Company lists · Data refreshed September 2026
Top 25 Homeland security consultants worldwide
RevenueBase identified 3,244 company matches for homeland security consultants worldwide as of September 2026 and tracks 37,021 professional contacts across them, including 7,926 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for homeland security consultants 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 28, 2026. Country and city lists for homeland security consultants 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 homeland security consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 28, 2026 · View company records in RevenueBase | |||||
| 2 | 1,655 contacts → | ||||
Exact match “Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 1,374 contacts → | ||||
Exact match “First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 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 28, 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 28, 2026 · View company records in RevenueBase | |||||
| 6 | 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 28, 2026 · View company records in RevenueBase | |||||
| 7 | 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 28, 2026 · View company records in RevenueBase | |||||
| 8 | 467 contacts → | ||||
Exact match “AFIMAC Global: Trusted Crisis Management & Business Continuity Partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 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 28, 2026 · View company records in RevenueBase | |||||
| 10 | 304 contacts → | ||||
Exact match “Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 271 contacts → | ||||
Exact match “WBB (now a part of Serco) is a leading government and public sector solutions provider, dedicated to the enduring success of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 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 28, 2026 · View company records in RevenueBase | |||||
| 13 | 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 28, 2026 · View company records in RevenueBase | |||||
| 14 | 247 contacts → | ||||
Exact match “Netrika Consulting India stands as a preeminent global leader in emerging and frontier markets, providing unparalleled integrity management and risk mitigation services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 225 contacts → | ||||
Exact match “Mason & Hanger, a Day & Zimmermann Company, is dedicated to providing architectural and engineering (A/E) services, specializing in worldwide design of secure, mission-driven…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 207 contacts → | ||||
Exact match “Internationally recognised, Hart delivers innovative, integrated security solutions in complex markets, providing services to private, public and NGO sectors with exceptional…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 205 contacts → | ||||
Exact match “SoBran, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 202 contacts → | ||||
Exact match “Strategic Analysis Inc.(SA) is an industry-leading government professional services firm that excels in providing innovative solutions to the problems of today and tomorrow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 201 contacts → | ||||
Exact match “A EnvironPact Sustentabilidade e Resiliência é parte da OceanPact, uma companhia 100% brasileira que desenvolve e implanta soluções seguras, eficientes e inovadoras nas áreas de…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 191 contacts → | ||||
Exact match “MELE Associates, Inc.(MELE) has been delivering outstanding service and support to federal, local, and state government agencies and commercial customers for more than three…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 179 contacts → | ||||
Exact match “Signature Science's consultants serve government and commercial clients through a wide array of technical offerings.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 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 28, 2026 · View company records in RevenueBase | |||||
| 23 | 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 28, 2026 · View company records in RevenueBase | |||||
| 24 | 149 contacts → | ||||
Exact match “Faith Group LLC was established in 2004 as a full-service women-owned consulting and engineering firm specializing in the planning and design of security, IT, audiovisual, safety…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 148 contacts → | ||||
Exact match “AC Disaster Consulting offers emergency management advisory and consulting services for private entities; non-profit organizations; and federal, state, local, and tribal…” Recorded in the RevenueBase company graph · Sep 28, 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 “homeland security consultants”. 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 3,244 homeland security consultants worldwide
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Homeland security consultants worldwide at a glance
As of Sep 28, 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 homeland security consultants are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “homeland security consultants” 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 7,926 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 28, 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.
Homeland security consultants by location
16 lists · largest firstEvery Homeland security consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Homeland security consultants based in the United States1,236
- Homeland security consultants based in the United Kingdom175
- Homeland security consultants based in France125
- Homeland security consultants based in Australia104
- Homeland security consultants based in Canada104
- Homeland security consultants based in Brazil79
- Homeland security consultants based in Germany58
- Homeland security consultants based in India45
- Homeland security consultants based in Sweden37
- Homeland security consultants based in the Netherlands36
- Homeland security consultants based in Switzerland34
- Homeland security consultants based in Israel32
Cities
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 “homeland security consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many homeland security consultants are there worldwide?
RevenueBase identified 3,244 company matches for homeland security consultants 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?
Paragon Systems INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most homeland security consultants?
The United States leads with 1,236 companies, followed by the United Kingdom (175) and France (125). Every homeland security consultants list by country and city is linked on this page.
Which city has the most homeland security consultants?
London leads with 60 company records, followed by Washington (50) and New York (32).
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 7,926 professional contacts with verified work emails tracked across these 3,244 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,244 homeland security consultants 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 homeland security consultants worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,244 matching company records for homeland security consultants worldwide, with 37,021 tracked contacts and 7,926 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 28, 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 homeland security consultants 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 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Jensen Hughesjensenhughes.comHQ: Columbia, MD, United StatesReported employees: 1,001-5,000 | Columbia, MD, United States | 1,001-5,000 | Exact match | 1,655 contacts → |
“Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  First Security Group LLCfirstsg.comHQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 1,374 contacts → |
“First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 28, 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Grupo Liberdadegrupoliberdade.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 304 contacts → |
“Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Whitney, Bradley & Brown WBBwbbinc.comHQ: Reston, VA, United StatesReported employees: 501-1,000 | Reston, VA, United States | 501-1,000 | Exact match | 271 contacts → |
“WBB (now a part of Serco) is a leading government and public sector solutions provider, dedicated to the enduring success of our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Netrika Consulting India PVT LTDnetrika.comHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 247 contacts → |
“Netrika Consulting India stands as a preeminent global leader in emerging and frontier markets, providing unparalleled integrity management and risk mitigation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mason & Hangermasonandhanger.comHQ: Lexington, KY, United StatesReported employees: 201-500 | Lexington, KY, United States | 201-500 | Exact match | 225 contacts → |
“Mason & Hanger, a Day & Zimmermann Company, is dedicated to providing architectural and engineering (A/E) services, specializing in worldwide design of secure, mission-driven…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hart Securityhartinternational.comHQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 207 contacts → |
“Internationally recognised, Hart delivers innovative, integrated security solutions in complex markets, providing services to private, public and NGO sectors with exceptional…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sobran-Incsobran-inc.comHQ: Falls Church, VA, United StatesReported employees: 201-500 | Falls Church, VA, United States | 201-500 | Exact match | 205 contacts → |
“SoBran, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Strategic Analysis Incorporatedsainc.comHQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 202 contacts → |
“Strategic Analysis Inc.(SA) is an industry-leading government professional services firm that excels in providing innovative solutions to the problems of today and tomorrow.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Environpact Sustentabilidade E Resiliênciaenvironpact.comHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 201 contacts → |
“A EnvironPact Sustentabilidade e Resiliência é parte da OceanPact, uma companhia 100% brasileira que desenvolve e implanta soluções seguras, eficientes e inovadoras nas áreas de…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Mele Associates, INCmeleassociates.comHQ: Rockville, MD, United StatesReported employees: 201-500 | Rockville, MD, United States | 201-500 | Exact match | 191 contacts → |
“MELE Associates, Inc.(MELE) has been delivering outstanding service and support to federal, local, and state government agencies and commercial customers for more than three…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Signature Science, LLCsignaturescience.comHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 179 contacts → |
“Signature Science's consultants serve government and commercial clients through a wide array of technical offerings.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Faith Group, LLCfaithgroupllc.com HQ: Saint Louis, MO, United StatesReported employees: 51-200 | Saint Louis, MO, United States | 51-200 | Exact match | 149 contacts → |
“Faith Group LLC was established in 2004 as a full-service women-owned consulting and engineering firm specializing in the planning and design of security, IT, audiovisual, safety…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  AC Disaster Consultingacdisaster.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 148 contacts → |
“AC Disaster Consulting offers emergency management advisory and consulting services for private entities; non-profit organizations; and federal, state, local, and tribal…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,244 company matches
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Homeland security consultants: dataset insights
September 28, 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
3,241 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 3,244 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 28, 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 ↗
Homeland security consultants by location
16 lists · largest firstEvery Homeland security consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Homeland security consultants based in the United States1,236
- Homeland security consultants based in the United Kingdom175
- Homeland security consultants based in France125
- Homeland security consultants based in Australia104
- Homeland security consultants based in Canada104
- Homeland security consultants based in Brazil79
- Homeland security consultants based in Germany58
- Homeland security consultants based in India45
- Homeland security consultants based in Sweden37
- Homeland security consultants based in the Netherlands36
- Homeland security consultants based in Switzerland34
- Homeland security consultants based in Israel32
Cities
Questions about this company list
What does Exact match mean for homeland security consultants?
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 homeland security consultants did RevenueBase find worldwide?
The saved snapshot records 3,244 matching company records, 37,021 tracked contacts and 7,926 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 28, 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 homeland security consultants worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/homeland-security-consultants.
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 homeland security consultants worldwide
RevenueBase records 3,244 matching company records for homeland security consultants worldwide, with 37,021 tracked contacts and 7,926 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 28, 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 homeland security consultants 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 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Jensen Hughesjensenhughes.com HQ: Columbia, MD, United StatesReported employees: 1,001-5,000 | Columbia, MD, United States | 1,001-5,000 | Exact match | 1,655 contacts → |
“Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | First Security Group LLCfirstsg.com HQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 1,374 contacts → |
“First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 28, 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Grupo Liberdadegrupoliberdade.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 304 contacts → |
“Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Whitney, Bradley & Brown WBBwbbinc.com HQ: Reston, VA, United StatesReported employees: 501-1,000 | Reston, VA, United States | 501-1,000 | Exact match | 271 contacts → |
“WBB (now a part of Serco) is a leading government and public sector solutions provider, dedicated to the enduring success of our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Netrika Consulting India PVT LTDnetrika.com HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 247 contacts → |
“Netrika Consulting India stands as a preeminent global leader in emerging and frontier markets, providing unparalleled integrity management and risk mitigation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mason & Hangermasonandhanger.com HQ: Lexington, KY, United StatesReported employees: 201-500 | Lexington, KY, United States | 201-500 | Exact match | 225 contacts → |
“Mason & Hanger, a Day & Zimmermann Company, is dedicated to providing architectural and engineering (A/E) services, specializing in worldwide design of secure, mission-driven…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hart Securityhartinternational.com HQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 207 contacts → |
“Internationally recognised, Hart delivers innovative, integrated security solutions in complex markets, providing services to private, public and NGO sectors with exceptional…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sobran-Incsobran-inc.com HQ: Falls Church, VA, United StatesReported employees: 201-500 | Falls Church, VA, United States | 201-500 | Exact match | 205 contacts → |
“SoBran, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Strategic Analysis Incorporatedsainc.com HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 202 contacts → |
“Strategic Analysis Inc.(SA) is an industry-leading government professional services firm that excels in providing innovative solutions to the problems of today and tomorrow.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Environpact Sustentabilidade E Resiliênciaenvironpact.com HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 201 contacts → |
“A EnvironPact Sustentabilidade e Resiliência é parte da OceanPact, uma companhia 100% brasileira que desenvolve e implanta soluções seguras, eficientes e inovadoras nas áreas de…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mele Associates, INCmeleassociates.com HQ: Rockville, MD, United StatesReported employees: 201-500 | Rockville, MD, United States | 201-500 | Exact match | 191 contacts → |
“MELE Associates, Inc.(MELE) has been delivering outstanding service and support to federal, local, and state government agencies and commercial customers for more than three…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Signature Science, LLCsignaturescience.com HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 179 contacts → |
“Signature Science's consultants serve government and commercial clients through a wide array of technical offerings.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Faith Group, LLCfaithgroupllc.com HQ: Saint Louis, MO, United StatesReported employees: 51-200 | Saint Louis, MO, United States | 51-200 | Exact match | 149 contacts → |
“Faith Group LLC was established in 2004 as a full-service women-owned consulting and engineering firm specializing in the planning and design of security, IT, audiovisual, safety…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | AC Disaster Consultingacdisaster.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 148 contacts → |
“AC Disaster Consulting offers emergency management advisory and consulting services for private entities; non-profit organizations; and federal, state, local, and tribal…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Homeland security consultants: dataset insights
September 28, 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
3,241 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 3,244 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 28, 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 ↗
Homeland security consultants by location
16 lists · largest firstEvery Homeland security consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Homeland security consultants based in the United States1,236
- Homeland security consultants based in the United Kingdom175
- Homeland security consultants based in France125
- Homeland security consultants based in Australia104
- Homeland security consultants based in Canada104
- Homeland security consultants based in Brazil79
- Homeland security consultants based in Germany58
- Homeland security consultants based in India45
- Homeland security consultants based in Sweden37
- Homeland security consultants based in the Netherlands36
- Homeland security consultants based in Switzerland34
- Homeland security consultants based in Israel32
Cities
Questions about this company list
What does Exact match mean for homeland security consultants?
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 homeland security consultants did RevenueBase find worldwide?
The saved snapshot records 3,244 matching company records, 37,021 tracked contacts and 7,926 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 28, 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
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Cite this list
RevenueBase Data Team. Top 25 homeland security consultants worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/homeland-security-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗