HEA & Lillie Celebrate 2 Years Together and 20 Years in St. Louis

St. Louis, MO - Horizon Engineering Associates, LLP (HEA), a national commissioning, engineering and sustainable consulting firm, celebrates their second successful year after their merger with engineering firm Lillie & Company of St. Louis, Missouri. Partner, E. Thomas Lillie, PE, former President and Owner of Lillie & Company, marks his 20th anniversary of providing engineering and related services in the St. Louis area.

Mr. Lillie has been at the forefront of engineering and commissioning services throughout St. Louis and the surrounding region, and specializes in the commissioning of sophisticated building systems and green technologies. He has served as Secretary and Treasurer on the national board of directors for the Building Commissioning Association. His articles have been featured in numerous publications and he has presented on commissioning topics such as commissioning LEED facilities. Together with HEA, the St. Louis office offers comprehensive services in commissioning, IAQ testing, sustainable consulting, performance testing, and energy consulting.

HEA is a professional engineering and consulting firm headquartered in New York that specializes in building commissioning services for commercial, residential and institutional facilities. HEA is an active member of the BCA and the USGBC, and maintains offices in St. Louis, New York, Michigan, Long Island, Pennsylvania and North Carolina.

Emily Crandall, CPSM
Communications Manager
Horizon Engineering Associates, LLP
11800 Borman Drive
St. Louis, MO 63146 
Tel: 314.576.2006

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