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Primary Systems designs, installs and supports premier security, life safety, audio/video, and building automation systems for a variety of industries. With more than 30 years experience, Primary Systems is a leader in the field, providing systems that make you more secure, efficient, cost-effective and competitive.



The Right Technology for Your Business

With technology rapidly evolving, Primary Systems will help you choose a system that serves your needs while fitting your budget. Some businesses need  a Prius while others need an Escalade. We provide systems that vary in price and complexity – all that are state-of-the-art.



Education Systems

  • Intercom
  • Clock Systems
  • Auditorium/Gymnasium Sound
  • Media Access Systems
  • Security Systems
  • Fire Alarm
  • Telephony Solutions

Fire Alarm Systems

  • Analog Fire Alarm Systems
  • Central Monitoring
  • Conventional Fire Alarm Systems
  • Design/Build
  • Intelligent Fire Alarm Systems
  • Stand-Alone Device

Healthcare Systems

  • Nurse Call 
  • Infant Abduction
  • Patient Wandering
  • Asset Tracking
  • Telephony Solutions
  • Pocket Paging

Security Systems

  • CCTV
  • Card Access
  • DVR Systems
  • Personal Security
  • ID Badging
  • Keypad Entry

Audio/Visual Systems

  • Overhead Paging
  • Engineered Sound
  • Sound Masking
  • Boardroom Presentation & Control
  • SATV/MATV/CATV
  • Clock Systems

Service Support

  • Service 24 Hours a Day
  • Preventive Maintenance Programs
  • Fire Alarm System Service
  • Nurse Call System Service
  • Security System Service
  • Monitoring Service



Quality Support

At Primary Systems, we believe that the quality of product support is of equal importance to the quality of the products we sell. We provide a full complement of planning, operations management, engineering design and technical service staff to work with our clients throughout the project duration. Our goal is to improve facility performance while keeping your costs low. We focus on your building systems so can focus on your core business functions.



Primary Systems
4000 Green Park Rd.
St. Louis, MO 63125
P: 314-880-9977
F: 314-880-9988


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