Company lists · Data refreshed September 2026
Top 24 Vessel security services based in the United States
RevenueBase identified 76 company matches for vessel security services associated with the United States as of September 2026 and tracks 2,090 professional contacts across them, including 201 with verified work emails and 594 with mobile numbers. Miami is the largest hub.
This list covers company matches for vessel 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 September 14, 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 24 largest vessel security services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 484 contacts → | ||||
Exact match “American Guard Services is an established, reliable and accredited security protection firm.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 2 | 275 contacts → | ||||
Exact match “Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 3 | 171 contacts → | ||||
Exact match “Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 4 | 118 contacts → | ||||
Exact match “MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 5 | 113 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 · Sep 14, 2026 · View company records in RevenueBase | |||||
| 6 | 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 · Sep 14, 2026 · View company records in RevenueBase | |||||
| 7 | 80 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 · Sep 14, 2026 · View company records in RevenueBase | |||||
| 8 | 72 contacts → | ||||
Exact match “Execushield Inc, headquartered in California, provides professional security services to both American and international clients.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 9 | 65 contacts → | ||||
Exact match “Maritime Security Services.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “Six Maritime is a service disabled, veteran-owned maritime security and training company specializing in advanced waterfront protection, autonomous systems integration, and…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 11 | 35 contacts → | ||||
Exact match “Pinnacle Security & Investigation Inc.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 12 | 31 contacts → | ||||
Exact match “ESPADA is a proven international security and logistics company that provides superior service in all types of environments.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 13 | 16 contacts → | ||||
Exact match “In 2009, Meridian.us was formed to provide a cost-effective solution to combating piracy.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Since March of 2011, Seaguard Security LLC (SGS) has specialized in providing affordable armed security solutions for vessels operating in high-risk waters including the Gulf of…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “Personal Protective Services Inc is a security and investigations company based out of Oakland, California.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “OUR COMMITMENT TO OUR CUSTOMERS Seamar aspires to deliver a safe and efficient marine service to our customers, year in and year out.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “S1 Security Group is a company based out of 2665 S Bayshore Dr, Miami, Florida, United States.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “We offer a wide range of services including but not limited to: armed/unarmed guards, maritime escort & security services, rover patrols, and walkthroughs.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Sedna Global provides a more modern, cohesive, and robust approach to maritime risk.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “At Safeguard America, Inc, we specialize in comprehensive security solutions and reliable transportation services, ensuring safety and efficiency for every journey.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “At Navigo, we pride ourselves on offering a comprehensive range of services aimed at optimizing port calls, mitigating risks, and ensuring the close following of your vessel.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “IMI Security Service offers training and consultant solution in maritime and corporate security.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 14, 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 “vessel 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 24 of 76 vessel security services based in the United States
See the full list, filter by size, metro and specialty, and access 201 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Vessel security services based in the United States at a glance
As of Sep 14, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 17.0dCompany record updated
Median 78.0dHow 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 “vessel 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 201 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 14, 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 “vessel security services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many vessel security services are there based in the United States?
RevenueBase identified 76 company matches for vessel security services associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
American Guard Services, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most vessel security services?
Miami leads with 3 company records, followed by New Haven (2) and Orlando (2).
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 201 professional contacts with verified work emails tracked across these 76 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 76 vessel security services based in the United States. Start with a free account, no credit card.
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Vessel security services 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
- Vessel security services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
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Company intelligence · public preview
Top 24 vessel 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 76 matching company records for vessel security services based in the United States, with 2,090 tracked contacts and 201 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 14, 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 24 vessel 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 |  American Guard Services, INCamericanguardservices.comHQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 484 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Doyle Security Services, Inc. DSSdoylesecurityservices.comHQ: Rockville Centre, NY, United StatesReported employees: 1,001-5,000 | Rockville Centre, NY, United States | 1,001-5,000 | Exact match | 275 contacts → |
“Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  TOP Guard Securitytopguardinc.comHQ: Norfolk, VA, United StatesReported employees: 501-1,000 | Norfolk, VA, United States | 501-1,000 | Exact match | 171 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  MPS Security & Protectionsecurity-mps.comHQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 118 contacts → |
“MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ISS Actionissaction.comHQ: Queens, United StatesReported employees: 201-500 | Queens, United States | 201-500 | Exact match | 113 contacts → |
“ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Danner's Incorporateddanners.comHQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 80 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 · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Execushield INCexecushield.comHQ: Burlingame, CA, United StatesReported employees: 201-500 | Burlingame, CA, United States | 201-500 | Exact match | 72 contacts → |
“Execushield Inc, headquartered in California, provides professional security services to both American and international clients.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Trident Group America, INCgotridentgroup.comHQ: Fort Walton Beach, VA, United StatesReported employees: 51-200 | Fort Walton Beach, VA, United States | 51-200 | Exact match | 65 contacts → |
“Maritime Security Services.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  SIX Maritimesixmaritime.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 40 contacts → |
“Six Maritime is a service disabled, veteran-owned maritime security and training company specializing in advanced waterfront protection, autonomous systems integration, and…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Pinnacle Security INCsecuritybypinnacle.comHQ: Metairie, LA, United StatesReported employees: 201-500 | Metairie, LA, United States | 201-500 | Exact match | 35 contacts → |
“Pinnacle Security & Investigation Inc.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Espada Logistics & Security Groupespadaservices.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 31 contacts → |
“ESPADA is a proven international security and logistics company that provides superior service in all types of environments.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  meridian.usmeridian.usHQ: Mobile, AL, United StatesReported employees: 51-200 | Mobile, AL, United States | 51-200 | Exact match | 16 contacts → |
“In 2009, Meridian.us was formed to provide a cost-effective solution to combating piracy.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Seaguard Securityseaguardsecurity.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 16 contacts → |
“Since March of 2011, Seaguard Security LLC (SGS) has specialized in providing affordable armed security solutions for vessels operating in high-risk waters including the Gulf of…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Personal Protective Services INCpersonalprotective.comHQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 14 contacts → |
“Personal Protective Services Inc is a security and investigations company based out of Oakland, California.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Seamar LLCseamarllc.comHQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 13 contacts → |
“OUR COMMITMENT TO OUR CUSTOMERS Seamar aspires to deliver a safe and efficient marine service to our customers, year in and year out.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  S1 Security Group INCs1securitygroup.comHQ: Doral, FL, United StatesReported employees: 201-500 | Doral, FL, United States | 201-500 | Exact match | 9 contacts → |
“S1 Security Group is a company based out of 2665 S Bayshore Dr, Miami, Florida, United States.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tower Security Company LLCtowersecurity.netHQ: Beaumont, TX, United StatesReported employees: 201-500 | Beaumont, TX, United States | 201-500 | Exact match | 8 contacts → |
“We offer a wide range of services including but not limited to: armed/unarmed guards, maritime escort & security services, rover patrols, and walkthroughs.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Sednaglobalsednaglobal.comHQ: Clearwater, FL, United StatesReported employees: 1-10 | Clearwater, FL, United States | 1-10 | Exact match | 5 contacts → |
“Sedna Global provides a more modern, cohesive, and robust approach to maritime risk.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Safeguard America, Inc. DBA Americas Transportationamericastransportation.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 5 contacts → |
“At Safeguard America, Inc, we specialize in comprehensive security solutions and reliable transportation services, ensuring safety and efficiency for every journey.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Navigo Maritime Solutions Vessel Agencynavigo.worldHQ: Houston - Beaumont - Lake Charles - New Orleans, United StatesReported employees: 1-10 | Houston - Beaumont - Lake Charles - New Orleans, United States | 1-10 | Exact match | 4 contacts → |
“At Navigo, we pride ourselves on offering a comprehensive range of services aimed at optimizing port calls, mitigating risks, and ensuring the close following of your vessel.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Ascension Protective Services, INCascensionpsc.comHQ: Speeedway, IN, United StatesReported employees: 51-200 | Speeedway, IN, United States | 51-200 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  IMI Securityimisecurity.comHQ: Memphis, TN, United StatesReported employees: 11-50 | Memphis, TN, United States | 11-50 | Exact match | 1 contacts → |
“IMI Security Service offers training and consultant solution in maritime and corporate security.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Oceanriver LLCoceanriverllc.com HQ: Jacksonville, FL, United StatesReported employees: Not recorded | Jacksonville, FL, United States | Not recorded | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 24 of 76 company matches
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Vessel security services: dataset insights
September 14, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
75 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 17.0dCompany record updated
Median 78.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 14, 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 vessel 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 vessel security services did RevenueBase find based in the United States?
The saved snapshot records 76 matching company records, 2,090 tracked contacts and 201 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 14, 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
Vessel security services by geography
Cite this list
RevenueBase Data Team. Top 24 vessel security services based in the United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/vessel-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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Vessel security services based in the United Kingdom
- 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 24 vessel security services based in the United States
RevenueBase records 76 matching company records for vessel security services based in the United States, with 2,090 tracked contacts and 201 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 14, 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 24 vessel 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 | American Guard Services, INCamericanguardservices.com HQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 484 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Doyle Security Services, Inc. DSSdoylesecurityservices.com HQ: Rockville Centre, NY, United StatesReported employees: 1,001-5,000 | Rockville Centre, NY, United States | 1,001-5,000 | Exact match | 275 contacts → |
“Welcome to Doyle Security Services (DSS) where a team of responsive security professionals stands ready to meet your needs in this ever-changing business environment.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | TOP Guard Securitytopguardinc.com HQ: Norfolk, VA, United StatesReported employees: 501-1,000 | Norfolk, VA, United States | 501-1,000 | Exact match | 171 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | MPS Security & Protectionsecurity-mps.com HQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 118 contacts → |
“MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ISS Actionissaction.com HQ: Queens, United StatesReported employees: 201-500 | Queens, United States | 201-500 | Exact match | 113 contacts → |
“ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Danner's Incorporateddanners.com HQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 80 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 · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Execushield INCexecushield.com HQ: Burlingame, CA, United StatesReported employees: 201-500 | Burlingame, CA, United States | 201-500 | Exact match | 72 contacts → |
“Execushield Inc, headquartered in California, provides professional security services to both American and international clients.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Trident Group America, INCgotridentgroup.com HQ: Fort Walton Beach, VA, United StatesReported employees: 51-200 | Fort Walton Beach, VA, United States | 51-200 | Exact match | 65 contacts → |
“Maritime Security Services.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SIX Maritimesixmaritime.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 40 contacts → |
“Six Maritime is a service disabled, veteran-owned maritime security and training company specializing in advanced waterfront protection, autonomous systems integration, and…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pinnacle Security INCsecuritybypinnacle.com HQ: Metairie, LA, United StatesReported employees: 201-500 | Metairie, LA, United States | 201-500 | Exact match | 35 contacts → |
“Pinnacle Security & Investigation Inc.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Espada Logistics & Security Groupespadaservices.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 31 contacts → |
“ESPADA is a proven international security and logistics company that provides superior service in all types of environments.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | meridian.usmeridian.us HQ: Mobile, AL, United StatesReported employees: 51-200 | Mobile, AL, United States | 51-200 | Exact match | 16 contacts → |
“In 2009, Meridian.us was formed to provide a cost-effective solution to combating piracy.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Seaguard Securityseaguardsecurity.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 16 contacts → |
“Since March of 2011, Seaguard Security LLC (SGS) has specialized in providing affordable armed security solutions for vessels operating in high-risk waters including the Gulf of…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Personal Protective Services INCpersonalprotective.com HQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 14 contacts → |
“Personal Protective Services Inc is a security and investigations company based out of Oakland, California.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Seamar LLCseamarllc.com HQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 13 contacts → |
“OUR COMMITMENT TO OUR CUSTOMERS Seamar aspires to deliver a safe and efficient marine service to our customers, year in and year out.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | S1 Security Group INCs1securitygroup.com HQ: Doral, FL, United StatesReported employees: 201-500 | Doral, FL, United States | 201-500 | Exact match | 9 contacts → |
“S1 Security Group is a company based out of 2665 S Bayshore Dr, Miami, Florida, United States.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tower Security Company LLCtowersecurity.net HQ: Beaumont, TX, United StatesReported employees: 201-500 | Beaumont, TX, United States | 201-500 | Exact match | 8 contacts → |
“We offer a wide range of services including but not limited to: armed/unarmed guards, maritime escort & security services, rover patrols, and walkthroughs.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sednaglobalsednaglobal.com HQ: Clearwater, FL, United StatesReported employees: 1-10 | Clearwater, FL, United States | 1-10 | Exact match | 5 contacts → |
“Sedna Global provides a more modern, cohesive, and robust approach to maritime risk.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Safeguard America, Inc. DBA Americas Transportationamericastransportation.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 5 contacts → |
“At Safeguard America, Inc, we specialize in comprehensive security solutions and reliable transportation services, ensuring safety and efficiency for every journey.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Navigo Maritime Solutions Vessel Agencynavigo.world HQ: Houston - Beaumont - Lake Charles - New Orleans, United StatesReported employees: 1-10 | Houston - Beaumont - Lake Charles - New Orleans, United States | 1-10 | Exact match | 4 contacts → |
“At Navigo, we pride ourselves on offering a comprehensive range of services aimed at optimizing port calls, mitigating risks, and ensuring the close following of your vessel.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ascension Protective Services, INCascensionpsc.com HQ: Speeedway, IN, United StatesReported employees: 51-200 | Speeedway, IN, United States | 51-200 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | IMI Securityimisecurity.com HQ: Memphis, TN, United StatesReported employees: 11-50 | Memphis, TN, United States | 11-50 | Exact match | 1 contacts → |
“IMI Security Service offers training and consultant solution in maritime and corporate security.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Oceanriver LLCoceanriverllc.com HQ: Jacksonville, FL, United StatesReported employees: Not recorded | Jacksonville, FL, United States | Not recorded | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 24 of 76 company matches
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Vessel security services: dataset insights
September 14, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
75 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 17.0dCompany record updated
Median 78.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 14, 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 vessel 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 vessel security services did RevenueBase find based in the United States?
The saved snapshot records 76 matching company records, 2,090 tracked contacts and 201 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 14, 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
Vessel security services by geography
Cite this list
RevenueBase Data Team. Top 24 vessel security services based in the United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/vessel-security-services/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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