Security Services (American Security, L.L.C.)

Marsden Services provides uniformed security officers to protect critical facilities for customers spanning all industries and facility types. Over 50 years of experience provides our customers an advantage with a security solution designed to meet their specific facility needs based on a comprehensive understanding of their total environment.

No other company has a stronger commitment to reinvesting in its infrastructure. We are security professionals who are firmly committed to providing our clients with the best Uniformed Security Guard and Mobile Patrol services available in the industry.

Physical Security


  • Plain Clothes
  • Interviews
  • Background Checks
  • Surveillance
  • Fingerprinting

IP Technology

  • System Integration
  • Camera
  • Remote Monitoring
  • Data Storage
  • Access Control
  • Alarm Systems