Company lists · Data refreshed November 2026
Top 25 Workplace security training companies based in the United States
RevenueBase identified 1,324 company matches for workplace security training companies associated with the United States as of November 2026 and tracks 23,283 professional contacts across them, including 2,671 with verified work emails. New York is the largest hub.
This list covers company matches for workplace security training 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 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.
The 25 largest workplace security training companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,263 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 1,562 contacts → | ||||
Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 1,080 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 830 contacts → | ||||
Exact match “Bay Alarm is a family-owned national security company in operation since 1946.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 798 contacts → | ||||
Exact match “Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 562 contacts → | ||||
Exact match “Mulligan is a Manhattan-based provider of the finest security and fire safety professionals available.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 507 contacts → | ||||
Exact match “American Guard Services is an established, reliable and accredited security protection firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 357 contacts → | ||||
Exact match “Since 1909, American Red Cross Training Services has provided best-in-class safety training and certification that puts your needs first.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 292 contacts → | ||||
Exact match “GSG Protective Services is a full-service provider of quality security services specializing in 6 divisions: investigations, physical security, protective services, technology…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 287 contacts → | ||||
Exact match “Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 265 contacts → | ||||
Exact match “GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 224 contacts → | ||||
Exact match “As the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 175 contacts → | ||||
Exact match “Checkout our latest articles at AEGIS Security & Investigations specializes in high end security, investigation, training and consulting solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 174 contacts → | ||||
Exact match “Anderson Security is a 23 year old, locally women-owned (National Women's Business Enterprise Certification) and operated security company that provides security officers…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 152 contacts → | ||||
Exact match “Our goal is to create and maintain safe environments by providing threat analysis, protection, investigations, consulting, intelligence and security training services everywhere…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 144 contacts → | ||||
Exact match “Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 141 contacts → | ||||
Exact match “DECO, a subsidiary of IDS International, is a global provider of law enforcement and military training, static armed security, construction security monitoring, and a myriad of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 130 contacts → | ||||
Exact match “Security One, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 120 contacts → | ||||
Exact match “Excel Security Corp.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 120 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 120 contacts → | ||||
Exact match “MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 115 contacts → | ||||
Exact match “Covered 6 is a global security and training company that is based in Southern California.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 113 contacts → | ||||
Exact match “At IPS, we have a simple and powerful mission: to consistently deliver elite security services to meet the unique needs of each client, ensuring their safety and peace of mind.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 107 contacts → | ||||
Exact match “Welcome to the National Protection & Safety Consulting (NPSC).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 101 contacts → | ||||
Exact match “We provide customized security programs to Fortune 500s, healthcare, educational facilities, governments, small to local businesses and communities.” Recorded in the RevenueBase company graph · Nov 5, 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 “workplace security training 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 1,324 workplace security training companies based in the United States
See the full list, filter by size, metro and specialty, and access 2,671 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Workplace security training companies based in the United States at a glance
As of Nov 5, 2026Companies by employee count
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 1,324 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 “workplace security training 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 2,671 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.
Workplace security training companies by metro
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 “workplace security training companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many workplace security training companies are there based in the United States?
RevenueBase identified 1,324 company matches for workplace security training companies 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?
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 workplace security training companies?
New York leads with 30 company records, followed by Houston (29) and Los Angeles (21).
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 2,671 professional contacts with verified work emails tracked across these 1,324 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.
Ready to reach these companies? Verified emails and direct dials for all 1,324 workplace security training companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Workplace security training companies by geography
- Workplace security training companies based in Sao Paulo, Brazil
- Workplace security training companies based in London, United Kingdom
- Workplace security training companies based in Houston, United States
- Workplace security training companies based in New York, United States
- Workplace security training companies based in Australia
- Workplace security training companies based in Belgium
- Workplace security training companies based in Brazil
- Workplace security training companies based in Canada
- Workplace security training companies based in France
- Workplace security training companies based in Germany
- Workplace security training companies based in India
- Workplace security training companies based in Ireland
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
- Workplace security training companies based in Sao Paulo, Brazil
- Workplace security training companies based in London, United Kingdom
- Workplace security training companies based in Houston, United States
- Workplace security training companies based in New York, United States
- Workplace security training companies based in Australia
- Workplace security training companies based in Belgium
Company intelligence · public preview
Top 25 workplace security training 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 1,324 matching company records for workplace security training companies based in the United States, with 23,283 tracked contacts and 2,671 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: November 5, 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 workplace security training 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, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Guardsmarkguardsmark.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,562 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Brosnan Risk Consultantsbrosnanrisk.comHQ: Pearl River, CA, United StatesReported employees: 5,001-10,000 | Pearl River, CA, United States | 5,001-10,000 | Exact match | 1,080 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  BAY Alarm Companybayalarm.comHQ: Concord, CA, United StatesReported employees: 1,001-5,000 | Concord, CA, United States | 1,001-5,000 | Exact match | 830 contacts → |
“Bay Alarm is a family-owned national security company in operation since 1946.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Akal Securityakalsecurity.comHQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 798 contacts → |
“Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mulligan Securitymulligansecurity.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 562 contacts → |
“Mulligan is a Manhattan-based provider of the finest security and fire safety professionals available.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  American Guard Services, INCamericanguardservices.comHQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 507 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  American RED Cross Training Servicesredcross.orgHQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 357 contacts → |
“Since 1909, American Red Cross Training Services has provided best-in-class safety training and certification that puts your needs first.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  GSG Protective Servicesgsgprotective.comHQ: Lawndale, CA, United StatesReported employees: 501-1,000 | Lawndale, CA, United States | 501-1,000 | Exact match | 292 contacts → |
“GSG Protective Services is a full-service provider of quality security services specializing in 6 divisions: investigations, physical security, protective services, technology…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Doyle Security Services, Inc. DSSdoylesecurityservices.comHQ: Rockville Centre, NJ, United StatesReported employees: 1,001-5,000 | Rockville Centre, NJ, United States | 1,001-5,000 | Exact match | 287 contacts → |
“Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Guardtexas, INCguardtexas.comHQ: Richardson, TX, United StatesReported employees: 501-1,000 | Richardson, TX, United States | 501-1,000 | Exact match | 265 contacts → |
“GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Acts-Aviation Securityacts-sec.comHQ: Des Plaines, FL, United StatesReported employees: 1,001-5,000 | Des Plaines, FL, United States | 1,001-5,000 | Exact match | 224 contacts → |
“As the U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Aegis Security & Investigations INCaegis.comHQ: Ca, United StatesReported employees: 201-500 | Ca, United States | 201-500 | Exact match | 175 contacts → |
“Checkout our latest articles at AEGIS Security & Investigations specializes in high end security, investigation, training and consulting solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Anderson Security Agencyandersonsecurity.comHQ: Phoenix, AZ, United StatesReported employees: 201-500 | Phoenix, AZ, United States | 201-500 | Exact match | 174 contacts → |
“Anderson Security is a 23 year old, locally women-owned (National Women's Business Enterprise Certification) and operated security company that provides security officers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  At-Risk International, INCat-riskinternational.comHQ: Reston, VA, United StatesReported employees: 51-200 | Reston, VA, United States | 51-200 | Exact match | 152 contacts → |
“Our goal is to create and maintain safe environments by providing threat analysis, protection, investigations, consulting, intelligence and security training services everywhere…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  American Securitytrustamericansecurity.comHQ: Greenville, SC, United StatesReported employees: 1,001-5,000 | Greenville, SC, United States | 1,001-5,000 | Exact match | 144 contacts → |
“Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  DECOidsinternational.comHQ: Arlington, VA, United StatesReported employees: 1,001-5,000 | Arlington, VA, United States | 1,001-5,000 | Exact match | 141 contacts → |
“DECO, a subsidiary of IDS International, is a global provider of law enforcement and military training, static armed security, construction security monitoring, and a myriad of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Security ONEsoisecurity.comHQ: Memphis, TN, United StatesReported employees: 501-1,000 | Memphis, TN, United States | 501-1,000 | Exact match | 130 contacts → |
“Security One, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Excel Security Corporationexcelsecurity.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 120 contacts → |
“Excel Security Corp.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Advanced Security Concepts INCaboutasc.comHQ: Van Nuys, CA, United StatesReported employees: 51-200 | Van Nuys, CA, United States | 51-200 | Exact match | 120 contacts → |
“Advanced Security Concepts, Inc (ASC), is a Los Angeles area security provider based in Van Nuys, CA.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  MPS Security & Protectionsecurity-mps.comHQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 120 contacts → |
“MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Covered 6covered6.comHQ: Moorpark, CA, United StatesReported employees: 51-200 | Moorpark, CA, United States | 51-200 | Exact match | 115 contacts → |
“Covered 6 is a global security and training company that is based in Southern California.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  International Proactive Security INCipshospitality.comHQ: Paramus, NJ, United StatesReported employees: 501-1,000 | Paramus, NJ, United States | 501-1,000 | Exact match | 113 contacts → |
“At IPS, we have a simple and powerful mission: to consistently deliver elite security services to meet the unique needs of each client, ensuring their safety and peace of mind.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  NPSCnpsc.usHQ: San Jaun Capistrano, CA, United StatesReported employees: Not recorded | San Jaun Capistrano, CA, United States | Not recorded | Exact match | 107 contacts → |
“Welcome to the National Protection & Safety Consulting (NPSC).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  American Security Groupteamasg.comHQ: Richmond, VA, United StatesReported employees: 201-500 | Richmond, VA, United States | 201-500 | Exact match | 101 contacts → |
“We provide customized security programs to Fortune 500s, healthcare, educational facilities, governments, small to local businesses and communities.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,324 company matches
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Workplace security training companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,322 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,324 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: November 5, 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 ↗
Workplace security training companies by metro
Questions about this company list
What does Exact match mean for workplace security training 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 workplace security training companies did RevenueBase find based in the United States?
The saved snapshot records 1,324 matching company records, 23,283 tracked contacts and 2,671 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: November 5, 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
Workplace security training companies by geography
- Workplace security training companies based in Sao Paulo, Brazil
- Workplace security training companies based in London, United Kingdom
- Workplace security training companies based in Houston, United States
- Workplace security training companies based in New York, United States
- Workplace security training companies based in Australia
- Workplace security training companies based in Belgium
- Workplace security training companies based in Brazil
- Workplace security training companies based in Canada
- Workplace security training companies based in France
- Workplace security training companies based in Germany
- Workplace security training companies based in India
- Workplace security training companies based in Ireland
Cite this list
RevenueBase Data Team. Top 25 workplace security training companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/workplace-security-training-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
- Workplace security training companies based in Sao Paulo, Brazil
- Workplace security training companies based in London, United Kingdom
- Workplace security training companies based in Houston, United States
- Workplace security training companies based in New York, United States
- Workplace security training companies based in Australia
- Workplace security training companies based in Belgium
Company intelligence · public preview
Top 25 workplace security training companies based in the United States
RevenueBase records 1,324 matching company records for workplace security training companies based in the United States, with 23,283 tracked contacts and 2,671 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: November 5, 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 workplace security training 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, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Guardsmarkguardsmark.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,562 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Brosnan Risk Consultantsbrosnanrisk.com HQ: Pearl River, CA, United StatesReported employees: 5,001-10,000 | Pearl River, CA, United States | 5,001-10,000 | Exact match | 1,080 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | BAY Alarm Companybayalarm.com HQ: Concord, CA, United StatesReported employees: 1,001-5,000 | Concord, CA, United States | 1,001-5,000 | Exact match | 830 contacts → |
“Bay Alarm is a family-owned national security company in operation since 1946.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Akal Securityakalsecurity.com HQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 798 contacts → |
“Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mulligan Securitymulligansecurity.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 562 contacts → |
“Mulligan is a Manhattan-based provider of the finest security and fire safety professionals available.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | American Guard Services, INCamericanguardservices.com HQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 507 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | American RED Cross Training Servicesredcross.org HQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 357 contacts → |
“Since 1909, American Red Cross Training Services has provided best-in-class safety training and certification that puts your needs first.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | GSG Protective Servicesgsgprotective.com HQ: Lawndale, CA, United StatesReported employees: 501-1,000 | Lawndale, CA, United States | 501-1,000 | Exact match | 292 contacts → |
“GSG Protective Services is a full-service provider of quality security services specializing in 6 divisions: investigations, physical security, protective services, technology…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Doyle Security Services, Inc. DSSdoylesecurityservices.com HQ: Rockville Centre, NJ, United StatesReported employees: 1,001-5,000 | Rockville Centre, NJ, United States | 1,001-5,000 | Exact match | 287 contacts → |
“Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Guardtexas, INCguardtexas.com HQ: Richardson, TX, United StatesReported employees: 501-1,000 | Richardson, TX, United States | 501-1,000 | Exact match | 265 contacts → |
“GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Acts-Aviation Securityacts-sec.com HQ: Des Plaines, FL, United StatesReported employees: 1,001-5,000 | Des Plaines, FL, United States | 1,001-5,000 | Exact match | 224 contacts → |
“As the U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Aegis Security & Investigations INCaegis.com HQ: Ca, United StatesReported employees: 201-500 | Ca, United States | 201-500 | Exact match | 175 contacts → |
“Checkout our latest articles at AEGIS Security & Investigations specializes in high end security, investigation, training and consulting solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Anderson Security Agencyandersonsecurity.com HQ: Phoenix, AZ, United StatesReported employees: 201-500 | Phoenix, AZ, United States | 201-500 | Exact match | 174 contacts → |
“Anderson Security is a 23 year old, locally women-owned (National Women's Business Enterprise Certification) and operated security company that provides security officers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | At-Risk International, INCat-riskinternational.com HQ: Reston, VA, United StatesReported employees: 51-200 | Reston, VA, United States | 51-200 | Exact match | 152 contacts → |
“Our goal is to create and maintain safe environments by providing threat analysis, protection, investigations, consulting, intelligence and security training services everywhere…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | American Securitytrustamericansecurity.com HQ: Greenville, SC, United StatesReported employees: 1,001-5,000 | Greenville, SC, United States | 1,001-5,000 | Exact match | 144 contacts → |
“Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | DECOidsinternational.com HQ: Arlington, VA, United StatesReported employees: 1,001-5,000 | Arlington, VA, United States | 1,001-5,000 | Exact match | 141 contacts → |
“DECO, a subsidiary of IDS International, is a global provider of law enforcement and military training, static armed security, construction security monitoring, and a myriad of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Security ONEsoisecurity.com HQ: Memphis, TN, United StatesReported employees: 501-1,000 | Memphis, TN, United States | 501-1,000 | Exact match | 130 contacts → |
“Security One, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Excel Security Corporationexcelsecurity.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 120 contacts → |
“Excel Security Corp.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Advanced Security Concepts INCaboutasc.com HQ: Van Nuys, CA, United StatesReported employees: 51-200 | Van Nuys, CA, United States | 51-200 | Exact match | 120 contacts → |
“Advanced Security Concepts, Inc (ASC), is a Los Angeles area security provider based in Van Nuys, CA.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | MPS Security & Protectionsecurity-mps.com HQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 120 contacts → |
“MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Covered 6covered6.com HQ: Moorpark, CA, United StatesReported employees: 51-200 | Moorpark, CA, United States | 51-200 | Exact match | 115 contacts → |
“Covered 6 is a global security and training company that is based in Southern California.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | International Proactive Security INCipshospitality.com HQ: Paramus, NJ, United StatesReported employees: 501-1,000 | Paramus, NJ, United States | 501-1,000 | Exact match | 113 contacts → |
“At IPS, we have a simple and powerful mission: to consistently deliver elite security services to meet the unique needs of each client, ensuring their safety and peace of mind.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | NPSCnpsc.us HQ: San Jaun Capistrano, CA, United StatesReported employees: Not recorded | San Jaun Capistrano, CA, United States | Not recorded | Exact match | 107 contacts → |
“Welcome to the National Protection & Safety Consulting (NPSC).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | American Security Groupteamasg.com HQ: Richmond, VA, United StatesReported employees: 201-500 | Richmond, VA, United States | 201-500 | Exact match | 101 contacts → |
“We provide customized security programs to Fortune 500s, healthcare, educational facilities, governments, small to local businesses and communities.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,324 company matches
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Workplace security training companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,322 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,324 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: November 5, 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 ↗
Workplace security training companies by metro
Questions about this company list
What does Exact match mean for workplace security training 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 workplace security training companies did RevenueBase find based in the United States?
The saved snapshot records 1,324 matching company records, 23,283 tracked contacts and 2,671 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: November 5, 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
Workplace security training companies by geography
- Workplace security training companies based in Sao Paulo, Brazil
- Workplace security training companies based in London, United Kingdom
- Workplace security training companies based in Houston, United States
- Workplace security training companies based in New York, United States
- Workplace security training companies based in Australia
- Workplace security training companies based in Belgium
- Workplace security training companies based in Brazil
- Workplace security training companies based in Canada
- Workplace security training companies based in France
- Workplace security training companies based in Germany
- Workplace security training companies based in India
- Workplace security training companies based in Ireland
Cite this list
RevenueBase Data Team. Top 25 workplace security training companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/workplace-security-training-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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- Workplace security training companies based in Sao Paulo, Brazil
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- Workplace security training companies based in Houston, United States
- Workplace security training companies based in New York, United States
- Workplace security training companies based in Australia
- Workplace security training companies based in Belgium