ESI Services

Low Voltage

What We Do

ESI performs low-voltage construction services on many of its projects. We provide new installation as well as maintenance, relocation and modifications to existing systems.

Services and Expertise

  • A/V systems
  • Fire alarm
  • HVAC and building automation control
  • Infant alarm
  • Nurse call
  • Security, CCTV and card access
  • Structured cabling and fiber optics
  • Voice-data systems


  • Agriculture
  • Automotive
  • Aviation
  • Casinos and entertainment
  • Central plants, chemical plants and container plants
  • Data centers and high tech
  • Education
  • Health care and pharmaceutical
  • Power generation, pump stations and water facilities

Certified Low-Voltage Professionals

Our certified low-voltage professionals ensure safety and quality for our customers.


Our team includes numerous employees registered and trained through Building Industry Consulting Services International. BICSI provides standards-based design and installation methods for the telecommunications industry.


We also have several in-house members of the National Institute for Certification in Engineering Technologies. NICET certifies individuals designing and installing fire alarm systems and other building systems.


Data Cabling

  • Belden
  • Corning Optical Communications Certified Member
  • Ortronics/Superior Essex
  • Panduit/General Cable


  • Axis
  • Hanwha
  • Panasonic

Access Control

  • S2

Intrusion Detection Systems

  • U.L. CRZH
  • LINX