Syska Hennessy

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American engineering company

title: "Syska Hennessy" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["engineering-companies-of-the-united-states", "american-companies-established-in-1928"] description: "American engineering company" topic_path: "engineering" source: "https://en.wikipedia.org/wiki/Syska_Hennessy" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary American engineering company ::

::data[format=table title="Infobox company"]

FieldValue
nameSyska Hennessy Group
logoSyska Logo.jpg
genre
foundation1927
defunct
location_city1185 Avenue of the Americas, New York, NY
locationsNew York, Los Angeles, Atlanta, Dubai,(UAE), Boston, Charlotte, Chicago, Dallas, Jacksonville, Hamilton/NJ, Orange County, Raleigh, Richmond, San Diego, San Francisco, Silicon Valley, Washington D.C., Shanghai,(PRC)
industryConsulting, Engineering, Commissioning
servicesCore Services of Mechanical, Electrical, Plumbing/Fire Protection Engineering. Specialist Services include Architectural Lighting Design, Audio-Visual, Building Science & Technologies, Commissioning, Energy Services, Facilities Management, IT/Telecommunications, Medical Communications, Security, Vertical Transportation
productsAquariums, Aviation, Convention Centers, Corporate/Commercial, Critical Facilities/ Data Centers, Entertainment & Broadcast, Government, Healthcare, Higher Education, Libraries, Life Sciences Museums & Public Assembly, Real Estate/Office Interiors, Sports Venues, Workplace Interiors
aum
num_employees450+
parentSH Group
divisionsSyska Hennessy Group, Syska Hennessy Group China, Syska Hennessy Group, MENA (Middle East North Africa)
homepagewww.syska.com
::

| name = Syska Hennessy Group | logo = Syska Logo.jpg | caption = | type = | traded_as = | genre = | fate = | predecessor = | successor = | foundation = 1927 | founder = | defunct = | location_city = 1185 Avenue of the Americas, New York, NY | location_country = | location = | locations = New York, Los Angeles, Atlanta, Dubai,(UAE), Boston, Charlotte, Chicago, Dallas, Jacksonville, Hamilton/NJ, Orange County, Raleigh, Richmond, San Diego, San Francisco, Silicon Valley, Washington D.C., Shanghai,(PRC) | area_served = | key_people = | industry = Consulting, Engineering, Commissioning | services = Core Services of Mechanical, Electrical, Plumbing/Fire Protection Engineering. Specialist Services include Architectural Lighting Design, Audio-Visual, Building Science & Technologies, Commissioning, Energy Services, Facilities Management, IT/Telecommunications, Medical Communications, Security, Vertical Transportation | products = Aquariums, Aviation, Convention Centers, Corporate/Commercial, Critical Facilities/ Data Centers, Entertainment & Broadcast, Government, Healthcare, Higher Education, Libraries, Life Sciences Museums & Public Assembly, Real Estate/Office Interiors, Sports Venues, Workplace Interiors | revenue = | operating_income = | net_income = | aum = | assets = | equity = | owner = | num_employees = 450+ | parent = SH Group | divisions = Syska Hennessy Group, Syska Hennessy Group China, Syska Hennessy Group, MENA (Middle East North Africa) | subsid = | homepage =www.syska.com | footnotes = 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 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. Consulting-Specifying Engineer magazine placed Syska Hennessy 19th overall in its 2022 MEP Giants list, 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.

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.

1930s

1940s

1950s

1960s

1970s

1980s

1990s

Notable projects

::figure[src="https://upload.wikimedia.org/wikipedia/commons/1/12/Cooper_Union_New_Academic_Building_from_north.jpg" caption="Cooper Union's 41 Cooper Square"] ::

References

References

  1. "ENR 2022 Top 500 Design Firms {{!}} Engineering News-Record".
  2. "Consult + Engineer + Commission".
  3. "Consulting - Specifying Engineer {{!}} MEP Giants".
  4. (2022-08-22). "Top 80 Engineering Firms for 2022".

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

engineering-companies-of-the-united-statesamerican-companies-established-in-1928