Syska_Hennessy

Syska Hennessy

Syska Hennessy

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Syska Hennessy is a global consulting, engineering and commissioning firm for the built environment. Established in 1928, Syska Hennessy was ranked the 161st-largest U.S. design firm by Engineering-News Record[1] in 2022. The firm has over 500 employees with 20 offices worldwide, including 18 U.S. locations as well as Shanghai, China, and Dubai, UAE.[2] Consulting-Specifying Engineer magazine placed Syska Hennessy 19th overall in its 2022 MEP Giants list,[3] with gross revenue over $110 million. More than 90% of its revenue is derived from mechanical, electrical, and plumbing engineering services, according to the CSE ranking report, Building Design + Construction magazine ranked Syska Hennessy15th in its 2022 list of top building engineering firms.[4]

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History

Syska Hennessy was founded in 1928, by two mechanical engineers, Adolph G. Syska and John F. Hennessy. Originally established in New York City as Syska & Hennessy Engineers, the firm was among the earliest to specialize in the mechanical and electrical systems at the heart of high-rise structures.[2]

1930s

1940s

1950s

1960s

1970s

1980s

1990s

Notable projects

Cooper Union's 41 Cooper Square
California Academy of Sciences

References

  1. [1]
    "ENR 2022 Top 500 Design Firms | Engineering News-Record". www.enr.com. Retrieved 2022-10-19.
  2. [2]
    "Consult + Engineer + Commission". Syska Hennessy Group. Retrieved 2022-10-19.
  3. [3]
    "Consulting - Specifying Engineer | MEP Giants". Consulting - Specifying Engineer. Retrieved 2022-10-19.
  4. [4]
    "Top 80 Engineering Firms for 2022". Building Design + Construction. 2022-08-22. Retrieved 2022-10-19.
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