Welcome to Global Security and Investigative Services, a distinguished group of professional Texas-licensed private investigators and security personnel. Our team comprises experts in …

Oct 10, 2025 · The global private security industry continues to expand as organizations, government bodies, and individuals prioritize safety amid rising physical and cyber threats. …

Allied Universal® is one of the leading security companies that provides innovative security services and solutions to protect people, businesses, and communities worldwide.

We provide physical security, cyber security, and risk management strategies designed for corporate, private, and high-net-worth clients. Our Protective Security services mitigate risk …

Dec 25, 2025 · From traditional armed transport services to cutting-edge information security solutions, these companies represent innovation and reliability in an ever-evolving security …

Securitas is a leading provider of custom security & guarding solutions. Explore our protective services, including on-site guarding, mobile patrol, and more.

Titan Security Global is an international security contractor with long-standing security networks and partnerships in important Texas cities like Houston, San Antonio and Dallas.

We provide professional and reliable commissioned and non-commissioned security guards as well as Off Duty Police Officers for a variety of industries. All of our security guards and …

Explore our list of security companies, featuring the top 50 globally. Total number of security companies worldwide is 279 thousand.

GSPG, headquartered in Houston, is licensed to provide executive protection in Texas, with the ability to deliver consulting and counter-surveillance services worldwide. Their client base...