Company lists · Data refreshed September 2026
Top 25 Critical infrastructure protection services based in the United States
RevenueBase identified 1,803 company matches for critical infrastructure protection services associated with the United States as of September 2026 and tracks 28,564 professional contacts across them, including 6,973 with verified work emails. New York is the largest hub.
This list covers company matches for critical infrastructure protection services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 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 critical infrastructure protection services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,025 contacts → | ||||
Exact match “Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded in the RevenueBase company graph · Sep 19, 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 19, 2026 · View company records in RevenueBase | |||||
| 3 | 1,175 contacts → | ||||
Exact match “IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 1,151 contacts → | ||||
Exact match “SOS Security is a known innovator and leader in the security and protective services industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 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 19, 2026 · View company records in RevenueBase | |||||
| 6 | 875 contacts → | ||||
Exact match “ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 571 contacts → | ||||
Exact match “Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 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 19, 2026 · View company records in RevenueBase | |||||
| 9 | 467 contacts → | ||||
Exact match “AFIMAC Global: Trusted Crisis Management & Business Continuity Partner.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 447 contacts → | ||||
Exact match “At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 393 contacts → | ||||
Exact match “The impact of disasters-natural or otherwise-can leave even the most robust entities vulnerable, causing uncertainty over their future.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 336 contacts → | ||||
Exact match “CTEH, LLC's purpose is preparing for and responding to a company's or community’s worst day.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 282 contacts → | ||||
Exact match “Global Elite Group, headquartered in Garden City, NY, is a leading provider of security services worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 275 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 271 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 268 contacts → | ||||
Exact match “We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 251 contacts → | ||||
Exact match “Global Guardian's team of experienced subject matter experts build tailored security programs to mitigate risk and provide positive outcomes to a range of threats at home and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 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 19, 2026 · View company records in RevenueBase | |||||
| 19 | 234 contacts → | ||||
Exact match “Elite offers end-to-end security and risk solutions, including: Security consulting & risk assessments, unarmed and armed security officers, fire watch & FLSD support, off-duty…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 216 contacts → | ||||
Exact match “T&M USA provides seamlessly integrated executive protection, investigative and consulting services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 211 contacts → | ||||
Exact match “OPS Security Group specializes in providing comprehensive, professional security solutions to businesses, communities, and executives throughout Pennsylvania, New Jersey, New…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 190 contacts → | ||||
Exact match “Lindahl Reed empowers tomorrow by inspiring change and shaping a better future.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 164 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 159 contacts → | ||||
Exact match “Silverseal is a comprehensive security solutions firm with worldwide affiliations that can provide global security services in a highly professional manner.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 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 19, 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 “critical infrastructure protection 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 1,803 critical infrastructure protection services based in the United States
See the full list, filter by size, metro and specialty, and access 6,973 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure protection services based in the United States at a glance
As of Sep 19, 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 1,803 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 “critical infrastructure protection 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. 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 6,973 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 19, 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.
Critical infrastructure protection services 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 “critical infrastructure protection services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure protection services are there based in the United States?
RevenueBase identified 1,803 company matches for critical infrastructure protection services associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Crisis24 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical infrastructure protection services?
New York leads with 66 company records, followed by Houston (51) and Washington (47).
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 6,973 professional contacts with verified work emails tracked across these 1,803 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,803 critical infrastructure protection services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Critical infrastructure protection services by geography
- Critical infrastructure protection services based in Atlanta, United States
- Critical infrastructure protection services based in Houston, United States
- Critical infrastructure protection services based in Miami, United States
- Critical infrastructure protection services based in New York, United States
- Critical infrastructure protection services based in Washington, United States
- Critical infrastructure protection services based in Australia
- Critical infrastructure protection services based in Austria
- Critical infrastructure protection services based in Belgium
- Critical infrastructure protection services based in Brazil
- Critical infrastructure protection services based in Canada
- Critical infrastructure protection services based in Chile
- Critical infrastructure protection services based in Colombia
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
- Critical infrastructure protection services based in Atlanta, United States
- Critical infrastructure protection services based in Houston, United States
- Critical infrastructure protection services based in Miami, United States
- Critical infrastructure protection services based in New York, United States
- Critical infrastructure protection services based in Washington, United States
- Critical infrastructure protection services based in Australia
Company intelligence · public preview
Top 25 critical infrastructure protection services 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 1,803 matching company records for critical infrastructure protection services based in the United States, with 28,564 tracked contacts and 6,973 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 19, 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 critical infrastructure protection services 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 |  Crisis24crisis24.comHQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 2,025 contacts → |
“Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  IEMiem.comHQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,175 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  SOS Security LLCsossecurity.comHQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 1,151 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ABS Consultingabs-group.comHQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 875 contacts → |
“ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  MSA Securityaus.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 571 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Afimac Globalafimacglobal.comHQ: Strongsville, OH, United StatesReported employees: 51-200 | Strongsville, OH, United States | 51-200 | Exact match | 467 contacts → |
“AFIMAC Global: Trusted Crisis Management & Business Continuity Partner.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Xcelerate Solutionsxceleratesolutions.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 447 contacts → |
“At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Tidal Basin Grouptidalbasingroup.comHQ: Utica, NY, United StatesReported employees: 501-1,000 | Utica, NY, United States | 501-1,000 | Exact match | 393 contacts → |
“The impact of disasters-natural or otherwise-can leave even the most robust entities vulnerable, causing uncertainty over their future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CTEHcteh.comHQ: North Little Rock, AR, United StatesReported employees: 201-500 | North Little Rock, AR, United States | 201-500 | Exact match | 336 contacts → |
“CTEH, LLC's purpose is preparing for and responding to a company's or community’s worst day.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Global Elite Groupglobaleliteinc.comHQ: Garden City, NY, United StatesReported employees: 1,001-5,000 | Garden City, NY, United States | 1,001-5,000 | Exact match | 282 contacts → |
“Global Elite Group, headquartered in Garden City, NY, is a leading provider of security services worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Doyle Security Services, Inc. DSSdoylesecurityservices.comHQ: Rockville Centre, NY, United StatesReported employees: 1,001-5,000 | Rockville Centre, NY, United States | 1,001-5,000 | Exact match | 275 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  GSG Protective Servicesgsgprotective.comHQ: Lawndale, CA, United StatesReported employees: 501-1,000 | Lawndale, CA, United States | 501-1,000 | Exact match | 271 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Guidepost Solutionsguidepostsolutions.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 268 contacts → |
“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Global Guardianglobalguardian.comHQ: Mclean, VA, United StatesReported employees: 201-500 | Mclean, VA, United States | 201-500 | Exact match | 251 contacts → |
“Global Guardian's team of experienced subject matter experts build tailored security programs to mitigate risk and provide positive outcomes to a range of threats at home and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Elite Investigationseliteinvestigation.comHQ: Yonkers, NY, United StatesReported employees: 1,001-5,000 | Yonkers, NY, United States | 1,001-5,000 | Exact match | 234 contacts → |
“Elite offers end-to-end security and risk solutions, including: Security consulting & risk assessments, unarmed and armed security officers, fire watch & FLSD support, off-duty…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  T&m Usa, LLCtmusallc.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 216 contacts → |
“T&M USA provides seamlessly integrated executive protection, investigative and consulting services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | OPS Security Groupopssecuritygroup.com HQ: Conshohocken, PA, United StatesReported employees: 201-500 | Conshohocken, PA, United States | 201-500 | Exact match | 211 contacts → |
“OPS Security Group specializes in providing comprehensive, professional security solutions to businesses, communities, and executives throughout Pennsylvania, New Jersey, New…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Lindahl Reed INClindahlreed.comHQ: Bend, OR, United StatesReported employees: 201-500 | Bend, OR, United States | 201-500 | Exact match | 190 contacts → |
“Lindahl Reed empowers tomorrow by inspiring change and shaping a better future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Aegis Security & Investigations INCaegis.comHQ: Ca, United StatesReported employees: 201-500 | Ca, United States | 201-500 | Exact match | 164 contacts → |
“Checkout our latest articles at AEGIS Security & Investigations specializes in high end security, investigation, training and consulting solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Silversealsilverseal.netHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 159 contacts → |
“Silverseal is a comprehensive security solutions firm with worldwide affiliations that can provide global security services in a highly professional manner.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,803 company matches
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Critical infrastructure protection services: dataset insights
September 19, 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
1,801 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 1,803 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 19, 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 ↗
Critical infrastructure protection services by metro
Questions about this company list
What does Exact match mean for critical infrastructure protection 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 critical infrastructure protection services did RevenueBase find based in the United States?
The saved snapshot records 1,803 matching company records, 28,564 tracked contacts and 6,973 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 19, 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
Critical infrastructure protection services by geography
- Critical infrastructure protection services based in Atlanta, United States
- Critical infrastructure protection services based in Houston, United States
- Critical infrastructure protection services based in Miami, United States
- Critical infrastructure protection services based in New York, United States
- Critical infrastructure protection services based in Washington, United States
- Critical infrastructure protection services based in Australia
- Critical infrastructure protection services based in Austria
- Critical infrastructure protection services based in Belgium
- Critical infrastructure protection services based in Brazil
- Critical infrastructure protection services based in Canada
- Critical infrastructure protection services based in Chile
- Critical infrastructure protection services based in Colombia
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure protection services based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/critical-infrastructure-protection-services/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
- Critical infrastructure protection services based in Atlanta, United States
- Critical infrastructure protection services based in Houston, United States
- Critical infrastructure protection services based in Miami, United States
- Critical infrastructure protection services based in New York, United States
- Critical infrastructure protection services based in Washington, United States
- Critical infrastructure protection services based in Australia
Company intelligence · public preview
Top 25 critical infrastructure protection services based in the United States
RevenueBase records 1,803 matching company records for critical infrastructure protection services based in the United States, with 28,564 tracked contacts and 6,973 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 19, 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 critical infrastructure protection services 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 | Crisis24crisis24.com HQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 2,025 contacts → |
“Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | IEMiem.com HQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,175 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SOS Security LLCsossecurity.com HQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 1,151 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ABS Consultingabs-group.com HQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 875 contacts → |
“ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MSA Securityaus.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 571 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Afimac Globalafimacglobal.com HQ: Strongsville, OH, United StatesReported employees: 51-200 | Strongsville, OH, United States | 51-200 | Exact match | 467 contacts → |
“AFIMAC Global: Trusted Crisis Management & Business Continuity Partner.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Xcelerate Solutionsxceleratesolutions.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 447 contacts → |
“At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tidal Basin Grouptidalbasingroup.com HQ: Utica, NY, United StatesReported employees: 501-1,000 | Utica, NY, United States | 501-1,000 | Exact match | 393 contacts → |
“The impact of disasters-natural or otherwise-can leave even the most robust entities vulnerable, causing uncertainty over their future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CTEHcteh.com HQ: North Little Rock, AR, United StatesReported employees: 201-500 | North Little Rock, AR, United States | 201-500 | Exact match | 336 contacts → |
“CTEH, LLC's purpose is preparing for and responding to a company's or community’s worst day.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Global Elite Groupglobaleliteinc.com HQ: Garden City, NY, United StatesReported employees: 1,001-5,000 | Garden City, NY, United States | 1,001-5,000 | Exact match | 282 contacts → |
“Global Elite Group, headquartered in Garden City, NY, is a leading provider of security services worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Doyle Security Services, Inc. DSSdoylesecurityservices.com HQ: Rockville Centre, NY, United StatesReported employees: 1,001-5,000 | Rockville Centre, NY, United States | 1,001-5,000 | Exact match | 275 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GSG Protective Servicesgsgprotective.com HQ: Lawndale, CA, United StatesReported employees: 501-1,000 | Lawndale, CA, United States | 501-1,000 | Exact match | 271 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Guidepost Solutionsguidepostsolutions.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 268 contacts → |
“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Global Guardianglobalguardian.com HQ: Mclean, VA, United StatesReported employees: 201-500 | Mclean, VA, United States | 201-500 | Exact match | 251 contacts → |
“Global Guardian's team of experienced subject matter experts build tailored security programs to mitigate risk and provide positive outcomes to a range of threats at home and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Elite Investigationseliteinvestigation.com HQ: Yonkers, NY, United StatesReported employees: 1,001-5,000 | Yonkers, NY, United States | 1,001-5,000 | Exact match | 234 contacts → |
“Elite offers end-to-end security and risk solutions, including: Security consulting & risk assessments, unarmed and armed security officers, fire watch & FLSD support, off-duty…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | T&m Usa, LLCtmusallc.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 216 contacts → |
“T&M USA provides seamlessly integrated executive protection, investigative and consulting services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | OPS Security Groupopssecuritygroup.com HQ: Conshohocken, PA, United StatesReported employees: 201-500 | Conshohocken, PA, United States | 201-500 | Exact match | 211 contacts → |
“OPS Security Group specializes in providing comprehensive, professional security solutions to businesses, communities, and executives throughout Pennsylvania, New Jersey, New…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Lindahl Reed INClindahlreed.com HQ: Bend, OR, United StatesReported employees: 201-500 | Bend, OR, United States | 201-500 | Exact match | 190 contacts → |
“Lindahl Reed empowers tomorrow by inspiring change and shaping a better future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Aegis Security & Investigations INCaegis.com HQ: Ca, United StatesReported employees: 201-500 | Ca, United States | 201-500 | Exact match | 164 contacts → |
“Checkout our latest articles at AEGIS Security & Investigations specializes in high end security, investigation, training and consulting solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Silversealsilverseal.net HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 159 contacts → |
“Silverseal is a comprehensive security solutions firm with worldwide affiliations that can provide global security services in a highly professional manner.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,803 company matches
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Critical infrastructure protection services: dataset insights
September 19, 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
1,801 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 1,803 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 19, 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 ↗
Critical infrastructure protection services by metro
Questions about this company list
What does Exact match mean for critical infrastructure protection 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 critical infrastructure protection services did RevenueBase find based in the United States?
The saved snapshot records 1,803 matching company records, 28,564 tracked contacts and 6,973 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 19, 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
Critical infrastructure protection services by geography
- Critical infrastructure protection services based in Atlanta, United States
- Critical infrastructure protection services based in Houston, United States
- Critical infrastructure protection services based in Miami, United States
- Critical infrastructure protection services based in New York, United States
- Critical infrastructure protection services based in Washington, United States
- Critical infrastructure protection services based in Australia
- Critical infrastructure protection services based in Austria
- Critical infrastructure protection services based in Belgium
- Critical infrastructure protection services based in Brazil
- Critical infrastructure protection services based in Canada
- Critical infrastructure protection services based in Chile
- Critical infrastructure protection services based in Colombia
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure protection services based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/critical-infrastructure-protection-services/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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