Public engineering firm profile
Pittsburgh, PA
Innovative Solutions in Architecture & Engineering Since 1910
LLI Engineering is a Pittsburgh-based architecture and engineering practice providing integrated, full-service design across electrical, mechanical, plumbing, structural, and architectural disciplines since 1910. It specializes in commercial facilities, critical infrastructure, green building design, energy conservation, and project engineering, with completed projects in over 20 states.
Complete design of power distribution, lighting systems, standby generation, and automatic control system solutions for commercial and mission-critical facilities.
Custom solutions for HVAC systems, geothermal heating, and building energy conservation aimed at optimizing environmental comfort and operational efficiency.
Integrated systems engineering covering sanitary infrastructure, advanced rainwater harvesting, fire detection, and specialized suppression networks.
Work in this area is organized into supported delivery tasks.
Comprehensive architectural planning, spatial design, and finish coordination to create highly functional commercial, educational, and residential environments.
Work in this area is organized into supported delivery tasks.
integrated delivery models integrating design and direct construction capabilities for streamlined equipment and facility deployment.
Work in this area is organized into supported delivery tasks.
2021 | Pittsburgh, PA | Peoples Natural Gas | Airports
A 20-megawatt microgrid merging natural gas and solar energy to provide efficient, reliable power to the airport with excess capacity sold back to the market.
View project source2021 | Wexford, PA | Allegheny Health Network | Healthcare
A state-of-the-art combined cooling, heating, and power microgrid producing up to 2 megawatts of electricity plus hot water, chilled water, and steam for a hospital facility.
View project source2021 | Howard, PA | Hospitality
A LEED Gold certified eco-friendly hotel featuring geothermal heating and cooling, structural rainwater collection, and low-impact site lighting.
View project sourcePittsburgh, PA | Historic Preservation
Masonry investigation, architectural and engineering design, water proofing, vapor barrier, and construction administration for four structures over a hundred years old.
View project sourceCecil Township, PA | Cecil Township | Government
Architectural and MEP design services for a new maintenance facility, salt storage shed, and fueling station.
View project sourceCleveland, OH | Expedient | Data Centers
Design of a 7,200 sq. ft. data center with 243 server racks, featuring a 24-inch raised floor, redundant power feeds, and N+1 cooling configurations.
View project source2007 | Butler County, PA | Westinghouse Electric Company | Commercial
Joint venture providing pre-construction, programming, and full engineering and architectural design for the corporate headquarters in Cranberry Woods.
View project sourceUnited States Postal Service | Government
Electrical and structural engineering for the phased replacement of three utility feed main-tie-main-tie-main switchgear with automatic controls.
View project sourceALCOSAN | Wastewater
Commissioning, LEED consulting, control automation upgrades, and engineering support for the operations and customer service buildings, laboratories, and main pump station.
View project sourcePittsburgh, PA | Penn Woods Classical Academy | Education
Interior design and finish updates for a PreK-7th grade private school building renovation project.
View project sourceMt. Lebanon, PA | Multifamily Residential
Architectural planning, building design, and interior design for a new townhouse development.
View project sourceVerizon | Telecommunications
Full-service design and construction of telecom cabinets and modular enclosures across the East Coast.
View project sourcePresident
PE
Vice President
PE
Department Head, Mechanical Engineering
PE
Department Head, Electrical Engineering
PE
Department Head, Architecture
AIA
Project Manager
PE
Project Manager
Project Manager
Project Manager