Syska Hennessy is a global

consulting A consultant (from la, consultare "to deliberate") is a professional (also known as ''expert'', ''specialist'', see variations of meaning below) who provides advice and other purposeful activities in an area of specialization. Consulting servic ...

engineering Engineering is the use of scientific method, scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad rang ...

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 ''Consulting-Specifying Engineer'' () is a trade publication and website owned by CFE Media, serving the information needs of engineering personnel who perform various consulting engineering activities. The magazine is published monthly and cover ...

'' magazine placed Syska Hennessy 19th overall in its 2022

MEP MEP may refer to: Organisations and politics * Mahajana Eksath Peramuna, a political party in Sri Lanka * Mahajana Eksath Peramuna (1956), a former political alliance in Sri Lanka * Maison européenne de la photographie, a photography centre ...

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 New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the U ...

as Syska & Hennessy Engineers, the firm was among the earliest to specialize in the complicated mechanical and electrical systems at the heart of iconic, high-rise 20th-century structures. 1930s *US Post Office Building, Washington, DC *

Frick Collection The Frick Collection is an art museum in New York City. Its permanent collection (normally at the Henry Clay Frick House, currently at the Frick Madison) features Old Master paintings and European fine and decorative arts, including works by ...

, New York *

LaGuardia Airport LaGuardia Airport is a civil airport in East Elmhurst, Queens, New York City. Covering , the facility was established in 1929 and began operating as a public airport in 1939. It is named after former New York City mayor Fiorello La Guardia ...

, New York *

1939 World’s Fair The 1939–40 New York World's Fair was a world's fair held at Flushing Meadows–Corona Park in Queens, New York, United States. It was the second-most expensive American world's fair of all time, exceeded only by St. Louis's Louisiana Purch ...

, New York 1940s *

United Nations Headquarters zh, 联合国总部大楼french: Siège des Nations uniesrussian: Штаб-квартира Организации Объединённых Наций es, Sede de las Naciones Unidas , image = Midtown Manhattan Skyline 004.jpg , im ...

, New York * Todd Shipyards, New York, New Jersey, Louisiana, Maine 1950s *

West Point The United States Military Academy (USMA), also known Metonymy, metonymically as West Point or simply as Army, is a United States service academies, United States service academy in West Point, New York. It was originally established as a f ...

, New York * US Air Force Academy, Colorado *

Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manha ...

, New York * New York University Medical School, New York *

Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a Private university, private Land-grant university, land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern t ...

, Massachusetts 1960s *

Lincoln Center Lincoln Center for the Performing Arts (also simply known as Lincoln Center) is a complex of buildings in the Lincoln Square neighborhood on the Upper West Side of Manhattan. It has thirty indoor and outdoor facilities and is host to 5 millio ...

, New York *

Rockefeller Center Rockefeller Center is a large complex consisting of 19 commerce, commercial buildings covering between 48th Street (Manhattan), 48th Street and 51st Street (Manhattan), 51st Street in Midtown Manhattan, New York City. The 14 original Art Deco ...

, New York *

John F. Kennedy Center for the Performing Arts The John F. Kennedy Center for the Performing Arts (formally known as the John F. Kennedy Memorial Center for the Performing Arts, and commonly referred to as the Kennedy Center) is the United States National Cultural Center, located on the Potom ...

, Washington, DC *

National Gallery of Art The National Gallery of Art, and its attached Sculpture Garden, is a national art museum in Washington, D.C., United States, located on the National Mall, between 3rd and 9th Streets, at Constitution Avenue NW. Open to the public and free of ch ...

, Washington, DC * Madison Square Gardens, New York *

JFK Airport John F. Kennedy International Airport (colloquially referred to as JFK Airport, Kennedy Airport, New York-JFK, or simply JFK) is the main international airport serving New York City. The airport is the busiest of the seven airports in the New ...

, New York * Bureau of Printing and Engraving, Washington, DC *New Jersey College of Medicine *

Procter & Gamble The Procter & Gamble Company (P&G) is an American multinational consumer goods corporation headquartered in Cincinnati, Ohio, founded in 1837 by William Procter and James Gamble. It specializes in a wide range of personal health/consumer he ...

Headquarters - Cincinnati, Ohio * Mount Sinai Hospital - Annemberg Tower, Manhattan, New York *

New York University New York University (NYU) is a private research university in New York City. Chartered in 1831 by the New York State Legislature, NYU was founded by a group of New Yorkers led by then- Secretary of the Treasury Albert Gallatin. In 1832, ...

, New York 1970s *

National University of Iran Shahid Behesti University ( fa, دانشگاه شهید بهشتی , Dāneshgāh-e Shahid Beheshti) (formerly known as the National University of Iran) is a public research university in Tehran, Iran. The university offers many programs at Bache ...

, Tehran * King Saud University, Saudi Arabia * Monterey Bay Aquarium, California * IBM, Bordeaux, France 1980s *

Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of high ...

, Massachusetts * Boston Museum of Fine Arts, Massachusetts *New York City Convention Center, New York *

Los Angeles International Airport Los Angeles International Airport , commonly referred to as LAX (with each letter pronounced individually), is the primary international airport serving Los Angeles, California and its surrounding metropolitan area. LAX is located in the W ...

, California * Disney World, Florida 1990s *

Amgen Amgen Inc. (formerly Applied Molecular Genetics Inc.) is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. One of the world's largest independent biotechnology companies, Amgen was established in ...

*Bristol-Myers Squibb *

Bank of America The Bank of America Corporation (often abbreviated BofA or BoA) is an American multinational investment bank and financial services holding company headquartered at the Bank of America Corporate Center in Charlotte, North Carolina. The bank ...

, Nationwide * Sony Pictures Studios, California *

Paramount Pictures Paramount Pictures Corporation is an American film and television production company, production and Distribution (marketing), distribution company and the main namesake division of Paramount Global (formerly ViacomCBS). It is the fifth-oldes ...

, California * Reagan National Airport, Washington, DC

High performance building solutions

Maricopa County Courthouse - Overall 3D - Small

Syska Hennessy provides integrated, high performance engineering solutions that support near or

net zero Carbon neutrality is a state of net-zero carbon dioxide emissions. This can be achieved by balancing emissions of carbon dioxide with its removal (often through carbon offsetting) or by eliminating emissions from society (the transition to the ...

and carbon neutral environmental performance of buildings as well as third party verified environmental ratings (U.S. Green Buildings Council

LEED Leadership in Energy and Environmental Design (LEED) is a green building certification program used worldwide. Developed by the non-profit U.S. Green Building Council (USGBC), it includes a set of rating systems for the design, constructio ...

ratings,

BREEAM BREEAM (Building Research Establishment Environmental Assessment Method), first published by the Building Research Establishment (BRE) in 1990, is the world's longest established method of assessing, rating, and certifying the sustainability of ...

, Estidama, 3-Star etc.). Syska Hennessy is an early adopter of the Architecture 2030 Challenge which aims to help reduce green house gas emission to achieve carbon neutral/net zero performance in new buildings by 2030
The firm also ranked #19 in Engineering News Record's 2011 Top 100 Green Design Firms

Notable projects

Cooper Union New Academic Building from north

* Cooper Union Academic Center * U.S. Environmental Protection Agency Region 8 Headquarters *

Maricopa County Maricopa County is in the south-central part of the U.S. state of Arizona. As of the 2020 census, the population was 4,420,568, making it the state's most populous county, and the fourth-most populous in the United States. It contains about ...

- New High-Rise Court Tower *2000 Avenue of the Stars *Nokia Corporate Headquarters *Red Bull Headquarters *

New York Presbyterian, Milstein Heart Hospital New is an adjective referring to something recently made, discovered, or created. New or NEW may refer to: Music * New, singer of K-pop group The Boyz (South Korean band), The Boyz Albums and EPs * New (album), ''New'' (album), by Paul McCartn ...

Dulles International Airport Washington Dulles International Airport , typically referred to as Dulles International Airport, Dulles Airport, Washington Dulles, or simply Dulles ( ), is an international airport in the Eastern United States, located in Loudoun County and ...

Automated People Movers; East Z-Gates Concourse *

Chennai International Airport Chennai International Airport is an international airport serving the city of Chennai, Tamil Nadu and its metropolitan area. It is located in Tirusulam, southwest of the city centre. Chennai International Airport is the sixth busiest airp ...

*Haeundae Udong Hyundai I'Park Development * King Saud University *

Dubai International Airport Dubai International Airport ( ar, مطار دبي الدولي) is the primary international airport serving Dubai, United Arab Emirates, and is the world's busiest airport by international passenger traffic. It is also the nineteenth-busie ...

California Academy of Sciences The California Academy of Sciences is a research institute and natural history museum in San Francisco, California, that is among the largest museums of natural history in the world, housing over 46 million specimens. The Academy began in 18 ...

* Indianapolis International Airport, Midfield Terminal * KAPSARC *

Busan Lotte World Tower The Busan Lotte Town Tower, also known as Busan Lotte World Tower (Hangul: 부산 롯데 타운 타워) is a 108-floor, supertall skyscraper on hold in Busan, South Korea. The tower is planned on a site next to Nampo-dong station on Busan S ...

* Lotte Jamsil

References

{{Reflist Engineering companies of the United States American companies established in 1928