	Exact match “A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Onet Sécurité	Exact match	Marseille, FranceHQ recorded Sep 28, 2026	10001+	1,007 contacts →
	Exact match “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	PPC	Exact match	Trevose, PA, United StatesHQ recorded Sep 28, 2026	201-500	979 contacts →
	Exact match “PPC is now part of DSA” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Securitas Norge	Exact match	Oslo, NorwayHQ recorded Sep 28, 2026	5,001-10,000	792 contacts →
	Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	AEGIS	Exact match	United StatesHQ recorded Sep 28, 2026	1,001-5,000	781 contacts →
	Exact match “AEGIS is a London based, privately owned, British security and risk management company with overseas offices in Afghanistan, Bahrain, Iraq and the USA.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	PSU	Exact match	Beijing, ChinaHQ recorded Sep 28, 2026	n/a	771 contacts →
	Exact match “Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Northeast Security INC	Exact match	Westwood, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	748 contacts →
	Exact match “Improving Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Halogen Group	Exact match	Lagos, NigeriaHQ recorded Sep 28, 2026	501-1,000	642 contacts →
	Exact match “Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Sep 28, 2026	501-1,000	629 contacts →
	Exact match “Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Sallyport Global	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	629 contacts →
	Exact match “Sallyport Global a Caliburn company is a global provider of a full spectrum of security and mission support solutions tailored to enable global security and stability operations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Planned Systems International	Exact match	Columbia, MD, United StatesHQ recorded Sep 28, 2026	1,001-5,000	611 contacts →
	Exact match “Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…” Recorded in the RevenueBase company graph · Sep 28, 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 industrial base security 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 10,789 defense industrial base security consultants worldwide

See the full list, filter by size, metro and specialty, and access 36,001 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Defense industrial base security consultants worldwide at a glance

As of Sep 28, 2026

21.6%Verified-email coverage

15.5Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

6,208

11-50

3,050

51-200

970

201-500

302

501-1,000

1,001-5,000

110

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 industrial base security consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “defense industrial base security 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 36,001 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 September 28, 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 industrial base security consultants by location

81 lists · largest first

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

How many defense industrial base security consultants are there worldwide?

RevenueBase identified 10,789 company matches for defense industrial base security consultants worldwide as of September 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?

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

Which country has the most defense industrial base security consultants?

The United States leads with 3,473 companies, followed by the United Kingdom (658) and India (382). Every defense industrial base security consultants list by country and city is linked on this page.

Which city has the most defense industrial base security consultants?

London leads with 251 company records, followed by Washington (118) and Sao Paulo (117).

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 36,001 professional contacts with verified work emails tracked across these 10,789 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 September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 10,789 defense industrial base security consultants worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.