innovative solutions in architecture & engineering since 1910
Since 1910, LLI Engineering has been providing top quality, comprehensive Architectural and Engineering services delivering an integrated approach and a seamless, one-stop solution for all your design needs.
featured projects
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pittsburgh airport microgrid
Winner of the Engineering Society of Western Pennsylvania Innovation Award for 2021
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ahn wexford cchp plant
Winner of the Engineering Society of Western Pennsylvania Commercial Award for 2021.
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the nature inn at bald eagle
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historic facade restoration
Facade Restoration of Downtown Pittsburgh Telecom High Rise
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westinghouse cranberry woods
LLI Engineering and IKM Incorporated formed a joint venture known as LLI/IKM to provide pre-construction, project programming and full engineering and architectural design services.
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Cecil Township Municipal Building
LLI provided Architectural and MEP design services for a new maintenance facility, salt storage shed, and fueling station in Cecil Township.
