Company lists · Data refreshed September 2026

Top 25 Intelligence and security services based in the United States

Name: Intelligence and security services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 5,306 companies tracked

RevenueBase identified 5,306 intelligence and security services headquartered in the United States as of September 2026 and tracks 168,245 professional contacts across them, including 37,018 with verified work emails and 70,675 with mobile numbers. Washington is the largest hub.

This list covers intelligence and security services headquartered in the United States, 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 4, 2026.

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 4, 2026 86% judged on-target in blind review

5,306Companies

168,245Contacts tracked

37,018Verified emails

70,675Mobile numbers

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The 25 largest intelligence and security services based in the United States

Ranked by team size

Top 25 of 5,306 intelligence and security services based in the United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. RevenueBase Smart Search rates how each company's information relates to intelligence and security services: 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	General Dynamics Information Technology	Indirect evidence	Falls Church, VA, United StatesHQ checked Sep 4, 2026	10001+	24,019 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 4, 2026
2	Peraton	Indirect evidence	Reston, CA, United StatesHQ checked Sep 4, 2026	10001+	10,741 contacts →
	Indirect evidence “At Peraton, we're at the forefront of delivering the next big thing every day.” Source: RevenueBase Database · checked Sep 4, 2026
3	Mantech	Indirect evidence	Herndon, VA, United StatesHQ checked Sep 4, 2026	5,001-10,000	9,756 contacts →
	Indirect evidence “MANTECH is more than a technology company.” Source: RevenueBase Database · checked Sep 4, 2026
4	U.S. Security Associates, INC	Indirect evidence	Roswell, UT, United StatesHQ checked Sep 4, 2026	10001+	3,600 contacts →
	Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 4, 2026
5	Trellix	Strong evidence	Plano, TX, United StatesHQ checked Sep 4, 2026	1,001-5,000	3,490 contacts →
	Strong evidence “Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Source: RevenueBase Database · checked Sep 4, 2026
6	OPTIV	Indirect evidence	Leawood, VA, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,206 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 4, 2026
7	Systems Planning & Analysis	Partial evidence	Alexandria, VA, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,082 contacts →
	Partial evidence “Systems Planning & Analysis (SPA) is a leading global provider of data-driven analytical insights for critical national security programs.” Source: RevenueBase Database · checked Sep 4, 2026
8	Paragon Systems INC	Partial evidence	Herndon, VA, United StatesHQ checked Sep 4, 2026	10001+	1,946 contacts →
	Partial evidence “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Source: RevenueBase Database · checked Sep 4, 2026
9	Government Acquisitions	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 4, 2026	n/a	1,439 contacts →
	Partial evidence “Government Acquisitions, LLC (GAI) stands at the forefront of a transformative era, where artificial intelligence is reshaping our world and the stakes have never been higher.” Source: RevenueBase Database · checked Sep 4, 2026
10	Guidepoint Security	Partial evidence	Reston, FL, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,234 contacts →
	Partial evidence “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Source: RevenueBase Database · checked Sep 4, 2026
11	IEM	Indirect evidence	Morrisville, LA, United StatesHQ checked Sep 4, 2026	501-1,000	1,173 contacts →
	Indirect evidence “IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Source: RevenueBase Database · checked Sep 4, 2026
12	SOS Security LLC	Partial evidence	Parsippany, CA, United StatesHQ checked Sep 4, 2026	10001+	1,148 contacts →
	Partial evidence “SOS Security is a known innovator and leader in the security and protective services industry.” Source: RevenueBase Database · checked Sep 4, 2026
13	Andrews International	Partial evidence	Burbank, CA, United StatesHQ checked Sep 4, 2026	10001+	1,084 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 4, 2026
14	Agile Defense	Partial evidence	Mclean, AL, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,080 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 4, 2026
15	Brosnan Risk Consultants	Partial evidence	Pearl River, CA, United StatesHQ checked Sep 4, 2026	5,001-10,000	1,047 contacts →
	Partial evidence “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Source: RevenueBase Database · checked Sep 4, 2026
16	PPC	Indirect evidence	Trevose, PA, United StatesHQ checked Sep 4, 2026	201-500	981 contacts →
	Indirect evidence “PPC is now part of DSA” Source: RevenueBase Database · checked Sep 4, 2026
17	The MIL Corporation	Indirect evidence	Bowie, MD, United StatesHQ checked Sep 4, 2026	501-1,000	942 contacts →
	Indirect evidence “Established in 1980, MIL provides innovative cyber, engineering, financial, and information technology services to the federal government.” Source: RevenueBase Database · checked Sep 4, 2026
18	Tyto Athene, LLC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 4, 2026	1,001-5,000	858 contacts →
	Indirect evidence “At Tyto Athene, we help turn Data to Dominance.” Source: RevenueBase Database · checked Sep 4, 2026
19	L-3 National Security Solutions	Partial evidence	Reston, VA, United StatesHQ checked Sep 4, 2026	1,001-5,000	815 contacts →
	Partial evidence “L-3 National Security Solutions was acquired by CACI International Inc on February 1, 2016.” Source: RevenueBase Database · checked Sep 4, 2026
20	Bitsight	Partial evidence	Boston, NC, United StatesHQ checked Sep 4, 2026	501-1,000	753 contacts →
	Partial evidence “Bitsight is the global leader in cyber risk intelligence, leveraging advanced AI to empower organizations with precise insights derived from the industry’s most extensive external…” Source: RevenueBase Database · checked Sep 4, 2026
21	Northeast Security INC	Partial evidence	Westwood, MA, United StatesHQ checked Sep 4, 2026	1,001-5,000	744 contacts →
	Partial evidence “Improving Security.” Source: RevenueBase Database · checked Sep 4, 2026
22	RED River	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 4, 2026	501-1,000	735 contacts →
	Indirect evidence “Red River brings together the ideal combination of talent, partners and products to disrupt the status quo in technology and drive success for business and government in ways…” Source: RevenueBase Database · checked Sep 4, 2026
23	STG INC	Partial evidence	Reston, VA, United StatesHQ checked Sep 4, 2026	1,001-5,000	699 contacts →
	Partial evidence “SOS International LLC (SOSi) is a family-owned, middle-market government services integrator that works principally in the defense and intelligence sectors.” Source: RevenueBase Database · checked Sep 4, 2026
24	Omniplex World Services Corporation	Strong evidence	Herndon, VA, United StatesHQ checked Sep 4, 2026	1,001-5,000	682 contacts →
	Strong evidence “OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Source: RevenueBase Database · checked Sep 4, 2026
25	Telos Corporation	Partial evidence	Ashburn, NV, United StatesHQ checked Sep 4, 2026	501-1,000	636 contacts →
	Partial evidence “Telos empowers and protects the world’s most security-conscious organizations with solutions for continuous security assurance of individuals, systems, and information.” Source: RevenueBase Database · checked Sep 4, 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: intelligence and security services. 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 intelligence and security services.
Partial evidence: Its own public description names part of intelligence and security services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name intelligence and security services. 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 5,306 intelligence and security services based in the United States

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Intelligence and security services based in the United States at a glance

As of Sep 4, 2026

22.0%Verified-email coverage

42.0%Mobile-number coverage

31.7Average contacts per company

1-10Median size (employees)

3.8%Largest-city concentration · Washington

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

2,667

11-50

1,646

51-200

673

201-500

173

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

3,11531–60

19,15361–90

13,12790–180

1,623180+

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 intelligence and security services, 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “intelligence and security services”. 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 intelligence and security services), 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 intelligence and security services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 37,018 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 4, 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.

Intelligence and security services by metro

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 intelligence and security services, 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 intelligence and security services are there based in the United States?

RevenueBase identified 5,306 intelligence and security services headquartered in the United States 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?

General Dynamics Information Technology, headquartered in Falls Church, tops this list with the largest team on record.

Which city has the most intelligence and security services?

Washington leads with 199 headquartered companies, followed by New York (159) and Houston (95).

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 37,018 verified decision-maker contacts tracked across these 5,306 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 4, 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.