Company lists · Data refreshed November 2026

Top 25 Government security system suppliers based in the United States

RevenueBase identified 2,757 company matches for government security system suppliers associated with the United States as of November 2026 and tracks 79,645 professional contacts across them, including 19,827 with verified work emails. New York is the largest hub.

This list covers company matches for government security system suppliers associated with the United States, 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 5, 2026.

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 5, 2026 How this list was built
2,757Companies
79,645Contacts tracked
19,827Verified emails
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The 25 largest government security system suppliers based in the United States

Ranked by team size
Top 25 of 2,757 company matches for government security system suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchReston, MD, United StatesHQ recorded Nov 5, 202610001+11,210 contacts →

Exact match

“At Peraton, we're at the forefront of delivering the next big thing every day.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchHoffman Estates, IL, United StatesHQ recorded Nov 5, 202610001+6,031 contacts →

Exact match

“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchAlpharetta, GA, United StatesHQ recorded Nov 5, 2026n/a2,754 contacts →

Exact match

“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 202610001+1,928 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchRomeoville, IL, United StatesHQ recorded Nov 5, 20261,001-5,0001,467 contacts →

Exact match

“As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBurbank, CA, United StatesHQ recorded Nov 5, 202610001+1,216 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 · Nov 5, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Nov 5, 20261,001-5,0001,209 contacts →

Exact match

“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAnchorage, AK, United StatesHQ recorded Nov 5, 20261,001-5,000986 contacts →

Exact match

“Chugach Government Solutions,(CGS) is a government contracting company formed by Chugach Alaska Corporation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchTrevose, VA, United StatesHQ recorded Nov 5, 2026201-500944 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchWest Palm Beach, TN, United StatesHQ recorded Nov 5, 2026501-1,000927 contacts →

Exact match

“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchReston, VA, United StatesHQ recorded Nov 5, 20261,001-5,000921 contacts →

Exact match

“Quantum Sky is a mission technology company that builds secure AI, cyber, cloud, and quantum capabilities for defense, intelligence, and federal civilian agencies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchUniontown, IL, United StatesHQ recorded Nov 5, 202610001+837 contacts →

Exact match

“Securitas knows Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchWestwood, MA, United StatesHQ recorded Nov 5, 20261,001-5,000767 contacts →

Exact match

“Improving Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchVirginia Beach, VA, United StatesHQ recorded Nov 5, 2026201-500692 contacts →

Exact match

“ADS provides innovative and cost-effective solutions for our customers’ equipment, procurement, and logistics challenges.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAshburn, VA, United StatesHQ recorded Nov 5, 2026501-1,000676 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 · Nov 5, 2026 · View company records in RevenueBase
16Exact matchOklahoma City, NV, United StatesHQ recorded Nov 5, 2026501-1,000578 contacts →

Exact match

“Ford AV designs, installs, and services professional and commercial sound, audio-video, network infrastructure, and security surveillance systems for organizations including…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchAmityville, NY, United StatesHQ recorded Nov 5, 2026501-1,000464 contacts →

Exact match

“NAPCO Security Technologies (NASDAQ: NSSC) is one of the world's leading manufacturers of technologically advanced electronic security equipment including intrusion and fire alarm…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSt. Louis, IN, United StatesHQ recorded Nov 5, 2026201-500415 contacts →

Exact match

“Since we opened our doors in 1963, relationships have been are our strength by putting people before products.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 202651-200374 contacts →

Exact match

“From disaster response and automated healthcare kiosks to occupational health services and federal IT consulting, we operate at the intersection of mission-critical need and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchColorado Springs, CO, United StatesHQ recorded Nov 5, 20261,001-5,000329 contacts →

Exact match

“SPARTA, Inc, recently acquired by Parsons, provides world-class technical products and services to the defense, intelligence and homeland security sectors of the US federal…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNashville, TN, United StatesHQ recorded Nov 5, 2026201-500328 contacts →

Exact match

“Headquartered in Nashville, TN, with branches throughout the Southeastern United States, ADS Security, a Vector Security company, is the 20th largest electronic security company…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchPortland, OR, United StatesHQ recorded Nov 5, 2026201-500318 contacts →

Exact match

“At Cook Solutions Group (CSG) we are all about service and fulfillment following one motto, “We Make it Happen!” Simple | Secure | Service | Solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchIrving, TX, United StatesHQ recorded Nov 5, 20261,001-5,000312 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSyosset, NY, United StatesHQ recorded Nov 5, 2026201-500306 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchWinston-Salem, NC, United StatesHQ recorded Nov 5, 20261,001-5,000299 contacts →

Exact match

“Established in 1955, The Cook & Boardman Group is the nation’s premier provider of architectural doors and frames, door hardware and related building specialty products in…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 2,757 government security system suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 19,827 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government security system suppliers based in the United States at a glance

As of Nov 5, 2026
24.9%Verified-email coverage
28.9Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · New York
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,097
11-50
1,157
51-200
352
201-500
77
501-1,000
33
1,001-5,000
27
5,001-10,000
3
10001+
6

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,757 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “government security system suppliers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 19,827 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 5, 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.

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 “government security system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government security system suppliers are there based in the United States?

RevenueBase identified 2,757 company matches for government security system suppliers associated with the United States 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?

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

Which city has the most government security system suppliers?

New York leads with 53 company records, followed by Houston (52) and Miami (35).

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 19,827 professional contacts with verified work emails tracked across these 2,757 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 5, 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.