Company lists · Data refreshed September 2026
Top 25 Government security contractors based in the United States
RevenueBase identified 2,809 company matches for government security contractors associated with the United States as of September 2026 and tracks 144,681 professional contacts across them, including 13,803 with verified work emails and 45,789 with mobile numbers. New York is the largest hub.
This list covers company matches for government security contractors 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 3, 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 government security contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 38,650 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 2 | 3,609 contacts → | ||||
Exact match “EVERYWHERE SECURITY MATTERS.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 3 | 3,600 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 4 | 1,946 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 3, 2026 · View company records in RevenueBase | |||||
| 5 | 1,389 contacts → | ||||
Exact match “Weiser Security Services is the 11th largest security service provider in the U.S.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 6 | 1,375 contacts → | ||||
Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 7 | 1,288 contacts → | ||||
Exact match “More than a provider, we’re an active partner.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 8 | 1,148 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 3, 2026 · View company records in RevenueBase | |||||
| 9 | 1,133 contacts → | ||||
Exact match “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 10 | 1,113 contacts → | ||||
Exact match “Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 11 | 1,084 contacts → | ||||
Exact match “Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 12 | 920 contacts → | ||||
Exact match “As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 13 | 858 contacts → | ||||
Exact match “At Tyto Athene, we help turn Data to Dominance.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 14 | 744 contacts → | ||||
Exact match “Improving Security.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 15 | 741 contacts → | ||||
Exact match “Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 16 | 682 contacts → | ||||
Exact match “OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 17 | 629 contacts → | ||||
Exact match “Sallyport Global a Caliburn company is a global provider of a full spectrum of security and mission support solutions tailored to enable global security and stability operations.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 18 | 572 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 3, 2026 · View company records in RevenueBase | |||||
| 19 | 570 contacts → | ||||
Exact match “DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 20 | 551 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 3, 2026 · View company records in RevenueBase | |||||
| 21 | 515 contacts → | ||||
Exact match “COMMITTED PEOPLE.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 22 | 450 contacts → | ||||
Exact match “One of the fastest-growing private security companies in Western Washington, providing "Security Solutions for a Changing World." The Star Protection Promise is to provide an…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 23 | 445 contacts → | ||||
Exact match “At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 24 | 428 contacts → | ||||
Exact match “Established in 1976, Summit is one of the largest privately owned security services firms in the United States.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 25 | 418 contacts → | ||||
Exact match “At Kent, we’re able to pull from an unequaled pool of business and security products and services.” Recorded in the RevenueBase company graph · Sep 3, 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 “government security contractors”. 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 2,809 government security contractors based in the United States
See the full list, filter by size, metro and specialty, and access 13,803 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Government security contractors based in the United States at a glance
As of Sep 3, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “government security contractors” 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 13,803 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 3, 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.
Government security contractors by metro
- Government security contractors in New York91
- Government security contractors in Los Angeles84
- Government security contractors in Houston76
- Government security contractors in Miami50
- Government security contractors in Chicago46
- Government security contractors in Atlanta44
- Government security contractors in Dallas41
- Government security contractors in Las Vegas37
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 “government security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many government security contractors are there based in the United States?
RevenueBase identified 2,809 company matches for government security contractors 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?
Securitas Security Services Usa, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most government security contractors?
New York leads with 91 company records, followed by Los Angeles (84) and Houston (76).
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 13,803 professional contacts with verified work emails tracked across these 2,809 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 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,809 government security contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Government security contractors by geography
- Government security contractors based in the United Kingdom
- Government security contractors based in France
- Government security contractors based in Brazil
- Government security contractors based in Germany
- Government security contractors based in Canada
- Government security contractors based in the Netherlands
- Government security contractors based in Italy
- Government security contractors based in Australia
- Government security contractors based in South Africa
- Government security contractors based in Mexico
- Government security contractors based in Argentina
- Government security contractors based in Spain
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
- Government security contractors based in the United Kingdom
- Government security contractors based in France
- Government security contractors based in Brazil
- Government security contractors based in Germany
- Government security contractors based in Canada
- Government security contractors based in the Netherlands
Company intelligence · public preview
Top 25 government security contractors 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 2,809 matching company records for government security contractors based in the United States, with 144,681 tracked contacts and 13,803 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 3, 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 government security contractors 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 |  Securitas Security Services Usa, INCsecuritasinc.comHQ: Parsippany, ID, United StatesReported employees: 10001+ | Parsippany, ID, United States | 10001+ | Exact match | 38,650 contacts → |
“Securitas knows Security.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Inter-Con Securityicsecurity.comHQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,609 contacts → |
“EVERYWHERE SECURITY MATTERS.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 3,600 contacts → |
“U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Paragon Systems INCparasys.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,946 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Weiser Security Services, INCweisersecurity.comHQ: New Orleans, LA, United StatesReported employees: 1,001-5,000 | New Orleans, LA, United States | 1,001-5,000 | Exact match | 1,389 contacts → |
“Weiser Security Services is the 11th largest security service provider in the U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Guardsmarkguardsmark.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,375 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Signalteamsignal.comHQ: Omaha, NE, United StatesReported employees: 1,001-5,000 | Omaha, NE, United States | 1,001-5,000 | Exact match | 1,288 contacts → |
“More than a provider, we’re an active partner.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  SOS Security LLCsossecurity.comHQ: Parsippany, CA, United StatesReported employees: 10001+ | Parsippany, CA, United States | 10001+ | Exact match | 1,148 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Titan Security Grouptitan-security.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,133 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,113 contacts → |
“Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Andrews Internationalandrewsinternational.comHQ: Burbank, CA, United StatesReported employees: 10001+ | Burbank, CA, United States | 10001+ | Exact match | 1,084 contacts → |
“Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  First Coast Securityfcssecurity.usHQ: Jacksonville, FL, United StatesReported employees: 1,001-5,000 | Jacksonville, FL, United States | 1,001-5,000 | Exact match | 920 contacts → |
“As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tyto Athene, LLCgotyto.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 858 contacts → |
“At Tyto Athene, we help turn Data to Dominance.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Northeast Security INCnesecurity.comHQ: Westwood, MA, United StatesReported employees: 1,001-5,000 | Westwood, MA, United States | 1,001-5,000 | Exact match | 744 contacts → |
“Improving Security.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Akal Securityakalsecurity.comHQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 741 contacts → |
“Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Omniplex World Services Corporationomniplex.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 682 contacts → |
“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sallyport Globalsallyportglobal.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 629 contacts → |
“Sallyport Global a Caliburn company is a global provider of a full spectrum of security and mission support solutions tailored to enable global security and stability operations.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  MSA Securityaus.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 572 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  DK Securitydksecurity.comHQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 570 contacts → |
“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Security Alliancesecurityalliancegroup.comHQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 551 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Champion National Securitychamp.netHQ: Richardson, FL, United StatesReported employees: 1,001-5,000 | Richardson, FL, United States | 1,001-5,000 | Exact match | 515 contacts → |
“COMMITTED PEOPLE.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Star Protection Agency, LLCstarprotection.comHQ: Bellevue, NV, United StatesReported employees: 1,001-5,000 | Bellevue, NV, United States | 1,001-5,000 | Exact match | 450 contacts → |
“One of the fastest-growing private security companies in Western Washington, providing "Security Solutions for a Changing World." The Star Protection Promise is to provide an…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Xcelerate Solutionsxceleratesolutions.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 445 contacts → |
“At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Summit Security Services, INCsummitsecurity.comHQ: Uniondale, CT, United StatesReported employees: 1,001-5,000 | Uniondale, CT, United States | 1,001-5,000 | Exact match | 428 contacts → |
“Established in 1976, Summit is one of the largest privately owned security services firms in the United States.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Kent Serviceskentservices.comHQ: North Miami Beach, FL, United StatesReported employees: 1,001-5,000 | North Miami Beach, FL, United States | 1,001-5,000 | Exact match | 418 contacts → |
“At Kent, we’re able to pull from an unequaled pool of business and security products and services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,809 company matches
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Government security contractors: dataset insights
September 3, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
2,775 records in the displayed employee bands.
34 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 3, 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 ↗
Government security contractors by metro
- Government security contractors in New York91
- Government security contractors in Los Angeles84
- Government security contractors in Houston76
- Government security contractors in Miami50
- Government security contractors in Chicago46
- Government security contractors in Atlanta44
- Government security contractors in Dallas41
- Government security contractors in Las Vegas37
Questions about this company list
What does Exact match mean for government security contractors?
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 government security contractors did RevenueBase find based in the United States?
The saved snapshot records 2,809 matching company records, 144,681 tracked contacts and 13,803 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 3, 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
Government security contractors by geography
- Government security contractors based in the United Kingdom
- Government security contractors based in France
- Government security contractors based in Brazil
- Government security contractors based in Germany
- Government security contractors based in Canada
- Government security contractors based in the Netherlands
- Government security contractors based in Italy
- Government security contractors based in Australia
- Government security contractors based in South Africa
- Government security contractors based in Mexico
- Government security contractors based in Argentina
- Government security contractors based in Spain
Cite this list
RevenueBase Data Team. Top 25 government security contractors based in the United States. Snapshot: September 3, 2026. https://revenuebase.ai/companies/government-security-contractors/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
- Government security contractors based in the United Kingdom
- Government security contractors based in France
- Government security contractors based in Brazil
- Government security contractors based in Germany
- Government security contractors based in Canada
- Government security contractors based in the Netherlands
Company intelligence · public preview
Top 25 government security contractors based in the United States
RevenueBase records 2,809 matching company records for government security contractors based in the United States, with 144,681 tracked contacts and 13,803 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 3, 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 government security contractors 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 | Securitas Security Services Usa, INCsecuritasinc.com HQ: Parsippany, ID, United StatesReported employees: 10001+ | Parsippany, ID, United States | 10001+ | Exact match | 38,650 contacts → |
“Securitas knows Security.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Inter-Con Securityicsecurity.com HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,609 contacts → |
“EVERYWHERE SECURITY MATTERS.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 3,600 contacts → |
“U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Paragon Systems INCparasys.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,946 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Weiser Security Services, INCweisersecurity.com HQ: New Orleans, LA, United StatesReported employees: 1,001-5,000 | New Orleans, LA, United States | 1,001-5,000 | Exact match | 1,389 contacts → |
“Weiser Security Services is the 11th largest security service provider in the U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Guardsmarkguardsmark.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,375 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Signalteamsignal.com HQ: Omaha, NE, United StatesReported employees: 1,001-5,000 | Omaha, NE, United States | 1,001-5,000 | Exact match | 1,288 contacts → |
“More than a provider, we’re an active partner.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SOS Security LLCsossecurity.com HQ: Parsippany, CA, United StatesReported employees: 10001+ | Parsippany, CA, United States | 10001+ | Exact match | 1,148 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Titan Security Grouptitan-security.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,133 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,113 contacts → |
“Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Andrews Internationalandrewsinternational.com HQ: Burbank, CA, United StatesReported employees: 10001+ | Burbank, CA, United States | 10001+ | Exact match | 1,084 contacts → |
“Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | First Coast Securityfcssecurity.us HQ: Jacksonville, FL, United StatesReported employees: 1,001-5,000 | Jacksonville, FL, United States | 1,001-5,000 | Exact match | 920 contacts → |
“As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tyto Athene, LLCgotyto.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 858 contacts → |
“At Tyto Athene, we help turn Data to Dominance.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Northeast Security INCnesecurity.com HQ: Westwood, MA, United StatesReported employees: 1,001-5,000 | Westwood, MA, United States | 1,001-5,000 | Exact match | 744 contacts → |
“Improving Security.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Akal Securityakalsecurity.com HQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 741 contacts → |
“Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Omniplex World Services Corporationomniplex.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 682 contacts → |
“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sallyport Globalsallyportglobal.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 629 contacts → |
“Sallyport Global a Caliburn company is a global provider of a full spectrum of security and mission support solutions tailored to enable global security and stability operations.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | MSA Securityaus.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 572 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | DK Securitydksecurity.com HQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 570 contacts → |
“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Security Alliancesecurityalliancegroup.com HQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 551 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Champion National Securitychamp.net HQ: Richardson, FL, United StatesReported employees: 1,001-5,000 | Richardson, FL, United States | 1,001-5,000 | Exact match | 515 contacts → |
“COMMITTED PEOPLE.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Star Protection Agency, LLCstarprotection.com HQ: Bellevue, NV, United StatesReported employees: 1,001-5,000 | Bellevue, NV, United States | 1,001-5,000 | Exact match | 450 contacts → |
“One of the fastest-growing private security companies in Western Washington, providing "Security Solutions for a Changing World." The Star Protection Promise is to provide an…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Xcelerate Solutionsxceleratesolutions.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 445 contacts → |
“At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Summit Security Services, INCsummitsecurity.com HQ: Uniondale, CT, United StatesReported employees: 1,001-5,000 | Uniondale, CT, United States | 1,001-5,000 | Exact match | 428 contacts → |
“Established in 1976, Summit is one of the largest privately owned security services firms in the United States.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Kent Serviceskentservices.com HQ: North Miami Beach, FL, United StatesReported employees: 1,001-5,000 | North Miami Beach, FL, United States | 1,001-5,000 | Exact match | 418 contacts → |
“At Kent, we’re able to pull from an unequaled pool of business and security products and services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,809 company matches
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Government security contractors: dataset insights
September 3, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
2,775 records in the displayed employee bands.
34 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 3, 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 ↗
Government security contractors by metro
- Government security contractors in New York91
- Government security contractors in Los Angeles84
- Government security contractors in Houston76
- Government security contractors in Miami50
- Government security contractors in Chicago46
- Government security contractors in Atlanta44
- Government security contractors in Dallas41
- Government security contractors in Las Vegas37
Questions about this company list
What does Exact match mean for government security contractors?
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 government security contractors did RevenueBase find based in the United States?
The saved snapshot records 2,809 matching company records, 144,681 tracked contacts and 13,803 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 3, 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
Government security contractors by geography
- Government security contractors based in the United Kingdom
- Government security contractors based in France
- Government security contractors based in Brazil
- Government security contractors based in Germany
- Government security contractors based in Canada
- Government security contractors based in the Netherlands
- Government security contractors based in Italy
- Government security contractors based in Australia
- Government security contractors based in South Africa
- Government security contractors based in Mexico
- Government security contractors based in Argentina
- Government security contractors based in Spain
Cite this list
RevenueBase Data Team. Top 25 government security contractors based in the United States. Snapshot: September 3, 2026. https://revenuebase.ai/companies/government-security-contractors/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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