SINCE 1910

OVER A CENTURY OF INNOVATIVE ENGINEERING SOLUTIONS


Since 1910, LLI Engineering has been consistently recognized for providing top-quality engineering design services. We specialize in commercial, critical facilities, infrastructure upgrades, green building design, energy conservation modifications, project engineering, engineering estimates, and combined heating cooling power plants. 

 

COMMISSIONING / LEED

Recommissioning Programs
LEED

ELECTRICAL ENGINEERING

Building Power Systems
Campus Power Distribution
Lighting
Emergency Power
Uninterruptable Power Supply Systems
Low Voltage Systems

MECHANICAL ENGINEERING

Central Heating & Cooling Plant Design
Data Center & Mission Critical Design
Efficient HVAC Systems
Facility Systems
Laboratory Systems

PLUMBING & FIRE PROTECTION ENGINEERING

Building Water & Distribution
Dry Agent Systems for Critical Environments
Dry Pipe Systems
Fire Pump & Standpipe Systems
Laboratory Air
Storm & Sanitary Systems

STRUCTURAL / ARCHITECTURAL ENGINEERING

Foundation Design
Static & Dynamic Modeling
Steel, Concrete & Wood Framing

PROJECT & PROGRAM MANAGEMENT

Project Scope
Schedule & Budget Control
Owner's Representative Services

Featured Projects

Completing more than 10,000 major projects, representing over $3.5 billion in construction spending, with excellent client reviews, confirm why LLI has such a long and rich history.