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View Barrier Security Services's top competitors like ADT, AVS Security Systems, and Control Risks.

ADT
ADT is the most trusted name in smart home security, helping protect and connect what matters most at home and beyond. When Every Second Counts, Count on ADT 💙.
Boca Raton, Florida, US
Public
$5.1B Revenue
https://www.adt.com/
26K Employees
ADT Ticker
G4S
G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security solutions that allow clients to focus on their core business. Through a global workforce of approximately 800,000 people, we leverage best practices in communities all over the world. With revenues at approximately $20 billion, we are supported by efficient processes and systems that can only come with scale to help deliver our promise locally: keeping people safe so our communities can thrive. For more information on G4S, visit www.g4s.com.
UK
Public
$20B Revenue
http://www.g4s.com
118.1K Employees
LSE:GFS Ticker
Transnet SOC Ltd
As the custodian of ports, rail and pipelines, Transnet’s objective is to ensure a globally competitive freight system that enables sustained growth and diversification of the country’s economy. As a state-owned company, Transnet continues to leave an indelible mark on the lives of all South Africans. With a geographical footprint that covers our entire country, Transnet is inextricably involved in all aspects of life in South Africa. Through the Transnet Foundation - which is the Corporate Social Investment arm of Transnet - we have invested time and money in several diverse programmes around the country that provide much-needed succour to our communities. Looking ahead, Transnet is focused on modernizing infrastructure, driving growth, and enhancing efficiency through strategic partnerships. Our vision is clear: to contribute meaningfully to South Africa’s economic aspirations through sustainable growth and modernization.
Johannesburg, ZA
Private
$4.4B Revenue
http://www.transnet.net
28K Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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