Company lists · Data refreshed September 2026
Top 25 Terminal security companies based in the United States
RevenueBase identified 797 company matches for terminal security companies associated with the United States as of September 2026 and tracks 18,392 professional contacts across them, including 2,062 with verified work emails and 6,482 with mobile numbers. Houston is the largest hub.
This list covers company matches for terminal security companies 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 September 6, 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.
The 25 largest terminal security companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,592 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,190 contacts → | ||||
Exact match “DSI Security Services offers armed and unarmed uniformed security guard services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 3 | 346 contacts → | ||||
Exact match “Cambridge Security Services is a private security company that has been in business for more than 30 years.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 4 | 338 contacts → | ||||
Exact match “iidon Security Associates provides premier security services catered to your company's needs.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 5 | 320 contacts → | ||||
Exact match “United American Security was formed in 2010 to bring excellent regional security companies together.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 6 | 308 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 · Sep 6, 2026 · View company records in RevenueBase | |||||
| 7 | 302 contacts → | ||||
Exact match “Sonitrol is the industry leader in verified electronic security and provides customers with a single source of integrated security solutions for intrusion, video, access and fire.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 8 | 244 contacts → | ||||
Exact match “For over 50 years, Wittenbach has been a trusted leader in advanced security solutions in financial and commercial industries.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 9 | 240 contacts → | ||||
Exact match “Hirsch is a global leader in unified security solutions, helping enterprise and SMB organisations integrate perimeter security, intrusion detection, access control, video…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 10 | 206 contacts → | ||||
Exact match “An industry leader in managed access control security solutions and services since 1981, Datawatch Systems is trusted by building owners, property managers, and tenants across the…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 11 | 196 contacts → | ||||
Exact match “Strategic Security Corp (SSC) is a nationwide leading provider of integrated security solutions specializing in security guard services, event security, consulting, executive…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 12 | 186 contacts → | ||||
Exact match “Privately held American owned company that provides professionally trained armed/unarmed security officers to the federal government, municipalities,commercial clients, utility…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 13 | 177 contacts → | ||||
Exact match “AMAG Technology is a market leader in Physical Access Control, Identity Management and integrated security solutions.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 14 | 171 contacts → | ||||
Exact match “Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 15 | 170 contacts → | ||||
Exact match “Since 1981, Teachout Security Solutions has become well-known as industry-leading uniformed security services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 16 | 157 contacts → | ||||
Exact match “Quality armed and unarmed security officer services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 17 | 143 contacts → | ||||
Exact match “For almost 40 years, VTI has been called upon and recognized by our industry for a full range of advanced physical security technologies.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 18 | 139 contacts → | ||||
Exact match “Pacific Security has delivered professional, responsive security services throughout Washington State since 1972.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 19 | 129 contacts → | ||||
Exact match “Nighthawk Security Company is a privately owned and operated company headquartered in western Kentucky.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 20 | 124 contacts → | ||||
Exact match “Authentic8 helps intelligence and security teams investigate the digital world without exposing who they are, where they are, or what they are working on.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 21 | 123 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 22 | 116 contacts → | ||||
Exact match “Advanced Security Concepts, Inc (ASC), is a Los Angeles area security provider based in Van Nuys, CA.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 23 | 104 contacts → | ||||
Exact match “Be part of the superior team” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 24 | 104 contacts → | ||||
Exact match “Securitas is the leader in Protective Services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 25 | 103 contacts → | ||||
Exact match “Headquartered in suburban Philadelphia, UAS is a national provider of integrated security services protecting over $15 billion in commercial assets for a wide variety of clients…” Recorded in the RevenueBase company graph · Sep 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 “terminal security 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 797 terminal security companies based in the United States
See the full list, filter by size, metro and specialty, and access 2,062 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Terminal security companies based in the United States at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 “terminal security 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. 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 2,062 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 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.
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 “terminal security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many terminal security companies are there based in the United States?
RevenueBase identified 797 company matches for terminal security companies associated with the United States 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?
U.S. Security Associates, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most terminal security companies?
Houston leads with 26 company records, followed by Los Angeles (24) and New York (20).
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 2,062 professional contacts with verified work emails tracked across these 797 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 797 terminal security companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Terminal security companies by geography
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- Terminal security companies based in Canada
- Terminal security companies based in Germany
- Terminal security companies based in Italy
- Terminal security companies based in Australia
- Terminal security companies based in South Africa
- Terminal security companies based in the Netherlands
- Terminal security companies based in India
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Terminal security companies based in Brazil
- Terminal security companies based in the United Kingdom
- Terminal security companies based in Mexico
- Terminal security companies based in France
- Terminal security companies based in Canada
- Terminal security companies based in Germany
Company intelligence · public preview
Top 25 terminal security companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 797 matching company records for terminal security companies based in the United States, with 18,392 tracked contacts and 2,062 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 terminal security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  DSI Security Servicesdsisecurity.comHQ: Dothan, AL, United StatesReported employees: 1,001-5,000 | Dothan, AL, United States | 1,001-5,000 | Exact match | 1,190 contacts → |
“DSI Security Services offers armed and unarmed uniformed security guard services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cambridge Security Services Corpcambridgesecurityservices.comHQ: Fort Lauderdale, FL, United StatesReported employees: 1,001-5,000 | Fort Lauderdale, FL, United States | 1,001-5,000 | Exact match | 346 contacts → |
“Cambridge Security Services is a private security company that has been in business for more than 30 years.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Iidon Security Associatesiidon.netHQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 338 contacts → |
“iidon Security Associates provides premier security services catered to your company's needs.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  United American Security, LLC UASteamuas.comHQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 320 contacts → |
“United American Security was formed in 2010 to bring excellent regional security companies together.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cook Solutions Groupcooksolutionsgroup.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 308 contacts → |
“At Cook Solutions Group (CSG) we are all about service and fulfillment following one motto, “We Make it Happen!” Simple | Secure | Service | Solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Sonitrolsonitrol.comHQ: Indianapolis, United StatesReported employees: 10001+ | Indianapolis, United States | 10001+ | Exact match | 302 contacts → |
“Sonitrol is the industry leader in verified electronic security and provides customers with a single source of integrated security solutions for intrusion, video, access and fire.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Wittenbachwittenbach.comHQ: Sparks, MD, United StatesReported employees: 201-500 | Sparks, MD, United States | 201-500 | Exact match | 244 contacts → |
“For over 50 years, Wittenbach has been a trusted leader in advanced security solutions in financial and commercial industries.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Hirsch USAhirschsecure.comHQ: Santa Ana, CA, United StatesReported employees: 201-500 | Santa Ana, CA, United States | 201-500 | Exact match | 240 contacts → |
“Hirsch is a global leader in unified security solutions, helping enterprise and SMB organisations integrate perimeter security, intrusion detection, access control, video…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Datawatch Systemsdatawatchsystems.comHQ: Bethesda, MD, United StatesReported employees: 201-500 | Bethesda, MD, United States | 201-500 | Exact match | 206 contacts → |
“An industry leader in managed access control security solutions and services since 1981, Datawatch Systems is trusted by building owners, property managers, and tenants across the…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Strategic Security Corporationsscctu.comHQ: Smithtown, NY, United StatesReported employees: 1,001-5,000 | Smithtown, NY, United States | 1,001-5,000 | Exact match | 196 contacts → |
“Strategic Security Corp (SSC) is a nationwide leading provider of integrated security solutions specializing in security guard services, event security, consulting, executive…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Maxsentmaxsent.comHQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 186 contacts → |
“Privately held American owned company that provides professionally trained armed/unarmed security officers to the federal government, municipalities,commercial clients, utility…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Amag Technologyamag.comHQ: Hawthorne, CA, United StatesReported employees: 201-500 | Hawthorne, CA, United States | 201-500 | Exact match | 177 contacts → |
“AMAG Technology is a market leader in Physical Access Control, Identity Management and integrated security solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  TOP Guard Securitytopguardinc.comHQ: Norfolk, VA, United StatesReported employees: 501-1,000 | Norfolk, VA, United States | 501-1,000 | Exact match | 171 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Teachout Security Solutions, INCteachoutsecurity.comHQ: Flint, MI, United StatesReported employees: 501-1,000 | Flint, MI, United States | 501-1,000 | Exact match | 170 contacts → |
“Since 1981, Teachout Security Solutions has become well-known as industry-leading uniformed security services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Twin City Security, INCtwincitysecurity.comHQ: Denver, CO, United StatesReported employees: 501-1,000 | Denver, CO, United States | 501-1,000 | Exact match | 157 contacts → |
“Quality armed and unarmed security officer services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  VTI Securitypaladintechnologies.comHQ: Burnsville, MN, United StatesReported employees: 1,001-5,000 | Burnsville, MN, United States | 1,001-5,000 | Exact match | 143 contacts → |
“For almost 40 years, VTI has been called upon and recognized by our industry for a full range of advanced physical security technologies.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Pacific Securitypacsecurity.comHQ: Bellingham, WA, United StatesReported employees: 201-500 | Bellingham, WA, United States | 201-500 | Exact match | 139 contacts → |
“Pacific Security has delivered professional, responsive security services throughout Washington State since 1972.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Nighthawk Security Companynighthawksecurityco.comHQ: Owensboro, KY, United StatesReported employees: 501-1,000 | Owensboro, KY, United States | 501-1,000 | Exact match | 129 contacts → |
“Nighthawk Security Company is a privately owned and operated company headquartered in western Kentucky.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Authentic8authentic8.comHQ: Redwood City, CA, United StatesReported employees: 51-200 | Redwood City, CA, United States | 51-200 | Exact match | 124 contacts → |
“Authentic8 helps intelligence and security teams investigate the digital world without exposing who they are, where they are, or what they are working on.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Giddens Security Corpgiddenssecurity.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 123 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Advanced Security Concepts INCaboutasc.comHQ: Van Nuys, CA, United StatesReported employees: 51-200 | Van Nuys, CA, United States | 51-200 | Exact match | 116 contacts → |
“Advanced Security Concepts, Inc (ASC), is a Los Angeles area security provider based in Van Nuys, CA.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Superior Protection Servicessuperiorprotect.comHQ: Commerce, CA, United StatesReported employees: 501-1,000 | Commerce, CA, United States | 501-1,000 | Exact match | 104 contacts → |
“Be part of the superior team” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Securitas USA South Regionsecuritasinc.comHQ: Kennesaw, GA, United StatesReported employees: 10001+ | Kennesaw, GA, United States | 10001+ | Exact match | 104 contacts → |
“Securitas is the leader in Protective Services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Universal Atlantic Systemsuas.comHQ: Paoli, PA, United StatesReported employees: 51-200 | Paoli, PA, United States | 51-200 | Exact match | 103 contacts → |
“Headquartered in suburban Philadelphia, UAS is a national provider of integrated security services protecting over $15 billion in commercial assets for a wide variety of clients…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 797 company matches
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Terminal security companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
794 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for terminal security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many terminal security companies did RevenueBase find based in the United States?
The saved snapshot records 797 matching company records, 18,392 tracked contacts and 2,062 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Terminal security companies by geography
- Terminal security companies based in Brazil
- Terminal security companies based in the United Kingdom
- Terminal security companies based in Mexico
- Terminal security companies based in France
- Terminal security companies based in Canada
- Terminal security companies based in Germany
- Terminal security companies based in Italy
- Terminal security companies based in Australia
- Terminal security companies based in South Africa
- Terminal security companies based in the Netherlands
- Terminal security companies based in India
Cite this list
RevenueBase Data Team. Top 25 terminal security companies based in the United States. Snapshot: September 6, 2026. https://revenuebase.ai/companies/terminal-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Terminal security companies based in Brazil
- Terminal security companies based in the United Kingdom
- Terminal security companies based in Mexico
- Terminal security companies based in France
- Terminal security companies based in Canada
- Terminal security companies based in Germany
Company intelligence · public preview
Top 25 terminal security companies based in the United States
RevenueBase records 797 matching company records for terminal security companies based in the United States, with 18,392 tracked contacts and 2,062 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 terminal security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | DSI Security Servicesdsisecurity.com HQ: Dothan, AL, United StatesReported employees: 1,001-5,000 | Dothan, AL, United States | 1,001-5,000 | Exact match | 1,190 contacts → |
“DSI Security Services offers armed and unarmed uniformed security guard services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cambridge Security Services Corpcambridgesecurityservices.com HQ: Fort Lauderdale, FL, United StatesReported employees: 1,001-5,000 | Fort Lauderdale, FL, United States | 1,001-5,000 | Exact match | 346 contacts → |
“Cambridge Security Services is a private security company that has been in business for more than 30 years.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Iidon Security Associatesiidon.net HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 338 contacts → |
“iidon Security Associates provides premier security services catered to your company's needs.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | United American Security, LLC UASteamuas.com HQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 320 contacts → |
“United American Security was formed in 2010 to bring excellent regional security companies together.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cook Solutions Groupcooksolutionsgroup.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 308 contacts → |
“At Cook Solutions Group (CSG) we are all about service and fulfillment following one motto, “We Make it Happen!” Simple | Secure | Service | Solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sonitrolsonitrol.com HQ: Indianapolis, United StatesReported employees: 10001+ | Indianapolis, United States | 10001+ | Exact match | 302 contacts → |
“Sonitrol is the industry leader in verified electronic security and provides customers with a single source of integrated security solutions for intrusion, video, access and fire.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wittenbachwittenbach.com HQ: Sparks, MD, United StatesReported employees: 201-500 | Sparks, MD, United States | 201-500 | Exact match | 244 contacts → |
“For over 50 years, Wittenbach has been a trusted leader in advanced security solutions in financial and commercial industries.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Hirsch USAhirschsecure.com HQ: Santa Ana, CA, United StatesReported employees: 201-500 | Santa Ana, CA, United States | 201-500 | Exact match | 240 contacts → |
“Hirsch is a global leader in unified security solutions, helping enterprise and SMB organisations integrate perimeter security, intrusion detection, access control, video…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Datawatch Systemsdatawatchsystems.com HQ: Bethesda, MD, United StatesReported employees: 201-500 | Bethesda, MD, United States | 201-500 | Exact match | 206 contacts → |
“An industry leader in managed access control security solutions and services since 1981, Datawatch Systems is trusted by building owners, property managers, and tenants across the…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Strategic Security Corporationsscctu.com HQ: Smithtown, NY, United StatesReported employees: 1,001-5,000 | Smithtown, NY, United States | 1,001-5,000 | Exact match | 196 contacts → |
“Strategic Security Corp (SSC) is a nationwide leading provider of integrated security solutions specializing in security guard services, event security, consulting, executive…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Maxsentmaxsent.com HQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 186 contacts → |
“Privately held American owned company that provides professionally trained armed/unarmed security officers to the federal government, municipalities,commercial clients, utility…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Amag Technologyamag.com HQ: Hawthorne, CA, United StatesReported employees: 201-500 | Hawthorne, CA, United States | 201-500 | Exact match | 177 contacts → |
“AMAG Technology is a market leader in Physical Access Control, Identity Management and integrated security solutions.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TOP Guard Securitytopguardinc.com HQ: Norfolk, VA, United StatesReported employees: 501-1,000 | Norfolk, VA, United States | 501-1,000 | Exact match | 171 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Teachout Security Solutions, INCteachoutsecurity.com HQ: Flint, MI, United StatesReported employees: 501-1,000 | Flint, MI, United States | 501-1,000 | Exact match | 170 contacts → |
“Since 1981, Teachout Security Solutions has become well-known as industry-leading uniformed security services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Twin City Security, INCtwincitysecurity.com HQ: Denver, CO, United StatesReported employees: 501-1,000 | Denver, CO, United States | 501-1,000 | Exact match | 157 contacts → |
“Quality armed and unarmed security officer services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | VTI Securitypaladintechnologies.com HQ: Burnsville, MN, United StatesReported employees: 1,001-5,000 | Burnsville, MN, United States | 1,001-5,000 | Exact match | 143 contacts → |
“For almost 40 years, VTI has been called upon and recognized by our industry for a full range of advanced physical security technologies.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Pacific Securitypacsecurity.com HQ: Bellingham, WA, United StatesReported employees: 201-500 | Bellingham, WA, United States | 201-500 | Exact match | 139 contacts → |
“Pacific Security has delivered professional, responsive security services throughout Washington State since 1972.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nighthawk Security Companynighthawksecurityco.com HQ: Owensboro, KY, United StatesReported employees: 501-1,000 | Owensboro, KY, United States | 501-1,000 | Exact match | 129 contacts → |
“Nighthawk Security Company is a privately owned and operated company headquartered in western Kentucky.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Authentic8authentic8.com HQ: Redwood City, CA, United StatesReported employees: 51-200 | Redwood City, CA, United States | 51-200 | Exact match | 124 contacts → |
“Authentic8 helps intelligence and security teams investigate the digital world without exposing who they are, where they are, or what they are working on.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Giddens Security Corpgiddenssecurity.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 123 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Advanced Security Concepts INCaboutasc.com HQ: Van Nuys, CA, United StatesReported employees: 51-200 | Van Nuys, CA, United States | 51-200 | Exact match | 116 contacts → |
“Advanced Security Concepts, Inc (ASC), is a Los Angeles area security provider based in Van Nuys, CA.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Superior Protection Servicessuperiorprotect.com HQ: Commerce, CA, United StatesReported employees: 501-1,000 | Commerce, CA, United States | 501-1,000 | Exact match | 104 contacts → |
“Be part of the superior team” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Securitas USA South Regionsecuritasinc.com HQ: Kennesaw, GA, United StatesReported employees: 10001+ | Kennesaw, GA, United States | 10001+ | Exact match | 104 contacts → |
“Securitas is the leader in Protective Services.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Universal Atlantic Systemsuas.com HQ: Paoli, PA, United StatesReported employees: 51-200 | Paoli, PA, United States | 51-200 | Exact match | 103 contacts → |
“Headquartered in suburban Philadelphia, UAS is a national provider of integrated security services protecting over $15 billion in commercial assets for a wide variety of clients…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Terminal security companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
794 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for terminal security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many terminal security companies did RevenueBase find based in the United States?
The saved snapshot records 797 matching company records, 18,392 tracked contacts and 2,062 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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- Terminal security companies based in Italy
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Cite this list
RevenueBase Data Team. Top 25 terminal security companies based in the United States. Snapshot: September 6, 2026. https://revenuebase.ai/companies/terminal-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Terminal security companies based in Brazil
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