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View Trust1 Security's top competitors like ADT, Allied Universal Corporation, and Brink’s Inc.

STANLEY Security
STANLEY Security, now Securitas Technology and part of Securitas, is a global provider of integrated security, health, and safety solutions and services. STANLEY Security is trusted by customers across the globe for innovative technology, seamless installation and integration, reliable maintenance, 24/7 monitoring, and insightful analytics. Visit our website at stanleysecurity.com to learn more about us and to explore career opportunities. We invite you to become part of a team that takes pride in the solutions we provide and the customers we service
Fishers, Indiana, US
Private
$11.1M Revenue
http://www.stanleysecurity.com
2.3K Employees
G4S
G4S is the International business of Allied Universal®, the world’s leading security and facility services provider and trusted partner to more than 400 of the Fortune 500. Allied Universal® delivers unparalleled customer relationships, innovative solutions, cutting-edge smart technologies and tailored services that enable clients to focus on their core businesses. With operations in over 100 countries and territories, Allied Universal is the third largest private employer in North America and seventh in the world. Annual revenue is approximately $23 billion. There is no greater purpose and responsibility than serving and helping to safeguard customers, communities and people. For more information, visit g4s.com.
UK
Public
$20B Revenue
http://www.g4s.com
118.5K Employees
LSE:GFS Ticker
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/
26.1K Employees
ADT Ticker

Top Trust1 Security 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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