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Office Hours: Mon-Fri, 8am - 5pm

  • Meet Us

    407 International Pkwy Suite 406, Richardson, Texas 75081

  • Call Us

    Tel: 972.437.5500

    Fax: 972.437.3318


We provide one simple solution for integration and control of HVAC, lighting, security, access control, video surveillance, electrical monitoring, and other building subsystems.

We're proud to exceed expectations within a variety of markets, including:

  • Critical Systems/Data Centers
  • Pharmaceutical Facilities
  • Industrial Sites
  • Hospitality and Entertainment Venues
  • Healthcare Buildings and Campuses
  • Educational Facilities
  • Commercial Office Buildings and Campuses
  • Religious Institutions

To ensure that your facility is properly supported, LSi offers structured technical support programs that include all preventative and scheduled system performance calibrations, and future upgrades.

We offer comprehensive programs tailored to suit your needs, ranging from the Basic Annual Preventative Support Program to our Premium All-Inclusive Support Program.

Building Automation & Controls

When it comes to ease of operation and innovation, no other company or energy management system [...]

HVAC Services

Mechanical Services LSI established our mechanical service department so that we can serve as a [...]

Video Surveillance & Access Control

As the future of smart buildings has evolved, so has the integration of solutions in modern [...]