Company lists · Data refreshed September 2026
Top 25 Physical security assessment services worldwide
RevenueBase identified 1,236 company matches for physical security assessment services worldwide as of September 2026 and tracks 26,870 professional contacts across them, including 2,284 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for physical security assessment services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for physical security assessment services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest physical security assessment services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,771 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 1,949 contacts → | ||||
Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 1,050 contacts → | ||||
Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 792 contacts → | ||||
Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 553 contacts → | ||||
Exact match “Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 250 contacts → | ||||
Exact match “Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 165 contacts → | ||||
Exact match “Security Guard and Technology Services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 151 contacts → | ||||
Exact match “Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 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 29, 2026 · View company records in RevenueBase | |||||
| 10 | 127 contacts → | ||||
Exact match “Inspirar confiança é a meta que guia todas as nossas ações.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 115 contacts → | ||||
Exact match “La seguridad es nuestra vocación y donde dedicamos todos nuestros esfuerzos, es por eso que nuestro portafolio ofrece una gran variedad de servicio con el fin de satisfacer las…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 113 contacts → | ||||
Exact match “Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 107 contacts → | ||||
Exact match “IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 103 contacts → | ||||
Exact match “Communications Resource, Inc.(CRI) is a minority and Woman-Owned Small Business with over 30 years of focused security performance supporting over 40 government and commercial…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 94 contacts → | ||||
Exact match “Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 91 contacts → | ||||
Exact match “SRG Security Resource Group Inc is a physical & cyber security company based in Regina, Saskatchewan.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 91 contacts → | ||||
Exact match “Windwalker is an award-winning small business with over 25 years of experience delivering cutting-edge security, IT, and training solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 86 contacts → | ||||
Exact match “Infoziant IT Solutions Inc is a Hall of Fame Information Security company, recognized by industry giants like Apple, Microsoft, Google, United Nations, Australian Govt, Dutch…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 82 contacts → | ||||
Exact match “National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 73 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 70 contacts → | ||||
Exact match “At GLOBAL OPS, we specialize in creating and implementing tailored security solutions that cater to the unique needs of our diverse clientele.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 70 contacts → | ||||
Exact match “Engenharia de Segurança O Grupo Global Segurança foi fundado em 1985, e é actualmente um dos mais antigos na actividade da segurança.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 68 contacts → | ||||
Exact match “Protection and Resiliency 24.7.365 Elite Contracting Group is a full-service security and resiliency solution integrator.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 58 contacts → | ||||
Exact match “In today’s advanced, interconnected world, protecting the infrastructure that allows society to function is crucial.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 55 contacts → | ||||
Exact match “Integrated Security Solutions, Inc.(ISS) is a Veteran-Owned Small Business (VOSB) and a GSA Schedules Contractor specializing in designing, value engineering, procuring…” Recorded in the RevenueBase company graph · Sep 29, 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 “physical security assessment services”. 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 1,236 physical security assessment services worldwide
See the full list, filter by size, metro and specialty, and access 2,284 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Physical security assessment services worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for physical security assessment services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “physical security assessment services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 2,284 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 29, 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.
Physical security assessment services by location
4 lists · largest firstEvery Physical security assessment services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “physical security assessment services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many physical security assessment services are there worldwide?
RevenueBase identified 1,236 company matches for physical security assessment services worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Private Sector tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most physical security assessment services?
The United States leads with 454 companies, followed by the United Kingdom (73) and Canada (51). Every physical security assessment services list by country and city is linked on this page.
Which city has the most physical security assessment services?
London leads with 24 company records, followed by Toronto (16) and Sydney (13).
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 2,284 professional contacts with verified work emails tracked across these 1,236 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,236 physical security assessment services worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 physical security assessment services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,236 matching company records for physical security assessment services worldwide, with 26,870 tracked contacts and 2,284 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 29, 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 physical security assessment services worldwide
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 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 12,771 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  Paragon Systems INCparasys.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,949 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Brosnan Risk Consultantsbrosnanrisk.comHQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,050 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Securitas Norgesecuritas.noHQ: Oslo, NorwayReported employees: 5,001-10,000 | Oslo, Norway | 5,001-10,000 | Exact match | 792 contacts → |
“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Security Alliancesecurityalliancegroup.comHQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 553 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Orion Security Solutionsorionsecuritysolutions.comHQ: Edmond, OK, United StatesReported employees: 51-200 | Edmond, OK, United States | 51-200 | Exact match | 250 contacts → |
“Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Aegis Protective Servicesaegis-ps.comHQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 165 contacts → |
“Security Guard and Technology Services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Coastal International Security, INCcoastalgs.comHQ: Espanola, NM, United StatesReported employees: 201-500 | Espanola, NM, United States | 201-500 | Exact match | 151 contacts → |
“Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Under Protectionunderprotection.com.brHQ: Pinhais - Alphaville, BrazilReported employees: 51-200 | Pinhais - Alphaville, Brazil | 51-200 | Exact match | 127 contacts → |
“Inspirar confiança é a meta que guia todas as nossas ações.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gruspa Seguridadgruspa.com.arHQ: Villa Devoto, ArgentinaReported employees: 501-1,000 | Villa Devoto, Argentina | 501-1,000 | Exact match | 115 contacts → |
“La seguridad es nuestra vocación y donde dedicamos todos nuestros esfuerzos, es por eso que nuestro portafolio ofrece una gran variedad de servicio con el fin de satisfacer las…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Strategic Securitystrategicsec.comHQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 113 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ioactive, INCioactive.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 107 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  CRIcri-solutions.comHQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 103 contacts → |
“Communications Resource, Inc.(CRI) is a minority and Woman-Owned Small Business with over 30 years of focused security performance supporting over 40 government and commercial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Bastion Security Groupbastionsecurity.co.nzHQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 94 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  SRG Security Resource Group INCsecurityresourcegroup.comHQ: Regina, SK, CanadaReported employees: 501-1,000 | Regina, SK, Canada | 501-1,000 | Exact match | 91 contacts → |
“SRG Security Resource Group Inc is a physical & cyber security company based in Regina, Saskatchewan.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Windwalker Groupwindwalker.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 91 contacts → |
“Windwalker is an award-winning small business with over 25 years of experience delivering cutting-edge security, IT, and training solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Infoziantinfoziant.comHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 86 contacts → |
“Infoziant IT Solutions Inc is a Hall of Fame Information Security company, recognized by industry giants like Apple, Microsoft, Google, United Nations, Australian Govt, Dutch…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  National Protective Servicesnationalprotectiveservices.com.auHQ: South Melbourne, AustraliaReported employees: 1,001-5,000 | South Melbourne, Australia | 1,001-5,000 | Exact match | 82 contacts → |
“National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Am-Gard, INCam-gard.comHQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 73 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Global OPSglobalops.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 70 contacts → |
“At GLOBAL OPS, we specialize in creating and implementing tailored security solutions that cater to the unique needs of our diverse clientele.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Global Segurançaglobal-seguranca.ptHQ: Carnaxide, PortugalReported employees: 11-50 | Carnaxide, Portugal | 11-50 | Exact match | 70 contacts → |
“Engenharia de Segurança O Grupo Global Segurança foi fundado em 1985, e é actualmente um dos mais antigos na actividade da segurança.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Elite Contracting Groupelitecontractinggroup.com HQ: Petersburg, VA, United StatesReported employees: 51-200 | Petersburg, VA, United States | 51-200 | Exact match | 68 contacts → |
“Protection and Resiliency 24.7.365 Elite Contracting Group is a full-service security and resiliency solution integrator.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SQR Group Security Solutions LTDsqrgroup.com HQ: Barnet, United KingdomReported employees: 501-1,000 | Barnet, United Kingdom | 501-1,000 | Exact match | 58 contacts → |
“In today’s advanced, interconnected world, protecting the infrastructure that allows society to function is crucial.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Integrated Security Solutions, INCmtiss.com HQ: Kalispell, MT, United StatesReported employees: 51-200 | Kalispell, MT, United States | 51-200 | Exact match | 55 contacts → |
“Integrated Security Solutions, Inc.(ISS) is a Veteran-Owned Small Business (VOSB) and a GSA Schedules Contractor specializing in designing, value engineering, procuring…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,236 company matches
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Physical security assessment services: dataset insights
September 29, 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
1,234 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,236 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: September 29, 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 ↗
Physical security assessment services by location
4 lists · largest firstEvery Physical security assessment services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for physical security assessment services?
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 physical security assessment services did RevenueBase find worldwide?
The saved snapshot records 1,236 matching company records, 26,870 tracked contacts and 2,284 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 29, 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
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Cite this list
RevenueBase Data Team. Top 25 physical security assessment services worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/physical-security-assessment-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 physical security assessment services worldwide
RevenueBase records 1,236 matching company records for physical security assessment services worldwide, with 26,870 tracked contacts and 2,284 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 29, 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 physical security assessment services worldwide
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 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 12,771 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Paragon Systems INCparasys.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,949 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Brosnan Risk Consultantsbrosnanrisk.com HQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,050 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Securitas Norgesecuritas.no HQ: Oslo, NorwayReported employees: 5,001-10,000 | Oslo, Norway | 5,001-10,000 | Exact match | 792 contacts → |
“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Security Alliancesecurityalliancegroup.com HQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 553 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Orion Security Solutionsorionsecuritysolutions.com HQ: Edmond, OK, United StatesReported employees: 51-200 | Edmond, OK, United States | 51-200 | Exact match | 250 contacts → |
“Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Aegis Protective Servicesaegis-ps.com HQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 165 contacts → |
“Security Guard and Technology Services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Coastal International Security, INCcoastalgs.com HQ: Espanola, NM, United StatesReported employees: 201-500 | Espanola, NM, United States | 201-500 | Exact match | 151 contacts → |
“Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Under Protectionunderprotection.com.br HQ: Pinhais - Alphaville, BrazilReported employees: 51-200 | Pinhais - Alphaville, Brazil | 51-200 | Exact match | 127 contacts → |
“Inspirar confiança é a meta que guia todas as nossas ações.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gruspa Seguridadgruspa.com.ar HQ: Villa Devoto, ArgentinaReported employees: 501-1,000 | Villa Devoto, Argentina | 501-1,000 | Exact match | 115 contacts → |
“La seguridad es nuestra vocación y donde dedicamos todos nuestros esfuerzos, es por eso que nuestro portafolio ofrece una gran variedad de servicio con el fin de satisfacer las…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Strategic Securitystrategicsec.com HQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 113 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ioactive, INCioactive.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 107 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | CRIcri-solutions.com HQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 103 contacts → |
“Communications Resource, Inc.(CRI) is a minority and Woman-Owned Small Business with over 30 years of focused security performance supporting over 40 government and commercial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bastion Security Groupbastionsecurity.co.nz HQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 94 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SRG Security Resource Group INCsecurityresourcegroup.com HQ: Regina, SK, CanadaReported employees: 501-1,000 | Regina, SK, Canada | 501-1,000 | Exact match | 91 contacts → |
“SRG Security Resource Group Inc is a physical & cyber security company based in Regina, Saskatchewan.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Windwalker Groupwindwalker.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 91 contacts → |
“Windwalker is an award-winning small business with over 25 years of experience delivering cutting-edge security, IT, and training solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Infoziantinfoziant.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 86 contacts → |
“Infoziant IT Solutions Inc is a Hall of Fame Information Security company, recognized by industry giants like Apple, Microsoft, Google, United Nations, Australian Govt, Dutch…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | National Protective Servicesnationalprotectiveservices.com.au HQ: South Melbourne, AustraliaReported employees: 1,001-5,000 | South Melbourne, Australia | 1,001-5,000 | Exact match | 82 contacts → |
“National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Am-Gard, INCam-gard.com HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 73 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Global OPSglobalops.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 70 contacts → |
“At GLOBAL OPS, we specialize in creating and implementing tailored security solutions that cater to the unique needs of our diverse clientele.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Global Segurançaglobal-seguranca.pt HQ: Carnaxide, PortugalReported employees: 11-50 | Carnaxide, Portugal | 11-50 | Exact match | 70 contacts → |
“Engenharia de Segurança O Grupo Global Segurança foi fundado em 1985, e é actualmente um dos mais antigos na actividade da segurança.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Elite Contracting Groupelitecontractinggroup.com HQ: Petersburg, VA, United StatesReported employees: 51-200 | Petersburg, VA, United States | 51-200 | Exact match | 68 contacts → |
“Protection and Resiliency 24.7.365 Elite Contracting Group is a full-service security and resiliency solution integrator.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SQR Group Security Solutions LTDsqrgroup.com HQ: Barnet, United KingdomReported employees: 501-1,000 | Barnet, United Kingdom | 501-1,000 | Exact match | 58 contacts → |
“In today’s advanced, interconnected world, protecting the infrastructure that allows society to function is crucial.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Integrated Security Solutions, INCmtiss.com HQ: Kalispell, MT, United StatesReported employees: 51-200 | Kalispell, MT, United States | 51-200 | Exact match | 55 contacts → |
“Integrated Security Solutions, Inc.(ISS) is a Veteran-Owned Small Business (VOSB) and a GSA Schedules Contractor specializing in designing, value engineering, procuring…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,236 company matches
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Physical security assessment services: dataset insights
September 29, 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
1,234 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,236 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: September 29, 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 ↗
Physical security assessment services by location
4 lists · largest firstEvery Physical security assessment services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for physical security assessment services?
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 physical security assessment services did RevenueBase find worldwide?
The saved snapshot records 1,236 matching company records, 26,870 tracked contacts and 2,284 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 29, 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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Cite this list
RevenueBase Data Team. Top 25 physical security assessment services worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/physical-security-assessment-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗