Company lists · Data refreshed September 2026
Top 25 Government contract security companies based in the United States
RevenueBase identified 1,078 company matches for government contract security companies associated with the United States as of September 2026 and tracks 83,245 professional contacts across them, including 5,004 with verified work emails and 23,199 with mobile numbers. New York is the largest hub.
This list covers company matches for government contract security companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed 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 contract security companies 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 | 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 | |||||
| 3 | 1,186 contacts → | ||||
Exact match “DSI Security Services offers armed and unarmed uniformed security guard services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 744 contacts → | ||||
Exact match “Improving Security.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 515 contacts → | ||||
Exact match “COMMITTED PEOPLE.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 10 | 511 contacts → | ||||
Exact match “Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 11 | 452 contacts → | ||||
Exact match “Founded in Memphis, Tennessee, in 1968, Imperial Security is one of the largest and fastest growing contract security providers in the United States.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 12 | 404 contacts → | ||||
Exact match “American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 13 | 340 contacts → | ||||
Exact match “iidon Security Associates provides premier security services catered to your company's needs.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 14 | 322 contacts → | ||||
Exact match “United American Security was formed in 2010 to bring excellent regional security companies together.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 15 | 273 contacts → | ||||
Exact match “Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 16 | 253 contacts → | ||||
Exact match “ADC supports government and corporate clients with two primary services - personnel security, ranging from pre-employment checks to comprehensive background investigations and…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 17 | 238 contacts → | ||||
Exact match “GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 18 | 203 contacts → | ||||
Exact match “As the U.S.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 19 | 200 contacts → | ||||
Exact match “We are a privately owned California security services provider who is committed to excellence in service in every aspect of our business.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 20 | 190 contacts → | ||||
Exact match “Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 21 | 183 contacts → | ||||
Exact match “Privately held American owned company that provides professionally trained armed/unarmed security officers to the federal government, municipalities,commercial clients, utility…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 22 | 173 contacts → | ||||
Exact match “Established in 2008, Titan Protection and Consulting is a leading-edge security firm specializing in crime prevention and detection for hundreds of companies nationwide.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 23 | 173 contacts → | ||||
Exact match “ASP is a premium contract security services company based in Northern Virginia and a wholly owned subsidiary of SecurAmerica.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 24 | 170 contacts → | ||||
Exact match “Since 1981, Teachout Security Solutions has become well-known as industry-leading uniformed security services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 25 | 160 contacts → | ||||
Exact match “In a eld that is highly competitive, Diversified Protection Corporation (DPC) is a spirited company effectively providing superior security services to federal and commercial…” 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 contract security companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,078 government contract security companies based in the United States
See the full list, filter by size, metro and specialty, and access 5,004 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Government contract security companies 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 contract security companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 5,004 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 contract security companies by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “government contract security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many government contract security companies are there based in the United States?
RevenueBase identified 1,078 company matches for government contract security companies 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 contract security companies?
New York leads with 36 company records, followed by Houston (33) and Los Angeles (31).
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 5,004 professional contacts with verified work emails tracked across these 1,078 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 1,078 government contract security companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Government contract security companies by geography
- Government contract security companies based in the United Kingdom
- Government contract security companies based in Brazil
- Government contract security companies based in France
- Government contract security companies based in Canada
- Government contract security companies based in Italy
- Government contract security companies based in Germany
- Government contract security companies based in Australia
- Government contract security companies based in South Africa
- Government contract security companies based in Mexico
- Government contract security companies based in the Netherlands
- Government contract security companies based in Argentina
- Government contract security companies 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 contract security companies based in the United Kingdom
- Government contract security companies based in Brazil
- Government contract security companies based in France
- Government contract security companies based in Canada
- Government contract security companies based in Italy
- Government contract security companies based in Germany
Company intelligence · public preview
Top 25 government contract security companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,078 matching company records for government contract security companies based in the United States, with 83,245 tracked contacts and 5,004 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 contract security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 | 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. | |||||
| 3 | HQ: Dothan, AL, United StatesReported employees: 1,001-5,000 | Dothan, AL, United States | 1,001-5,000 | Exact match | 1,186 contacts → |
“DSI Security Services offers armed and unarmed uniformed security guard services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | HQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 511 contacts → |
“Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Imperial Securityimperialsecurity.com HQ: Memphis, TN, United StatesReported employees: 1,001-5,000 | Memphis, TN, United States | 1,001-5,000 | Exact match | 452 contacts → |
“Founded in Memphis, Tennessee, in 1968, Imperial Security is one of the largest and fastest growing contract security providers in the United States.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: St. Paul, NE, United StatesReported employees: 1,001-5,000 | St. Paul, NE, United States | 1,001-5,000 | Exact match | 404 contacts → |
“American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 340 contacts → |
“iidon Security Associates provides premier security services catered to your company's needs.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Raleigh, VA, United StatesReported employees: 1,001-5,000 | Raleigh, VA, United States | 1,001-5,000 | Exact match | 322 contacts → |
“United American Security was formed in 2010 to bring excellent regional security companies together.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Rockville Centre, FL, United StatesReported employees: 1,001-5,000 | Rockville Centre, FL, United States | 1,001-5,000 | Exact match | 273 contacts → |
“Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Albuquerque, NM, United StatesReported employees: 501-1,000 | Albuquerque, NM, United States | 501-1,000 | Exact match | 253 contacts → |
“ADC supports government and corporate clients with two primary services - personnel security, ranging from pre-employment checks to comprehensive background investigations and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Richardson, TX, United StatesReported employees: 501-1,000 | Richardson, TX, United States | 501-1,000 | Exact match | 238 contacts → |
“GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Des Plaines, IL, United StatesReported employees: 1,001-5,000 | Des Plaines, IL, United States | 1,001-5,000 | Exact match | 203 contacts → |
“As the U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Costa Mesa, CA, United StatesReported employees: 501-1,000 | Costa Mesa, CA, United States | 501-1,000 | Exact match | 200 contacts → |
“We are a privately owned California security services provider who is committed to excellence in service in every aspect of our business.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Hampton, VA, United StatesReported employees: 501-1,000 | Hampton, VA, United States | 501-1,000 | Exact match | 190 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 183 contacts → |
“Privately held American owned company that provides professionally trained armed/unarmed security officers to the federal government, municipalities,commercial clients, utility…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Overland Park, MO, United StatesReported employees: 501-1,000 | Overland Park, MO, United States | 501-1,000 | Exact match | 173 contacts → |
“Established in 2008, Titan Protection and Consulting is a leading-edge security firm specializing in crime prevention and detection for hundreds of companies nationwide.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 173 contacts → |
“ASP is a premium contract security services company based in Northern Virginia and a wholly owned subsidiary of SecurAmerica.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Flint, MI, United StatesReported employees: 501-1,000 | Flint, MI, United States | 501-1,000 | Exact match | 170 contacts → |
“Since 1981, Teachout Security Solutions has become well-known as industry-leading uniformed security services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Daniel Island, VA, United StatesReported employees: 501-1,000 | Daniel Island, VA, United States | 501-1,000 | Exact match | 160 contacts → |
“In a eld that is highly competitive, Diversified Protection Corporation (DPC) is a spirited company effectively providing superior security services to federal and commercial…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,078 company matches
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Government contract security companies: 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
1,061 records in the displayed employee bands.
17 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 contract security companies by metro
Questions about this company list
What does Exact match mean for government contract security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many government contract security companies did RevenueBase find based in the United States?
The saved snapshot records 1,078 matching company records, 83,245 tracked contacts and 5,004 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 contract security companies by geography
- Government contract security companies based in the United Kingdom
- Government contract security companies based in Brazil
- Government contract security companies based in France
- Government contract security companies based in Canada
- Government contract security companies based in Italy
- Government contract security companies based in Germany
- Government contract security companies based in Australia
- Government contract security companies based in South Africa
- Government contract security companies based in Mexico
- Government contract security companies based in the Netherlands
- Government contract security companies based in Argentina
- Government contract security companies based in Spain
Cite this list
RevenueBase Data Team. Top 25 government contract security companies based in the United States. Snapshot: September 3, 2026. https://revenuebase.ai/companies/government-contract-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Government contract security companies based in the United Kingdom
- Government contract security companies based in Brazil
- Government contract security companies based in France
- Government contract security companies based in Canada
- Government contract security companies based in Italy
- Government contract security companies based in Germany
Company intelligence · public preview
Top 25 government contract security companies based in the United States
RevenueBase records 1,078 matching company records for government contract security companies based in the United States, with 83,245 tracked contacts and 5,004 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 contract security companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 | 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. | |||||
| 3 | HQ: Dothan, AL, United StatesReported employees: 1,001-5,000 | Dothan, AL, United States | 1,001-5,000 | Exact match | 1,186 contacts → |
“DSI Security Services offers armed and unarmed uniformed security guard services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | HQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 511 contacts → |
“Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Imperial Securityimperialsecurity.com HQ: Memphis, TN, United StatesReported employees: 1,001-5,000 | Memphis, TN, United States | 1,001-5,000 | Exact match | 452 contacts → |
“Founded in Memphis, Tennessee, in 1968, Imperial Security is one of the largest and fastest growing contract security providers in the United States.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: St. Paul, NE, United StatesReported employees: 1,001-5,000 | St. Paul, NE, United States | 1,001-5,000 | Exact match | 404 contacts → |
“American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 340 contacts → |
“iidon Security Associates provides premier security services catered to your company's needs.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Raleigh, VA, United StatesReported employees: 1,001-5,000 | Raleigh, VA, United States | 1,001-5,000 | Exact match | 322 contacts → |
“United American Security was formed in 2010 to bring excellent regional security companies together.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Rockville Centre, FL, United StatesReported employees: 1,001-5,000 | Rockville Centre, FL, United States | 1,001-5,000 | Exact match | 273 contacts → |
“Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Albuquerque, NM, United StatesReported employees: 501-1,000 | Albuquerque, NM, United States | 501-1,000 | Exact match | 253 contacts → |
“ADC supports government and corporate clients with two primary services - personnel security, ranging from pre-employment checks to comprehensive background investigations and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Richardson, TX, United StatesReported employees: 501-1,000 | Richardson, TX, United States | 501-1,000 | Exact match | 238 contacts → |
“GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Des Plaines, IL, United StatesReported employees: 1,001-5,000 | Des Plaines, IL, United States | 1,001-5,000 | Exact match | 203 contacts → |
“As the U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Costa Mesa, CA, United StatesReported employees: 501-1,000 | Costa Mesa, CA, United States | 501-1,000 | Exact match | 200 contacts → |
“We are a privately owned California security services provider who is committed to excellence in service in every aspect of our business.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Hampton, VA, United StatesReported employees: 501-1,000 | Hampton, VA, United States | 501-1,000 | Exact match | 190 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 183 contacts → |
“Privately held American owned company that provides professionally trained armed/unarmed security officers to the federal government, municipalities,commercial clients, utility…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Overland Park, MO, United StatesReported employees: 501-1,000 | Overland Park, MO, United States | 501-1,000 | Exact match | 173 contacts → |
“Established in 2008, Titan Protection and Consulting is a leading-edge security firm specializing in crime prevention and detection for hundreds of companies nationwide.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 173 contacts → |
“ASP is a premium contract security services company based in Northern Virginia and a wholly owned subsidiary of SecurAmerica.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Flint, MI, United StatesReported employees: 501-1,000 | Flint, MI, United States | 501-1,000 | Exact match | 170 contacts → |
“Since 1981, Teachout Security Solutions has become well-known as industry-leading uniformed security services.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Daniel Island, VA, United StatesReported employees: 501-1,000 | Daniel Island, VA, United States | 501-1,000 | Exact match | 160 contacts → |
“In a eld that is highly competitive, Diversified Protection Corporation (DPC) is a spirited company effectively providing superior security services to federal and commercial…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Government contract security companies: 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
1,061 records in the displayed employee bands.
17 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.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 contract security companies by metro
Questions about this company list
What does Exact match mean for government contract security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many government contract security companies did RevenueBase find based in the United States?
The saved snapshot records 1,078 matching company records, 83,245 tracked contacts and 5,004 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 contract security companies by geography
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- Government contract security companies based in Spain
Cite this list
RevenueBase Data Team. Top 25 government contract security companies based in the United States. Snapshot: September 3, 2026. https://revenuebase.ai/companies/government-contract-security-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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