G4S

Instalarme Soluções Eletrônicas is a security start-up that specializes in sale and installation of alarms.

Quantico Limited offers intellectual property consulting, brand protection commercial investigations.

Ridderikhof Groep offers security services including fire prevention in the form of safety monitoring.

Fidelity Cash Management Services provides cash services in South Africa.

GSL is an international leader in the provision of critical support services for governments, companies and public authorities. Headquartered in Broadway, Worcestershire, UK, GSL employs approximately 9,000 staff in the UK, Australia and South Africa.

SSE Do Brasil Ltda is a company that was acquired by G4S in 2010.

The Cotswold Group is an investigation company that provides exceptional results via its specialist investigation & intelligence services. The company specializes in intelligence led fraud and liability investigations across the public and private sector, working for a range of industries, including some of the world's largest insurance companies, corporate businesses and local authorities. The Cotswold Group directly employs over 325 staff members including an experienced team of Field Investigators, a dedicated desktop team and a specialist research and intelligence department.

RONCO Consulting Corporation is a defense & space company that provides web design and hosting services. RONCO Consulting Corporation, an international professional services firm based in Washington, D.C. and founded in 1974, currently specializes in humanitarian and commercial mine action and ordnance disposal, security assistance, canine detection services, and specialized training.

Hill & Associates operating in a volatile business environment means challenges can spring up without warning. Deep local knowledge allows us to react swiftly and effectively, no matter where, how or why the crisis has arisen. We have helped our clients: Carry out a series of threat, vulnerability and risk assessments across a portfolio of hotels Design and train crisis management plans for relevant business risks covering information security, cyber security, fires, floods, medical emergencies, earthquakes, civil unrest and criminal threats Manage security and logistics for a corporate event with thousands of attendees Protect personnel during periods of transition, downsizing and restructuring Assess locations and evaluate facilities’ access points, perimeter and environment Provide comprehensive risk assessments, crisis planning, and training for many international schools across Asia

Wackenhut De Colombia provides cash processing and transportation, logistics, information backup.

Nuclear Security Services Corporation is known for detection and assessment systems for high level security facilities in the U.S.

Adesta integrates some of the most complex communications and security systems in the industry today. They offer a truly converged solution, along with strong project management expertise and superior customer service. Adesta can envision, design, build and maintain systems to meet all their customers' needs – regardless of the size, complexity or location of the project. Their knowledge of a wide range of technologies, products and systems, combined with strict attention to design details, provides cost-effective, reliable and scalable solutions.

Touchcom, Inc is installs and maintains web-based electronic security systems and facility management software.

G4S NSSC, Inc. provides security products and services to regulated and nuclear industries. The company provides design & engineering, technology integration, and maintenance and support services. It offers video capture system that provides pre and post-alarm event capture, recording, and storing of video from cameras for rapid alarm assessment; and ADANS, an advanced detection, assessment, and neutralization system that provides early detection of adversaries approaching the perimeter.

First Security SPRL provides personal and real estate security services.

Plantech Engenharia e Sistemas is an integrator in the Brazilian security systems market.

OneService, Inc provides insured shipping solutions to the jewelry industry.

ArmorGroup offers defensive and protective security services to national governments, multinational corporations.

Sunshine Youth Services offers child related social services.

All Star International, Inc. provides facilities operations and maintenance, military family housing maintenance, renovation and privatization, logistics, aerospace support, construction, vehicle and fleet operations and maintenance, integrated facilities maintenance, and medical facilities support services worldwide. Its services include property, energy, construction, supply, fuels, and traffic management; utility, uninterruptible power, fire detection/prevention, electrical, water, sewer line, medical gas, and distribution systems, as well as utilities, roads, grounds, transportation, emergency lights, transformers, medical and non-medical equipment, elevators, air handling controls, and government defense medical logistics standard support database maintenance, repair, installation, operation, engineering, replacement, and support; air crew and passenger billeting, processing, and transport; and cargo management, movement, loading, and control. Its services also comprise custodial, security, range support, calibration, fueling, change of occupancy, mail, vending, capital planning and budgeting, reprographics, scientific lab analysis, sanitary and wastewater systems, refuse collection and recycling, inventory control, security alarm systems, pest control, hazmat control, warehousing, crating, packing and distribution, combat readiness support, air terminal operations, military unit deployment processing, transient aircraft support, fuel and cryogenic storage, restoration, food service equipment, materials control, medical waste disposal, and building renovation and restoration. It serves contracts and customers on an international, national, regional, or local basis. The company was founded in 1983 and is based in San Diego, California with regional offices in Fort Worth, Texas; and Kaiserslautern, Germany. All Star International, Inc. operates as a subsidiary of G4S Government Solutions, Inc.