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last updated 23-May-2021

List / Directory of Private 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: A - B


AEGIS / Aegis Group
GardaWorld completed the acquisition of the Aegis Group in October 2015, though as of August 2020 they continued to operate as Aegis in Southern Iraq- This listing is preserved for research purposes

Aegis's tailored protective security services help our clients to operate in complex and high-threat environments. Our security solutions are based on a comprehensive analysis of the client's needs. These services include: Convoy Protection, Explosive Detection Dogs Teams, Mobile Security, and Static Security. [Information retrieved from Protective Services on April 26, 2015]:


AGS (AECOM Government Services)
In February 2020, American Securities LLC and Lindsay Goldberg LLC completed the acquisition of AECOM's Management Services business. Amentum is the corporate entity that emerged out of this transaction - This listing is preserved for research purposes

We have operated around the world in harsh climates, with short deadlines, and in combat situations. Our program management strategies and innovations have saved governments and commercial clients millions of dollars while delivering higher than expected levels of service. AGS is the government services arm of AECOM, delivering services that include Program Management, Operations & Maintenance, Security & Force Protection, Logistics, Training Support, and Communications & IT. [Information retrieved from the company's website in September 2005 and January 2009]:


Allied Universal

Allied Universal specializes in providing comprehensive security services and systems in a wide variety of markets and industries. With offices located throughout the nation as well as in Canada, Mexico, and the United Kingdom, the company is responsible for protecting more than 50,000 client sites. For more than 60 years, they have been providing customized physical security solutions to meet the specific needs of large and small organizations, combining the right personnel, training and technology with the responsiveness of local and site management. [Information retrieved from the company's website in September 2020]:


Andrews International (AI)
In July 2018, Allied Universal agreed to acquire U.S. Security Associates from Goldman Sachs including Andrews International- This listing is preserved for research purposes

As the global arm of U.S. Security Associates (USSA), Andrews International (AI) is a full service provider of security and risk mitigation services; and one of the ten largest private security service providers in the United States. The firm's portfolio of services includes uniformed security, consulting and investigations, personal protection, special event security, disaster and emergency response, and specialized training services in all 50 U.S. states, Latin America, and nearly 150 strategic partners around the world. [Information retrived from the company's website in July 2018 and June 2009]:


ArmorGroup International Plc
On May 7, 2008, G4S completed the acquisition of ArmorGroup - Listing preserved for research purposes

ArmorGroup has over 8,000 highly trained and experienced employees and offices in 38 countries. ArmorGroup is one of the world's largest private security companies with extensive operations in some of the world's most hazardous environments including Afghanistan, Iraq, Nigeria and Sudan. ArmorGroup provides five core service lines: Protective security, Risk management consultancy, Security training, Development, humanitarian and reconstruction support, and Weapons Reduction and Mine Action Services. ArmorGroup was also the Services Division of Armor Holdings Inc. [Information retrived from the company's website in March 2008]:


Armor Holdings Inc
On July 31, 2007, BAE Systems completed the acquisition of Armor Holdings Inc., which was integrated into BAE Systems Land and Armaments - Listing preserved for research purposes.

Armor Holdings is a leading manufacturer and provider of specialized security products; training and support services related to these products; vehicle armor systems; military helicopter seating systems, aircraft and land vehicle safety systems; protective equipment for military personnel; and other technologies used to protect humans in a variety of life-threatening or catastrophic situations. Our products and systems are used domestically and internationally by military, law enforcement, security and corrections personnel, as well as governmental agencies, multinational corporations and individuals. [Information retrived from the company's website in February 2007]:


Beau Dietl & Associates (Private Investigator NYC)

Beau Dietl & Associates is a premier security and investigations company headquartered in New York City with offices in New Jersey, Miami, and Beijing, China. Founded in 1985, our expertise and experience, combined with our extensive network of global partners and affiliates allows us to operate not only in United States, Central and Southern America, but also on a global scale.The company's security services include Security Officers, New Site Development, Executive Protection, Security Technology, School Vulnerability Assessments, Threat & Risk Assessment, Technical Surveillance Countermeasures, and Temperature Screening Services. [Information retrieved from the company's website in September 2020]:


Brink's Inc / The Brink's Company

The Brink's Company is the global leader in total cash management, route-based secure logistics and payment solutions including cash-in-transit, ATM services, cash management services (including vault outsourcing, money processing and intelligent safe services), and international transportation of valuables. Our customers include financial institutions, retailers, government agencies (including central banks), mints, jewelers and other commercial operations around the world. With a global network of operations in 49 countries, Brink's Global Services specialises in the secure transportation and handling of valuable goods throughout your logistics value chain [Information retrieved from the company's website in September 2020]:


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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