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last updated 23-May-2021

List / Directory of Private (Field) Security Companies (contractors, firms) or PSCs. Indeed, sometimes PSCs are referred to as PMCs or PMSCs, and vice versa. It is also sometimes complex to distinguish between 'private military' and 'private security' capabilities, particularly when firms operate in dangerous environments. Therefore, it is perhaps better for you to focus on the services they offer, and if you fail to find the solution you were looking for, check our other directories.

PSCs: O - Z


Ocean5 Ltd

This company is no longer active - This listing is preserved for research purposes

Formed in 1998, Ocean5 is an independent security and risk management company that offers a discreet and essential service to corporations and individuals seeking to operate safely, efficiently and without disruption in the world's most problematic environments. [Information retrieved from the company's website in October 2005]:


Overwatch Protection Solutions International (OPSI)

This company is no longer active - This listing is preserved for research purposes

OPSI is a protective services company, providing a full compliment of protection and special security services for the U.S. government, corporate clients, and individuals: Executive Protection, Personal Security, Domestic Intelligence, Stalker Threat, Bail Fugitive Recovery, and Specialized Services [Information retrieved from Ithe company's website in May 2006]:


Pinkerton Consulting & Investigations Inc

Pinkerton, which was acquired by Securitas AB in 1999, is a leading provider of comprehensive risk management services and solutions for organizations around the globe, with an ancestry going back to 1850 when Allan Pinkerton founded Pinkerton's National Detective Agency. In designing our specialized solutions, we take a knowledge-based approach that leverages 165+ years of legacy and institutional knowledge to serve the entire spectrum of client's needs including Risk Advisory, Security Management, Protective Services, Corporate Investigations, Background Checks and Due Dilligence, Response Services and protective Intelligence. [Information retrieved from the company's website in September 2020]:


Prevent International B.V.

Prevent beschikt over de internationale Certificering ISO31000 (G31000) Risico Management, naast de Vergunning Ministerie van Justitie: POB699. Risicoanalyse; Als u Prevent inschakelt voor uw beveiliging gaan we eerst in gesprek. U leert Prevent beter kennen en we leggen graag uit wat Prevent voor u kan betekenen. Prevent beveiligt gezinsleden van welgestelde families. Prevent kan voor u optreden als tussenpersoon voor diverse partijen in de beveiliging waar u mee te maken heeft. [Information retrieved from the company's website in September 2020]:


Prime Defence International Ltd (PDI)

Transient corporate identity no longer active - This listing is preserved for research purposes

PDI was established in 2007 as a partnership between a core group of former Elite British Military personnel, the projects development consultancy CWC Gulf International , and a well established Security Services Organisation. Services listed: Training, Close Protection, Kidnap & Ransom, Oil & Gas Security , Maritime Security, Aviation Security, Forensic IT, Consultancy, and Specialist Sectors [Information retrieved from the company's website in July 2009]


The Risk Advisory Group (Holdings) Ltd

Risk Advisory provides intelligence, investigations and security management to support organisations dealing with complex international threats. The company's services cover Security intelligence, consultancy, management, and training, as well as Cyber security, Political risk, Embedded analysts, and Protective intelligence. We have over 25 nationalities represented across our expert multi-disciplinary teams. We possess excellent language capabilities, contacts and local understanding. [Information retrieved from the company's website in September 2020]:


Ronin Worldwide Executive Protection, LLC

Ronin Worldwide Executive Protection consults with governmental agencies, state agencies, corporations and individuals to provide strategic planning and threat awareness training. We are a Pentagon registered PMC. Tier One Certified bodyguards and private military contractors available for worldwide deployment. For most local work in United States, we use only the most experienced operators. For work overseas we have extensive contacts in a variety of countries should the need arise for you to travel to these regions. [Information retrieved from the company's website in September 2020]:


RUSCORP Group / RUSCORP International Ltd

The relevant registry shows the company as active as of June 2020, though their online presence has been a blank page for a while - This listing is preserved for reference purposes

RUSCORP is an international security company with its headquarters based in Moscow, Russia we have representative offices in UK, Europe, Africa and USA. We provide specialist risk mitigation and training services to commercial, governmental and private clients nationally and internationally Services: Business Intelligence, Research, Project Management, Integrated Services, Special Projects and 'Hearts and Minds'. [Information retrieved from the company's website in January 2012]:


Securitas AB

In the early 1900's, private security companies became increasingly common, primarily keeping watch for fires and guarding entrances and gates. Today, security solutions are designed to meet specialized customer demands and the industry is led by a few international focused security companies, among them Securitas. The company's security solutions, which include a high degree of advanced technology content, include Aviation Security, Canine Services, Corporate Risk Management, Executive Protection, Mobile Services, Remote Video Solutions, Screening Services, Alarm Services/Operation Center, Security Consulting, Specialized Guarding, and Track and Trace Services. [Information retrieved from the company's website in September 2020]:


STEELE International, Inc / Steele CSS, Corporate Security Solutions / The Steele Foundation

The enterprise evolved into FirstCall in May 2017 - This listing is preserved for reference purposes

Headquartered in San Francisco with 16 strategic regional offices worldwide and maintaining expert local resources on the ground in the United States, Europe, Latin America, the Middle East and Asia. STEELE provides crisis and risk management services, The company's three core practices of business investigations, consulting solutions, and strategic security service help clients mitigate exposure and minimize loss, both financially and physically. [Information retrieved from the company's website in September 2011]:


Tactical Solutions International Inc (TSI)

TSI combines the skills, capabilities and experience of legacy organizations such as Tactical Training International LLC, Burris Security Services LLC, Wind River GunWorx, Burris Energetics, Crowheart Consulting, High Altitude Mountain Training Center (HAMTC) and their affiliates with its own internal specialty divisions in order to provide our clients with a single partner possessing global project experience. Our grouping of services span a broad range of synergistic solutions, including advanced training capabilities, logistics and life support, UAV systems, global tracking technology, energetics and weapons manufacturing, less lethal supply, information security services and crisis response mitigation. [Information retrieved from the company's website in September 2020]:


Thor Executive Security Teams / T-H-O-R Executive

The status of this enterprise is unknown - This listing is preserved for research purposes

T-H-O-R, founded in 2005, offers fully developed, cohesive teams of experienced people (both corporate and security), each bringing in his own specialty and providing risk management consultancy supported by security solutions. [Information retrieved from the company's website in March 2007]:


Vance International Inc.

Garda World Security Corp completed the acquisition of Vance in January 2006 - This listing is preserved for research purposes

Vance was founded in 1984 and now unifies the complementary expertise of Vance International, Decision Strategies, and Fairfax Consulting. The company's targeted services include Risk Analysis and Planning, Business Intelligence and Due Diligence, Education and Training, Contingency Planning and Response, Uniformed Protection, Executive Protection, Labor Unrest Protection, Security and Intelligence in High-Risk Markets, Monitoring and Compliance, Investigation, and Digital Security and Investigation. [Information retrieved from the company's website in December 2005]:


The Wackenhut Corporation / G4S Wackenhut

The Wackenhut Corporation merged with Group 4 Falck in 2002, the later becoming G4S following their merger with Securicor in 2004. Wackenhut remains a fully own subsidiary of G4S. With roots dating back to 1958, G4S Wackenhut has provided a variety of security, safety and technology services in South Florida. The company's security services include: armed and unarmed security officer programs, risk consulting, security systems installation and integration, access control and video monitoring. [Information retrieved from the company's website in September 2020 and research on the company's history /]:


This is a sample list and not an exhaustive resource. While some of the entities listed above are key players and/or have been discussed in the debate on the topic, some other are emerging entities or have been incorporated into the list by request. This is a professional resource and we are simply trying to help you find the company and/or service you were looking for, be that for research or business purposes. For further information on a particular company, service, or unit, please contact the respective source.

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