who we are?

For over 20 years NSI-Systems Inc. has provided professional security services for the California Bay Area. We use the leading technology in IP Access Control and IP Video, as well as closed circuit television (CCTV), access control, and integrated security systems for comercial, government, and multinational corporations.


“Our mission is to secure and protect our customers with the most cost effective technology for their company and employees.”

Our Vision: To be the National security company that provides the best protection and installations for commercial properties. With second to second response time to keep your business safe from harms way; we use the leading technology in closed circuit television (CCTV), access control, and integrated security systems for government and multi-national corporations. We provide full system design, installation and 24-hour service.

NSI-Systems Professionals: Our Technicians are fully train and certified on every systems we install, along with the installing of electrified lock hardware of all types( Von Duprin, Adams Rite, Schlage ect.) Our sales team members are knowledgeable and service driven professionals. NSI is committed to reaching 100% satisfaction with every service rendered and we strive to always provide the highest quality of service. We pride ourselves on building long term partnerships with our clients through unparallel customer service and performance.


IP Video

  • Software Integration
  • Enterprise Web Browser Based
  • Open Platform
  • Camera Installation
  • Multiplexed & Recording Systems
  • NVR & NAS Solutions
  • IP & Megapixel Camera Installation.

System Integration

  • Customized Software Integration
  • Open Platform Integration
  • Reports, HR, & Building Automation
  • Service Agreement Plans
  • 24-hour Account Service
  • NVR & DVR Solution


  • Consulting, Design and Engineering Services
  • PTZ and Fixed Camera Installation and Services
  • Digital and Analog Video Multiplexed and Recor
  • ding Systems
  • Digital Video Enterprise Systems
  • NVR & DVR Solution
  • Analog Camera Applications
  • Hybrid DVR Systems (IP/ Analog)

Access Control

  • Consulting, Design and Engineering
  • Enterprise Systems
  • Parking Garage Barrier Arm Installation
  • Web Based Access Control Systems
  • Emergency Phone Systems
  • Turnstile Installation
  • Photo ID Systems
  • Asset Control Management Systems