low voltage systems

By: Lei Companies  09-12-2011

We are a leading low voltage and special systems contractor, providing quality installations for fire alarm, sound, security, temperature controls and others. We specialize in the planning, selection, installation and service of low voltage systems used in commercial and industrial applications. Our experience and the high profile nature of our completed work puts our clients at ease with our design and installation of systems designed to protect life, enhance quality of living and secure sensitive areas.

We offer the following low voltage systems:

  • Fire alarm systems (NICET certified installers)
  • Smoke control systems
  • Building automation and temperature control systems
  • Telecommunication systems
  • Data and networking systems
  • Security systems including detention facilities
  • Sound and audio visual systems
  • Access control systems
  • Closed circuit TV systems
  • Nurse call systems
  • Intercom systems

Other products and services from Lei Companies



As a prime contractor for the federal, state and local government, LEI excels at executing a multitude of diverse projects from mechanical and electrical installations, to construction management and general construction jobs that require supervision of other specialized trades and subcontractors.


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