Company lists · Data refreshed November 2026
Top 25 Port security services based in the United States
RevenueBase identified 382 company matches for port security services associated with the United States as of November 2026 and tracks 18,583 professional contacts across them, including 1,637 with verified work emails. Los Angeles is the largest hub.
This list covers company matches for port security services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed 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 port security services 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 | 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 | |||||
| 3 | 1,190 contacts → | ||||
Exact match “Ports America is the leading U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 1,168 contacts → | ||||
Exact match “Founded in 1982, St.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 697 contacts → | ||||
Exact match “Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…” 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 | 507 contacts → | ||||
Exact match “American Guard Services is an established, reliable and accredited security protection firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 224 contacts → | ||||
Exact match “Central Defense Security officers protect the human, intellectual and physical assets of our customers and their visitors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 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 | |||||
| 12 | 200 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 163 contacts → | ||||
Exact match “Phoenix Protective Corporation delivers proactive security solutions with highly trained, experienced security officers and outstanding customer protection.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 144 contacts → | ||||
Exact match “Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 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 | |||||
| 17 | 128 contacts → | ||||
Exact match “ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 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 | |||||
| 19 | 103 contacts → | ||||
Exact match “OUR MISSION The goal of Premier Security Solutions is to deflect and deter unlawful activity, create a safe environment for your campus, corporation, agricultural site, private…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 97 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 94 contacts → | ||||
Exact match “Mission Statement “Always Exceed Expectations” ADM Security Solutions exceeds expectations by providing innovative, comprehensive security solutions incorporating high value…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 86 contacts → | ||||
Exact match “DPS Certificate of Private Security License Number B00257 Whether you own or operate a business, securing and protecting your assets against theft and vandalism is a vital part of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 84 contacts → | ||||
Exact match “Security USA®, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 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 | |||||
| 25 | 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 | |||||
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 “port security services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 382 port security services based in the United States
See the full list, filter by size, metro and specialty, and access 1,637 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Port security services 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 382 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 “port security services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,637 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 “port security services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many port security services are there based in the United States?
RevenueBase identified 382 company matches for port security services 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 port security services?
Los Angeles leads with 16 company records, followed by Houston (12) and Miami (10).
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 1,637 professional contacts with verified work emails tracked across these 382 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 382 port security services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Port security services by geography
- Port security services based in Australia
- Port security services based in Brazil
- Port security services based in Canada
- Port security services based in France
- Port security services based in Germany
- Port security services based in India
- Port security services based in Italy
- Port security services based in the Netherlands
- Port security services based in Switzerland
- Port security services based in the United Kingdom
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 port security services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 382 matching company records for port security services based in the United States, with 18,583 tracked contacts and 1,637 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 port security services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 |  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. | |||||
| 3 |  Ports Americaportsamerica.comHQ: Morristown, NJ, United StatesReported employees: 1,001-5,000 | Morristown, NJ, United States | 1,001-5,000 | Exact match | 1,190 contacts → |
“Ports America is the leading U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  St. Moritz Security Services, INCsmssi.comHQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,168 contacts → |
“Founded in 1982, St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Professional Security Consultants, INCpscsite.comHQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 697 contacts → |
“Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…” 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 |  American Guard Services, INCamericanguardservices.comHQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 507 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 | Central Defense Security, LLCcentdef.com HQ: N. Little Rock, AR, United StatesReported employees: 501-1,000 | N. Little Rock, AR, United States | 501-1,000 | Exact match | 224 contacts → |
“Central Defense Security officers protect the human, intellectual and physical assets of our customers and their visitors.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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. | |||||
| 12 |  TOP Guard INCtopguardinc.comHQ: Hampton, VA, United StatesReported employees: 501-1,000 | Hampton, VA, United States | 501-1,000 | Exact match | 200 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Phoenix Protective Corpphoenixprotectivecorp.comHQ: Spokane Valley, WA, United StatesReported employees: 501-1,000 | Spokane Valley, WA, United States | 501-1,000 | Exact match | 163 contacts → |
“Phoenix Protective Corporation delivers proactive security solutions with highly trained, experienced security officers and outstanding customer protection.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  American Securitytrustamericansecurity.comHQ: Greenville, SC, United StatesReported employees: 1,001-5,000 | Greenville, SC, United States | 1,001-5,000 | Exact match | 144 contacts → |
“Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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. | |||||
| 16 |  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. | |||||
| 17 |  ISS Actionissaction.comHQ: Queens, United StatesReported employees: 201-500 | Queens, United States | 201-500 | Exact match | 128 contacts → |
“ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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. | |||||
| 19 |  Premier Security Solutionspremiersecurity.solutionsHQ: Burton, MI, United StatesReported employees: 1,001-5,000 | Burton, MI, United States | 1,001-5,000 | Exact match | 103 contacts → |
“OUR MISSION The goal of Premier Security Solutions is to deflect and deter unlawful activity, create a safe environment for your campus, corporation, agricultural site, private…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  American Heritage Protective Services, INCahpservices.comHQ: Alsip, IL, United StatesReported employees: 201-500 | Alsip, IL, United States | 201-500 | Exact match | 97 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  ADM Security Solutionsadmsecuritysolutions.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 94 contacts → |
“Mission Statement “Always Exceed Expectations” ADM Security Solutions exceeds expectations by providing innovative, comprehensive security solutions incorporating high value…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Danner's Incorporateddanners.comHQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 86 contacts → |
“DPS Certificate of Private Security License Number B00257 Whether you own or operate a business, securing and protecting your assets against theft and vandalism is a vital part of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Security USA INCsecurityusainc.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 84 contacts → |
“Security USA®, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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. | |||||
| 25 |  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. | |||||
Showing 25 of 382 company matches
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Port security services: 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
379 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 382 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 port security services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many port security services did RevenueBase find based in the United States?
The saved snapshot records 382 matching company records, 18,583 tracked contacts and 1,637 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
Port security services by geography
- Port security services based in Australia
- Port security services based in Brazil
- Port security services based in Canada
- Port security services based in France
- Port security services based in Germany
- Port security services based in India
- Port security services based in Italy
- Port security services based in the Netherlands
- Port security services based in Switzerland
- Port security services based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 port security services based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/port-security-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 port security services based in the United States
RevenueBase records 382 matching company records for port security services based in the United States, with 18,583 tracked contacts and 1,637 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 port security services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 | 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. | |||||
| 3 | Ports Americaportsamerica.com HQ: Morristown, NJ, United StatesReported employees: 1,001-5,000 | Morristown, NJ, United States | 1,001-5,000 | Exact match | 1,190 contacts → |
“Ports America is the leading U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | St. Moritz Security Services, INCsmssi.com HQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,168 contacts → |
“Founded in 1982, St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Professional Security Consultants, INCpscsite.com HQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 697 contacts → |
“Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…” 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 | American Guard Services, INCamericanguardservices.com HQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 507 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | Central Defense Security, LLCcentdef.com HQ: N. Little Rock, AR, United StatesReported employees: 501-1,000 | N. Little Rock, AR, United States | 501-1,000 | Exact match | 224 contacts → |
“Central Defense Security officers protect the human, intellectual and physical assets of our customers and their visitors.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | TOP Guard INCtopguardinc.com HQ: Hampton, VA, United StatesReported employees: 501-1,000 | Hampton, VA, United States | 501-1,000 | Exact match | 200 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Phoenix Protective Corpphoenixprotectivecorp.com HQ: Spokane Valley, WA, United StatesReported employees: 501-1,000 | Spokane Valley, WA, United States | 501-1,000 | Exact match | 163 contacts → |
“Phoenix Protective Corporation delivers proactive security solutions with highly trained, experienced security officers and outstanding customer protection.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | American Securitytrustamericansecurity.com HQ: Greenville, SC, United StatesReported employees: 1,001-5,000 | Greenville, SC, United States | 1,001-5,000 | Exact match | 144 contacts → |
“Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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. | |||||
| 16 | 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. | |||||
| 17 | ISS Actionissaction.com HQ: Queens, United StatesReported employees: 201-500 | Queens, United States | 201-500 | Exact match | 128 contacts → |
“ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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. | |||||
| 19 | Premier Security Solutionspremiersecurity.solutions HQ: Burton, MI, United StatesReported employees: 1,001-5,000 | Burton, MI, United States | 1,001-5,000 | Exact match | 103 contacts → |
“OUR MISSION The goal of Premier Security Solutions is to deflect and deter unlawful activity, create a safe environment for your campus, corporation, agricultural site, private…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | American Heritage Protective Services, INCahpservices.com HQ: Alsip, IL, United StatesReported employees: 201-500 | Alsip, IL, United States | 201-500 | Exact match | 97 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | ADM Security Solutionsadmsecuritysolutions.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 94 contacts → |
“Mission Statement “Always Exceed Expectations” ADM Security Solutions exceeds expectations by providing innovative, comprehensive security solutions incorporating high value…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Danner's Incorporateddanners.com HQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 86 contacts → |
“DPS Certificate of Private Security License Number B00257 Whether you own or operate a business, securing and protecting your assets against theft and vandalism is a vital part of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Security USA INCsecurityusainc.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 84 contacts → |
“Security USA®, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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. | |||||
| 25 | 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. | |||||
Showing 25 of 382 company matches
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Port security services: 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
379 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 382 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 port security services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many port security services did RevenueBase find based in the United States?
The saved snapshot records 382 matching company records, 18,583 tracked contacts and 1,637 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
Port security services by geography
- Port security services based in Australia
- Port security services based in Brazil
- Port security services based in Canada
- Port security services based in France
- Port security services based in Germany
- Port security services based in India
- Port security services based in Italy
- Port security services based in the Netherlands
- Port security services based in Switzerland
- Port security services based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 port security services based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/port-security-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗