Company lists · Data refreshed November 2026

Top 25 Port security contractors worldwide

RevenueBase identified 1,299 company matches for port security contractors worldwide as of November 2026 and tracks 34,718 professional contacts across them, including 3,112 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for port security contractors worldwide, 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. Country and city lists for port security contractors follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
1,299Companies
34,718Contacts tracked
3,112Verified emails
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The 25 largest port security contractors worldwide

Ranked by team size
Top 25 of 1,299 company matches for port security contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSt. Petersburg, FL, United StatesHQ recorded Nov 5, 2026n/a4,040 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
2Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,0003,495 contacts →

Exact match

“Global trade has always depended on the port and since 1847 Inchcape Shipping Services has provided the local knowledge and means to deliver port calls that enable business to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchDubai, United Arab EmiratesHQ recorded Nov 5, 20261,001-5,0001,461 contacts →

Exact match

“World Security being a Semi Govt Organization provides specialist turnkey security solutions to the local market and beyond, as well as the Dubai World Group.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchBrazilHQ recorded Nov 5, 20261,001-5,0001,064 contacts →

Exact match

“A ENGEFORT tem a missão de prestar serviços de vigilância patrimonial, escolta de veículos, proteção VIP a executivos, artistas e autoridades.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchOslo, NorwayHQ recorded Nov 5, 20265,001-10,000859 contacts →

Exact match

“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBakirkoy, TürkiyeHQ recorded Nov 5, 20261,001-5,000684 contacts →

Exact match

“Gözen Security Services Inc, is a leading provider of Security Solutions to a wide range of best known national and international organisations operating at different industries…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchOslo, NorwayHQ recorded Nov 5, 20261,001-5,000608 contacts →

Exact match

“Take your port experience further, with the world's largest port network.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202610001+566 contacts →

Exact match

“Tepe Savunma ve Güvenlik, 1993’te Bilkent Holding bünyesinde, Holding ve bağlı şirketlerin özel güvenlik ihtiyaçlarını karşılamak amacıyla faaliyete geçmiş; 1997’de anonim şirket…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchWest Ryde, AustraliaHQ recorded Nov 5, 20261,001-5,000558 contacts →

Exact match

“Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchGardena, CA, United StatesHQ recorded Nov 5, 2026501-1,000507 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
11Exact matchParis, FranceHQ recorded Nov 5, 20261,001-5,000423 contacts →

Exact match

“Surveillance – Sécurité – Sûreté Accueil sécuritaire en entreprise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchRockville Centre, NJ, United StatesHQ recorded Nov 5, 20261,001-5,000287 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
13Exact matchBarrow-upon-humber, United KingdomHQ recorded Nov 5, 20261,001-5,000275 contacts →

Exact match

“We have moved as Profile Security Services is now Proudly OCS.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchRichardson, TX, United StatesHQ recorded Nov 5, 2026501-1,000265 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
15Exact matchEusebio, BrazilHQ recorded Nov 5, 20261,001-5,000265 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Nov 5, 20265,001-10,000239 contacts →

Exact match

“Focus on Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchGuyaquil, EcuadorHQ recorded Nov 5, 20261,001-5,000173 contacts →

Exact match

“Oceansecurity es una empresa dedicada a la venta de servicios de seguridad privada- Seguridad Física - Seguridad de carga - Seguridad electrónica Contamos con más de 15 años en el…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchC.a.b.a., ArgentinaHQ recorded Nov 5, 2026501-1,000173 contacts →

Exact match

“Nuestra Empresa está integrada por especialistas con amplia trayectoria en el desempeño de la vigilancia privada, en el ámbito de las fuerzas de seguridad y en la aplicación de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMonrovia, GuineaHQ recorded Nov 5, 202651-200172 contacts →

Exact match

“Mission Statement: Our Mission is to offer excellent service in each of the security sectors we invest ourselves, in accordance with international standards, thereby developing…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSt.-denis, FranceHQ recorded Nov 5, 20261,001-5,000159 contacts →

Exact match

“Fondée en 1997, notre société familiale de sécurité privée s'est d'emblée investie dans la professionnalisation de ses équipes, accordant la priorité à la qualité de ses services…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchLausanne, SwitzerlandHQ recorded Nov 5, 20261,001-5,000155 contacts →

Exact match

“Securitas est une entreprise de sécurité privée suisse créée en 1907 et active sur tout le territoire national.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchNigeriaHQ recorded Nov 5, 2026201-500152 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBrazilHQ recorded Nov 5, 202610001+147 contacts →

Exact match

“Fundado em 1970, o Grupo Nordeste é composto pela Nordeste Segurança, Transbank e Soservi que, juntas, atendem mais de clientes, com atuação em 14 estados, nas áreas de segurança…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchGardena, CA, United StatesHQ recorded Nov 5, 2026201-500129 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
25Exact matchQueens, United StatesHQ recorded Nov 5, 2026201-500128 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

Showing 25 of 1,299 port security contractors worldwide

See the full list, filter by size, metro and specialty, and access 3,112 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Port security contractors worldwide at a glance

As of Nov 5, 2026
9.0%Verified-email coverage
26.7Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
331
11-50
345
51-200
319
201-500
144
501-1,000
54
1,001-5,000
60
5,001-10,000
8
10001+
6

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for port security contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “port security contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. 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 3,112 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.

Port security contractors by location

5 lists · largest first

Every Port security contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many port security contractors are there worldwide?

RevenueBase identified 1,299 company matches for port security contractors worldwide 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 country has the most port security contractors?

The United States leads with 181 companies, followed by Germany (91) and France (85). Every port security contractors list by country and city is linked on this page.

Which city has the most port security contractors?

Sao Paulo leads with 18 company records, followed by London (17) and Rome (14).

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 3,112 professional contacts with verified work emails tracked across these 1,299 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.

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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.