Syska Cyrus Izzo CEO , Syska Hennessy Group

REVENUE : US $ 110M EMPLOYEES : 500 CEO : CYRUS IZZO FOUNDED : 1928

Hennessy Group is more than a consulting engineering firm . Over the past century from its office in New York , the company champions design with a goal to improve lives across the world . Syska Hennessy Group combines its expertise with next generation technology tools and provides high performance engineering , consulting and commissioning solutions for the built environment . The company was ranked in ENR ’ s Top 500 Design Firms Sourcebook as the # 1 data centre designer , known for its collaborative approach .

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