Company lists · Data refreshed November 2026
Top 25 Transit security companies based in the United States
RevenueBase identified 213 company matches for transit security companies associated with the United States as of November 2026 and tracks 16,673 professional contacts across them, including 1,291 with verified work emails. Miami is the largest hub.
This list covers company matches for transit 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 November 5, 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 transit security companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,040 contacts → | ||||
Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 3,000 contacts → | ||||
Exact match “First Transit was acquired in 2023 and is now Transdev.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 2,393 contacts → | ||||
Exact match “Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 1,203 contacts → | ||||
Exact match “SOS Security is a known innovator and leader in the security and protective services industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 798 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 687 contacts → | ||||
Exact match “Covenant Aviation Security, LLC (CAS) is an industry leader in providing transportation security services to airport authorities, airlines, and the federal government.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 287 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 265 contacts → | ||||
Exact match “GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 221 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 141 contacts → | ||||
Exact match “TransCor America is the most experienced detainee and inmate transportation company in the country, and we want to be your partner for secure transportation services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 138 contacts → | ||||
Exact match “Nighthawk Security Company is a privately owned and operated company headquartered in western Kentucky.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 129 contacts → | ||||
Exact match “Eagle Security Services provides unparalled services to the Greater Los Angeles Airports.Our Range of Quality Aviation services are provided by well trained personnel,familiar…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 103 contacts → | ||||
Exact match “TSS is a private security firm specializing in customer service, partnership focused cruise terminal, cargo facility and port authority security services, as well as crew…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 82 contacts → | ||||
Exact match “ACT Security Group is based in Texas and provides security personnel and patrol services to a wide range of industries which include commercial, retail, residential and government…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 74 contacts → | ||||
Exact match “As a locally owned and operated security firm, we lead with transparent communication, dynamic problem-solving, and genuine care.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 74 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 68 contacts → | ||||
Exact match “Prudential Defense Solutions is a full‑service security provider offering professional guard services, door staff, and government‑contractor.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 61 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 61 contacts → | ||||
Exact match “Wisdom Protective - A Growing, Minority-Owned and Operated, Client-Focused, Security Company Wisdom Protective is dedicated to providing client-focused security protection…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 50 contacts → | ||||
Exact match “Founded in 2001, ALL N ONE is one of the nation’s largest and most experienced, fully-certified security firms.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 48 contacts → | ||||
Exact match “For over thirty years, TRA has been a premier safety, security, and operations consulting firm, specializing in public transportation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 46 contacts → | ||||
Exact match “JAN-GUARD HAWAII INC began doing business in as a contract security company providing Security Officers and Motorized patrol service on Oahu and the Big Island.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 40 contacts → | ||||
Exact match “At Windom Security Strategies Today, our mission is to provide an elite highly specialized security service without compromise to safety, privacy, or the integrity of our clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 38 contacts → | ||||
Exact match “Scout was founded with a mission to train and deploy the best security personnel in the world to create safe environments that increase asset value with the best client experience…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 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 “transit 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 213 transit security companies based in the United States
See the full list, filter by size, metro and specialty, and access 1,291 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transit security companies based in the United States at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 213 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “transit 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 1,291 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 November 5, 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.
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 “transit security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transit security companies are there based in the United States?
RevenueBase identified 213 company matches for transit security companies associated with the United States as of November 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?
Unemployed tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most transit security companies?
Miami leads with 5 company records, followed by Sacramento (5) and Denver (4).
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 1,291 professional contacts with verified work emails tracked across these 213 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 213 transit security companies based in the United States. Start with a free account, no credit card.
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Transit security companies by geography
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
- Transit security companies based in Canada
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 transit 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 213 matching company records for transit security companies based in the United States, with 16,673 tracked contacts and 1,291 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: November 5, 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 transit 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 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  First Transittransdevna.comHQ: Lombard, IL, United StatesReported employees: 10001+ | Lombard, IL, United States | 10001+ | Exact match | 3,000 contacts → |
“First Transit was acquired in 2023 and is now Transdev.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Andy Frain Servicesandyfrain.comHQ: Aurora, IL, United StatesReported employees: 5,001-10,000 | Aurora, IL, United States | 5,001-10,000 | Exact match | 2,393 contacts → |
“Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  SOS Security LLCsossecurity.comHQ: Parsippany, VA, United StatesReported employees: 10001+ | Parsippany, VA, United States | 10001+ | Exact match | 1,203 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Akal Securityakalsecurity.comHQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 798 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Covenant Aviation Security, LLCcovenantsecurity.comHQ: Bolingbrook, IL, United StatesReported employees: 1,001-5,000 | Bolingbrook, IL, United States | 1,001-5,000 | Exact match | 687 contacts → |
“Covenant Aviation Security, LLC (CAS) is an industry leader in providing transportation security services to airport authorities, airlines, and the federal government.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Doyle Security Services, Inc. DSSdoylesecurityservices.comHQ: Rockville Centre, NJ, United StatesReported employees: 1,001-5,000 | Rockville Centre, NJ, United States | 1,001-5,000 | Exact match | 287 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Guardtexas, INCguardtexas.comHQ: Richardson, TX, United StatesReported employees: 501-1,000 | Richardson, TX, United States | 501-1,000 | Exact match | 265 contacts → |
“GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Pacwest Security Servicespacwestsecurity.comHQ: Costa Mesa, CA, United StatesReported employees: 501-1,000 | Costa Mesa, CA, United States | 501-1,000 | Exact match | 221 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Transcor Americatranscor.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 141 contacts → |
“TransCor America is the most experienced detainee and inmate transportation company in the country, and we want to be your partner for secure transportation services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Nighthawk Security Companynighthawksecurityco.comHQ: Owensboro, KY, United StatesReported employees: 501-1,000 | Owensboro, KY, United States | 501-1,000 | Exact match | 138 contacts → |
“Nighthawk Security Company is a privately owned and operated company headquartered in western Kentucky.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Eagle Security Serviceseagless.comHQ: Gardena, CA, United StatesReported employees: 201-500 | Gardena, CA, United States | 201-500 | Exact match | 129 contacts → |
“Eagle Security Services provides unparalled services to the Greater Los Angeles Airports.Our Range of Quality Aviation services are provided by well trained personnel,familiar…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Terminal Security Solutions, INCtermsec.comHQ: Long Beach, CA, United StatesReported employees: 501-1,000 | Long Beach, CA, United States | 501-1,000 | Exact match | 103 contacts → |
“TSS is a private security firm specializing in customer service, partnership focused cruise terminal, cargo facility and port authority security services, as well as crew…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ACT Security Groupactsecuritygroup.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 82 contacts → |
“ACT Security Group is based in Texas and provides security personnel and patrol services to a wide range of industries which include commercial, retail, residential and government…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Northwest Enforcement, INCnwenforcement.infoHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 74 contacts → |
“As a locally owned and operated security firm, we lead with transparent communication, dynamic problem-solving, and genuine care.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Am-Gard, INCam-gard.comHQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 74 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Prudential Defense Solutionsprudentialdefense.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 68 contacts → |
“Prudential Defense Solutions is a full‑service security provider offering professional guard services, door staff, and government‑contractor.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aviation Security Management, LLCaviationsecuritymanagement.com HQ: Woodbridge, VA, United StatesReported employees: Not recorded | Woodbridge, VA, United States | Not recorded | Exact match | 61 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Wisdom Protectivewisdomprotective.comHQ: Westbury, NY, United StatesReported employees: 501-1,000 | Westbury, NY, United States | 501-1,000 | Exact match | 61 contacts → |
“Wisdom Protective - A Growing, Minority-Owned and Operated, Client-Focused, Security Company Wisdom Protective is dedicated to providing client-focused security protection…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Allnonesecurityalln1security.comHQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 50 contacts → |
“Founded in 2001, ALL N ONE is one of the nation’s largest and most experienced, fully-certified security firms.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Transportation Resource Associates, INCtraonline.comHQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 48 contacts → |
“For over thirty years, TRA has been a premier safety, security, and operations consulting firm, specializing in public transportation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  JAN Guard Hawaii INCjanguardhawaii.comHQ: Honolulu, HI, United StatesReported employees: 51-200 | Honolulu, HI, United States | 51-200 | Exact match | 46 contacts → |
“JAN-GUARD HAWAII INC began doing business in as a contract security company providing Security Officers and Motorized patrol service on Oahu and the Big Island.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Windom Security Strategies Todaywindomsecurity.comHQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 40 contacts → |
“At Windom Security Strategies Today, our mission is to provide an elite highly specialized security service without compromise to safety, privacy, or the integrity of our clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Scout Security Groupscoutprotection.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 38 contacts → |
“Scout was founded with a mission to train and deploy the best security personnel in the world to create safe environments that increase asset value with the best client experience…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  WGS Group, INCwgsgroup.netHQ: Beverly Hills, CA, United StatesReported employees: 51-200 | Beverly Hills, CA, United States | 51-200 | Exact match | 38 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 213 company matches
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Transit security companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
210 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 213 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 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 ↗
Questions about this company list
What does Exact match mean for transit 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 transit security companies did RevenueBase find based in the United States?
The saved snapshot records 213 matching company records, 16,673 tracked contacts and 1,291 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: November 5, 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
Transit security companies by geography
Cite this list
RevenueBase Data Team. Top 25 transit security companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/transit-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
- Transit security companies based in Canada
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 transit security companies based in the United States
RevenueBase records 213 matching company records for transit security companies based in the United States, with 16,673 tracked contacts and 1,291 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: November 5, 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 transit 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 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | First Transittransdevna.com HQ: Lombard, IL, United StatesReported employees: 10001+ | Lombard, IL, United States | 10001+ | Exact match | 3,000 contacts → |
“First Transit was acquired in 2023 and is now Transdev.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Andy Frain Servicesandyfrain.com HQ: Aurora, IL, United StatesReported employees: 5,001-10,000 | Aurora, IL, United States | 5,001-10,000 | Exact match | 2,393 contacts → |
“Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SOS Security LLCsossecurity.com HQ: Parsippany, VA, United StatesReported employees: 10001+ | Parsippany, VA, United States | 10001+ | Exact match | 1,203 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Akal Securityakalsecurity.com HQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 798 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Covenant Aviation Security, LLCcovenantsecurity.com HQ: Bolingbrook, IL, United StatesReported employees: 1,001-5,000 | Bolingbrook, IL, United States | 1,001-5,000 | Exact match | 687 contacts → |
“Covenant Aviation Security, LLC (CAS) is an industry leader in providing transportation security services to airport authorities, airlines, and the federal government.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Doyle Security Services, Inc. DSSdoylesecurityservices.com HQ: Rockville Centre, NJ, United StatesReported employees: 1,001-5,000 | Rockville Centre, NJ, United States | 1,001-5,000 | Exact match | 287 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Guardtexas, INCguardtexas.com HQ: Richardson, TX, United StatesReported employees: 501-1,000 | Richardson, TX, United States | 501-1,000 | Exact match | 265 contacts → |
“GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Pacwest Security Servicespacwestsecurity.com HQ: Costa Mesa, CA, United StatesReported employees: 501-1,000 | Costa Mesa, CA, United States | 501-1,000 | Exact match | 221 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Transcor Americatranscor.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 141 contacts → |
“TransCor America is the most experienced detainee and inmate transportation company in the country, and we want to be your partner for secure transportation services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Nighthawk Security Companynighthawksecurityco.com HQ: Owensboro, KY, United StatesReported employees: 501-1,000 | Owensboro, KY, United States | 501-1,000 | Exact match | 138 contacts → |
“Nighthawk Security Company is a privately owned and operated company headquartered in western Kentucky.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Eagle Security Serviceseagless.com HQ: Gardena, CA, United StatesReported employees: 201-500 | Gardena, CA, United States | 201-500 | Exact match | 129 contacts → |
“Eagle Security Services provides unparalled services to the Greater Los Angeles Airports.Our Range of Quality Aviation services are provided by well trained personnel,familiar…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Terminal Security Solutions, INCtermsec.com HQ: Long Beach, CA, United StatesReported employees: 501-1,000 | Long Beach, CA, United States | 501-1,000 | Exact match | 103 contacts → |
“TSS is a private security firm specializing in customer service, partnership focused cruise terminal, cargo facility and port authority security services, as well as crew…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ACT Security Groupactsecuritygroup.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 82 contacts → |
“ACT Security Group is based in Texas and provides security personnel and patrol services to a wide range of industries which include commercial, retail, residential and government…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Northwest Enforcement, INCnwenforcement.info HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 74 contacts → |
“As a locally owned and operated security firm, we lead with transparent communication, dynamic problem-solving, and genuine care.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Am-Gard, INCam-gard.com HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 74 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Prudential Defense Solutionsprudentialdefense.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 68 contacts → |
“Prudential Defense Solutions is a full‑service security provider offering professional guard services, door staff, and government‑contractor.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aviation Security Management, LLCaviationsecuritymanagement.com HQ: Woodbridge, VA, United StatesReported employees: Not recorded | Woodbridge, VA, United States | Not recorded | Exact match | 61 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Wisdom Protectivewisdomprotective.com HQ: Westbury, NY, United StatesReported employees: 501-1,000 | Westbury, NY, United States | 501-1,000 | Exact match | 61 contacts → |
“Wisdom Protective - A Growing, Minority-Owned and Operated, Client-Focused, Security Company Wisdom Protective is dedicated to providing client-focused security protection…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Allnonesecurityalln1security.com HQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 50 contacts → |
“Founded in 2001, ALL N ONE is one of the nation’s largest and most experienced, fully-certified security firms.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Transportation Resource Associates, INCtraonline.com HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 48 contacts → |
“For over thirty years, TRA has been a premier safety, security, and operations consulting firm, specializing in public transportation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | JAN Guard Hawaii INCjanguardhawaii.com HQ: Honolulu, HI, United StatesReported employees: 51-200 | Honolulu, HI, United States | 51-200 | Exact match | 46 contacts → |
“JAN-GUARD HAWAII INC began doing business in as a contract security company providing Security Officers and Motorized patrol service on Oahu and the Big Island.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Windom Security Strategies Todaywindomsecurity.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 40 contacts → |
“At Windom Security Strategies Today, our mission is to provide an elite highly specialized security service without compromise to safety, privacy, or the integrity of our clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Scout Security Groupscoutprotection.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 38 contacts → |
“Scout was founded with a mission to train and deploy the best security personnel in the world to create safe environments that increase asset value with the best client experience…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | WGS Group, INCwgsgroup.net HQ: Beverly Hills, CA, United StatesReported employees: 51-200 | Beverly Hills, CA, United States | 51-200 | Exact match | 38 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 213 company matches
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Transit security companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
210 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 213 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 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 ↗
Questions about this company list
What does Exact match mean for transit 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 transit security companies did RevenueBase find based in the United States?
The saved snapshot records 213 matching company records, 16,673 tracked contacts and 1,291 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: November 5, 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
Transit security companies by geography
Cite this list
RevenueBase Data Team. Top 25 transit security companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/transit-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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