Thornton Tomasetti (formerly the Thornton-Tomasetti Group, Thornton Tomasetti Engineers, Lev Zetlin & Associates, LZA Technology and

Weidlinger Associates Weidlinger Associates, Inc., was a U.S.-based structural engineering firm that designs and rehabilitates buildings, bridges, and infrastructure and provides special services in applied science, forensics, and physical security. Weidlinger's clien ...

) is a global, 1,500-plus person scientific and

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 ...

consulting firm.

Services

Thornton Tomasetti has expertise in structural engineering,

facade engineering Building façades are one of the largest, most important elements in the overall aesthetic and technical performance of a building. Façade engineering is the art and science of resolving aesthetic, environmental and structural issues to achieve t ...

, forensic engineering, structural

renovations Renovation (also called remodeling) is the process of improving broken, damaged, or outdated structures. Renovations are typically done on either commercial or residential buildings. Additionally, renovation can refer to making something new, ...

, construction engineering,

resilience (engineering and construction) In the fields of engineering and construction, resilience is the ability to absorb or avoid damage without suffering complete failure and is an objective of design, maintenance and restoration for buildings and infrastructure, as well as communiti ...

sustainable design Environmentally sustainable design (also called environmentally conscious design, eco-design, etc.) is the philosophy of designing physical objects, the built environment, and services to comply with the principles of ecological sustainability ...

applied science Applied science is the use of the scientific method and knowledge obtained via conclusions from the method to attain practical goals. It includes a broad range of disciplines such as engineering and medicine. Applied science is often contrasted ...

, protective design and security,

civil engineering Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewage ...

and

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

design and rehabilitation. The firm's services are supported by its internal

research and development Research and development (R&D or R+D), known in Europe as research and technological development (RTD), is the set of innovative activities undertaken by corporations or governments in developing new services or products, and improving existi ...

CORE teams, which provides technology-focused expertise,

computational simulation Computer simulation is the process of mathematical modelling, performed on a computer, which is designed to predict the behaviour of, or the outcome of, a real-world or physical system. The reliability of some mathematical models can be dete ...

and

software development Software development is the process of conceiving, specifying, designing, programming, documenting, testing, and bug fixing involved in creating and maintaining applications, frameworks, or other software components. Software development invol ...

as well as

artificial intelligence Artificial intelligence (AI) is intelligence—perceiving, synthesizing, and inferring information—demonstrated by machines, as opposed to intelligence displayed by animals and humans. Example tasks in which this is done include speech re ...

and

machine learning Machine learning (ML) is a field of inquiry devoted to understanding and building methods that 'learn', that is, methods that leverage data to improve performance on some set of tasks. It is seen as a part of artificial intelligence. Machine ...

. The firm provides consulting expertise to clients in a variety of industries, including architecture/engineering/construction, insurance and law firms, real estate developers, building owners/operators, defense, life sciences, manufacturing, natural resources and space systems.

History

1949—Paul Weidlinger opens consultancy:

dates back to 1949 with the launch of

Paul Weidlinger Paul Weidlinger (22 December 1914 – 5 September 1999) was a Hungarian structural engineer. Paul was born in Budapest on December 22, 1914. He attended the Brno University of Technology, Czechoslovakia followed by Swiss Polytechnic Institute, ...

Consulting Engineers in Washington, D.C. A native of Budapest, Hungary, Paul earned a master's degree from the

ETH Zurich (colloquially) , former_name = eidgenössische polytechnische Schule , image = ETHZ.JPG , image_size = , established = , type = Public , budget = CHF 1.896 billion (2021) , rector = Günther Dissertori , president = Joël Mesot , ac ...

in Zurich. He apprenticed with

Le Corbusier Charles-Édouard Jeanneret (6 October 188727 August 1965), known as Le Corbusier ( , , ), was a Swiss-French architect, designer, painter, urban planner, writer, and one of the pioneers of what is now regarded as modern architecture. He was ...

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

and László Moholy-Nagy in

London London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...

before coming to the United States in the late 1940s. 1950s—Applied Science division launched: Paul Weidlinger, Dr. Mario Salvadori and Dr. Melvin Baron shared an interest in the dynamic response of structures, which led the firm to create an Applied Science division. The group developed analysis and design procedures to protect structures from the effects of blast loadings. Their methods led to early and continuing use of

computers A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These programs ...

in advanced analysis and design. 1956—Lev Zetlin starts Lev Zetlin Associates: After earning a doctoral degree from New York’s Cornell University,

Lev Zetlin Lev Zetlin (July 14, 1918 – December 4, 1992) was an Israeli-American civil and structural engineer. Founder of the engineering consulting firm Lev Zetlin & Associates, he developed several innovations in structural engineering including the d ...

decided to start his own company, Lev Zetlin Associates (LZA). 1960—Charlie Thornton joins LZA: Charlie Thornton, who earned master’s and doctoral degrees from

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, the ...

and authored a thesis on cable nets, joined Lev Zetlin Associates in 1960. Serving as co-chairman of the firm until 2004, he was involved in the analysis, design and construction of projects worldwide. 1964 --

1964 New York World’s Fair The 1964–1965 New York World's Fair was a world's fair that held over 140 pavilions and 110 restaurants, representing 80 nations (hosted by 37), 24 US states, and over 45 corporations with the goal and the final result of building exhibits or ...

(Flushing Meadows, New York): Early in his career, Lev Zetlin devised a “double-layer bicycle wheel” roof system. The system combines upper and lower cables with varying tensions that are jacked apart and connected by rigid vertical struts. Connecting cables that have differing natural frequencies minimizes wind-induced fluttering. First developed for the

Utica Memorial Auditorium The Adirondack Bank Center at the Utica Memorial Auditorium is a 3,860-seat multi-purpose arena in Utica, New York, with a capacity of 5,700 for concerts. Nicknamed the Aud, it is the home arena of the Utica Comets, the AHL affiliate of the NHL ...

, which was completed in 1960, Lev Zetlin's bicycle wheel system has helped to shape the design of other tensile structures, among them the

New York State Pavilion The New York State Pavilion is a historic world's fair pavilion at Flushing Meadows–Corona Park in Flushing, Queens, New York. It was designed in 1962 for the 1964 New York World's Fair by architects Philip Johnson and Richard Foster, with str ...

Madison Square Garden Madison Square Garden, colloquially known as The Garden or by its initials MSG, is a multi-purpose indoor arena in New York City. It is located in Midtown Manhattan between Seventh and Eighth avenues from 31st to 33rd Street, above Pennsylva ...

, the

Seoul Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated iArticle 103 ...

Olympic Gymnastics Arena The Olympic Gymnastics Arena (), also known as the KSPO Dome since 2018, is an indoor arena located within the Olympic Park in Seoul, South Korea. It has a capacity of 15,000 and can be extended upto 20,000. It was constructed between 31 Aug ...

Tropicana Field Tropicana Field (commonly known as the Trop) is a Multi-purpose stadium, multi-purpose domed stadium located in St. Petersburg, Florida, United States. The stadium has been the home of the Tampa Bay Rays of Major League Baseball (MLB) since the ...

, and the Georgia Dome. 1968—Richard Tomasetti joins LZA: Richard Tomasetti joined Lev Zetlin Associates after working in the

aerospace Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial and military applications. Aerospace engineering consists of aeronautics and astrona ...

and

submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...

industries. Tomasetti created Environspace Research and Development, the firm’s first research and development group. 1977—Charlie Thornton and Richard Tomasetti buy LZA from Gable Industries: Charlie Thornton and Richard Tomasetti purchased Lev Zetlin Associates while it was a subsidiary of Gable Industries. It was at this time that the firm began performing some work as Thornton Tomasetti. The firm's name changed officially from the TTG Group to Thornton Tomasetti in 1999. 1980s-1990s—FLEX code introduced: The FLEX code was first developed by Weidlinger in the early 1980s to support

Nuclear Test Ban Treaty The Partial Test Ban Treaty (PTBT) is the abbreviated name of the 1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water, which prohibited all test detonations of nuclear weapons except for those conducted u ...

monitoring. Its name is derived from its primary focus, performing ”fast large explicit’ time-domain dynamic simulations, and from its versatility and speed in modeling unusually large structures. In the early 1990s, the FLEX code was diversified into a family: NLFlex (blast), EMFlex (electromagnetic waves), and PZFlex (sonar and ultrasound). In 1999, SpectralFlex was developed to serve the growing field of medical therapeutics, and in 2002, Weidlinger created the FLEX Template System, for modeling and simulation of structural components of civilian structures subjected to bomb blasts. 2001—World Trade Center collapse (New York, New York): In the 10 months after the

September 11 attacks The September 11 attacks, commonly known as 9/11, were four coordinated suicide terrorist attacks carried out by al-Qaeda against the United States on Tuesday, September 11, 2001. That morning, nineteen terrorists hijacked four commercia ...

, crews removed more than 1.6 million tons of debris. Thornton Tomasetti staff were the first engineers on the site on September 11, and started work that afternoon. The firm supervised 20 member firms of the

Structural Engineers Association of New York The National Council of Structural Engineers Associations (NCSEA) is a professional association in the United States, with member organizations in 44 states. NCSEA was established in 1993. As of 2003, NCSEA represented 12,000 individual engineer ...

and arranged for 24/7 coverage of the site for nine months. The firm assisted in rescue, demolition and clean-up, advising on structural issues that required resolution as part of the recovery effort. 2004—Taipei 101 (Taipei, Taiwan) Completed: The first 21st-century building to become the world’s tallest upon completion,

Taipei 101 Taipei 101 (; stylized as TAIPEI 101), formerly known as the Taipei World Financial Center, is a supertall skyscraper in Taipei, Taiwan. This building was officially classified as the world's tallest from its opening in 2004 until the 2009 ...

is, as its name implies, a 101-story tower. Working with engineer of record Evergreen Consulting, Thornton Tomasetti established an efficient steel-based dual

structural system A structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized. Material structures include man-made objects such as buildings and machines and natural objects such as ...

and solved wind behavior problems with distinctive double stair-step corners. By 2020, Thornton Tomasetti had designed five of the 20 tallest complete buildings in the world. 2011 – CORE studio founded: CORE studio is the firm's internal research and development group that specializes in application development, computational modeling and artificial intelligence to create efficiencies in the structural design and construction process. 2012—Response to Hurricane Sandy: On October 29, 2012, Hurricane Sandy made landfall near

Atlantic City Atlantic City, often known by its initials A.C., is a coastal resort city in Atlantic County, New Jersey, United States. The city is known for its casinos, Boardwalk (entertainment district), boardwalk, and beaches. In 2020 United States censu ...

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...

. In response, the firm conducted damage assessment in three states related to structural and architectural integrity, HVAC, electrical, plumbing and fire protection equipment and systems. Included in the investigations were high-rise office and residential facilities, and other retail, rail, aviation and government facilities. 2015—Thornton Tomasetti and Weidlinger merge: Thornton Tomasetti and Weidlinger Associates announced a merger. Weidlinger Associates was a U.S.-based structural engineering firm that designed and rehabilitated buildings, bridges, and infrastructure and provided special services in applied science, forensics, and physical security. The merger created two new entities: CORE Lab - a sister internal group to CORE studio - that focuses on the long-term development of internal methods, capabilities and products to evaluate new business opportunities; and TTWiiN, a technology accelerator and product commercialization platform.

Projects

Skyscrapers, buildings and structures

* 1111 South Wabash, Chicago * 110 North Wacker, Chicago * 181 West Madison, Chicago * 191 North Wacker, Chicago * 30 Hudson Street, Jersey City, New Jersey * 30 West Oak, Chicago * 401 East Ontario, Chicago * 420 Fifth Avenue, New York *

5 Times Square 5 Times Square is a 38-story office skyscraper at the southern end of Times Square in the Midtown Manhattan neighborhood of New York City. Located on the western sidewalk of Seventh Avenue between 41st and 42nd Street, the building measures ...

, New York * 546 Fifth Avenue, New York * 55 East Erie, Chicago * 550 West Jackson, Chicago * 599 Lexington Avenue, New York * 717 Texas Avenue, Houston, Texas * 745 Seventh Avenue, New York * 840 North Lake Shore Drive, Chicago * 855 Avenue Of The Americas, New York * 601 North Central, Phoenix, Arizona * 20 Grosvenor Square, London * ABN AMRO Plaza, Chicago * AMA Building, Chicago * Americas Tower, New York * Block A & Block C, MGM CityCenter – " Project CityCenter", Las Vegas, Nevada * Block 21, Austin, Texas * Bloomberg Tower, 731 Lexington Avenue, New York * CBS 2 Broadcast Center, Chicago * Chase Center, Chicago * Chifley Tower, Sydney, Australia *

Children's Museum of Los Angeles The Children's Museum of Los Angeles opened to the public on June 11, 1979, and operated for 21 years. It was located at the Los Angeles Mall in the Los Angeles Civic Center. It specifically catered to children, with the purpose of educating, en ...

, Los Angeles * Citicorp Center, Chicago, Illinois * City View Tower, Chicago, Illinois * Conrad Chicago Hotel, Chicago * Comcast Technology Center, Philadelphia * Continental Center, New York * Deep Space Auditorium, Verona, Wisconsin * Embassy Suites, New York * Erie on the Park, Chicago * Eurasia Tower, Moscow *

Federation Tower The Federation Tower (russian: Башня Федерация, translit=Bashnya Federatsya) is a complex of two skyscrapers built on the 13th lot of the Moscow International Business Center in Moscow, Russia. The two skyscrapers are named Tower E ...

, Moscow * Fifty South Sixth, Minneapolis * Furman Hall, New York * Great American Tower at Queen City Square, Cincinnati * Harborside Financial Center Plaza 5 & Plaza 10, Jersey City, New Jersey * Hilton New Orleans Riverside, New Orleans * Kingsbury on the Park, Chicago * Lehman Brothers Building, New York *

Leo Burnett Building The Leo Burnett Building, located on 35 West Wacker Drive at North Dearborn Street in the Chicago Loop, is a 50-story, 635 foot (193 m) tall skyscraper above the Chicago River's Main Stem on the southern bank. When built in 1989, it was the 12th ...

, Chicago *

Lotte Center Hanoi Lotte Center Hanoi is a skyscraper in Ba Đình, Hanoi, Vietnam. Completed on 2 September 2014, the tower has 65 floors. The center features a modern architectural style designed by Callison, an American company. This tower is the third tallest ...

, Hanoi, Vietnam * McMahon Hall of Fordham University, New York * Menara Maxis, Kuala Lumpur, Malaysia * Metapolis, Hwaseong, South Korea * Minneapolis Central Library, Minneapolis * Miranova Condominiums, Columbus, Ohio *

Modern Art Museum of Fort Worth The Modern Art Museum of Fort Worth (widely referred to as The Modern) is an art museum of post-World War II art in Fort Worth, Texas with a collection of international modern and contemporary art. Founded in 1892, The Modern is located in the c ...

, Fort Worth, Texas * New York Times Building, New York * One Indiana Square, Indianapolis *

One Liberty Place Liberty Place is a skyscraper complex in Philadelphia. The complex is composed of a 61-story, skyscraper called One Liberty Place, a 58-story, skyscraper called Two Liberty Place, a two-story shopping mall called the Shops at Liberty Place, a ...

, Philadelphia * One Mellon Bank Center, Pittsburgh * One Pennsylvania Plaza, Philadelphia * Optima Horizons, Evanston, Illinois * Optima Towers, Evanston, Illinois *

Overture Center Overture Center for the Arts is a performing arts center and art gallery in Madison, Wisconsin, United States. The center opened on September 19, 2004, replacing the former Civic Center. In addition to several theaters, the center also houses the ...

, Madison, Wisconsin * Palazzo Lombardia, Milan, Italy * Park Alexandria, Chicago * Petronas Towers, Kuala Lumpur, Malaysia * Plaza 66, Shanghai, PRC * Prentice Women's Hospital, Chicago * R R Donnely Building, Chicago * Random House World Headquarters, New York * Shanghai Tower, Shanghai, China *

, Taipei, Taiwan * Tencent Headquarters, Shenzhen, China * The Clare at Water Tower, Chicago * The Edge, Brooklyn, New York * The Westport, New York * The Plaza at PPL Center, Allentown, Pennsylvania *

Times Square Tower Times Square Tower, also known as 7 Times Square, is a 48-story office skyscraper at the southern end of Times Square in the Midtown Manhattan neighborhood of New York City. Located on the city block bounded by Broadway (Manhattan), Broadway, ...

, New York *

UBS Tower One North Wacker, UBS Tower is a 50-story () skyscraper at One North Wacker Drive in Chicago Loop, downtown Chicago, Illinois. The tower was built from 1999 to 2002 to accommodate Swiss investment bank UBS, UBS AG's Chicago headquarters. Origina ...

, Chicago, Illinois * University of Chicago Graduate School of Business Building, Chicago, Illinois * We've the Zenith, Busan, South Korea * Westin Hotel at Copley Place, Boston * Wilshire Grand Tower, Los Angeles *

Winspear Opera House The Margot and Bill Winspear Opera House is an opera house (one of four venues in the AT&T Performing Arts Center) located in the Arts District of downtown Dallas, Texas (USA). Designed as a 21st-century reinterpretation of the traditional op ...

, Dallas

Stadiums and convention centers

* American Airlines Arena, Miami * Arvest Ballpark. Springdale, Arkansas * Al-Najaf International Stadium, Najaf, Iraq * AT&T Park, San Francisco *

Baku National Stadium Baku Olympic Stadium ( az, Bakı Olimpiya Stadionu), is a stadium, designed and constructed to meet the international standards for stadiums set by the Union of European Football Associations (UEFA), the International Federation of Association Foo ...

, Baku, Azerbaijan *

Banc of California Stadium Banc of California Stadium is a soccer-specific stadium in the Exposition Park neighborhood of Los Angeles, California. It is the home of Major League Soccer's Los Angeles FC and the National Women's Soccer League's Angel City FC. Opened on A ...

, Los Angeles, California *

Barclays Center Barclays Center is a multi-purpose list of indoor arenas, indoor arena in the New York City Boroughs of New York City, borough of Brooklyn. The arena is home to the Brooklyn Nets of the National Basketball Association and the New York Liberty o ...

, Brooklyn, New York * Basra Sports City, Basra, Iraq * BMO Field, Toronto, Canada *

BOK Center The BOK Center, or Bank of Oklahoma Center, is a 19,199-seat multi-purpose arena and a primary indoor sports and event venue in Tulsa, Oklahoma, United States. Designed to accommodate arena football, hockey, basketball, concerts, and similar even ...

, Tulsa, Oklahoma * Bridgestone Arena, Nashville, Tennessee * Children's Mercy Park, Kansas City, Kansas *

Climate Pledge Arena Climate Pledge Arena is a multi-purpose indoor arena in Seattle, Washington, United States. It is located north of Downtown Seattle in the entertainment complex known as Seattle Center, the site of the 1962 World's Fair, for which it was or ...

, Seattle, Washington *

CONSOL Energy Center PPG Paints Arena is a multi-purpose indoor arena in Pittsburgh, that serves as the home of the Pittsburgh Penguins of the National Hockey League (NHL). It previously was the home of the Pittsburgh Power of the Arena Football League (2010), Aren ...

, Pittsburgh * Ford Center, Evansville, Indiana *

Ford Field Ford Field is a domed American football stadium located in Downtown Detroit. It primarily serves as the home of the Detroit Lions of the National Football League (NFL), as well as the annual Quick Lane Bowl college football bowl game, state champ ...

, Detroit, Michigan * Golden 1 Center, Sacramento, California *

Honda Center The Honda Center (formerly known as the Arrowhead Pond of Anaheim) is an indoor arena located in Anaheim, California. The arena is home to the Anaheim Ducks of the National Hockey League. Originally named the Anaheim Arena during construction, ...

, Anaheim, California * Jeju World Cup Stadium, Seogwipo, South Korea * Kohl Center, Madison, Wisconsin * MetLife Stadium, East Rutherford, New Jersey * Nationals Park, Washington, D.C. * Nationwide Arena, Columbus, Ohio *

Pepsi Center Ball Arena (formerly known as Pepsi Center) is a multi-purpose indoor arena located in Denver, Colorado. It is situated at Speer Boulevard, a main thoroughfare in downtown Denver, and is served by two nearby exits off Interstate 25. A light r ...

, Denver *

Petco Park Petco Park is a baseball stadium in Downtown San Diego, California. It is the home ballpark of Major League Baseball's San Diego Padres, and has also been used as a venue for concerts, soccer, golf, and rugby. The ballpark is located between Se ...

, San Diego *

Philips Arena State Farm Arena (formerly Philips Arena) is a multi-purpose arena located in Atlanta, Georgia. The arena serves as the home venue for the National Basketball Association (NBA)'s Atlanta Hawks. It also served as home to the National Hockey Leag ...

, Atlanta * PNC Park, Pittsburgh * Prudential Center, Newark, New Jersey *

Rogers Place Rogers Place is a multi-use indoor arena in Edmonton, Alberta, Canada. Construction started in March 2014, and the building officially opened on September 8, 2016. The arena has a seating capacity of 18,500 as a hockey venue and 20,734 as a conce ...

, Edmonton, Canada *

Soldier Field Soldier Field is a multi-purpose stadium on the Near South Side of Chicago, Illinois, United States. Opened in 1924 and reconstructed in 2003, the stadium has served as the home of the Chicago Bears of the National Football League (NFL) since 1 ...

, Chicago *

United Center United Center is an indoor arena on the Near West Side of Chicago, Illinois, United States. It is home to the Chicago Bulls of the National Basketball Association (NBA) and the Chicago Blackhawks of the National Hockey League (NHL). It is named ...

, Chicago *

U.S. Cellular Field Guaranteed Rate Field is a baseball stadium located on the South Side of Chicago, Illinois, United States. It serves as the home stadium of the Chicago White Sox, one of the city's two Major League Baseball (MLB) teams, and is owned by the state ...

, Chicago *

U.S. Bank Stadium U.S. Bank Stadium is an enclosed stadium located in downtown Minneapolis, Minnesota. Built on the former site of the Hubert H. Humphrey Metrodome, the indoor stadium opened in 2016 and is the home of the Minnesota Vikings of the National Footbal ...

, Minneapolis * Videotron Centre, Quebec City *

Yankee Stadium Yankee Stadium is a baseball stadium located in the Bronx, New York City. It is the home field of the New York Yankees of Major League Baseball, and New York City FC of Major League Soccer. Opened in April 2009, the stadium replaced the origi ...

, New York

Renewal and rehabilitation

* Chrysler Building – Facade Rehabilitation, New York *

Kaufmann Stadium Kauffman Stadium (), often called "The K", is a baseball stadium located in Kansas City, Missouri. It is home to the Kansas City Royals of Major League Baseball (MLB). It is part of the Truman Sports Complex together with the adjacent Arrowhead S ...

- Renovation, Jackson County, Missouri * United States Capitol dome – Structural Rehabilitation, Washington, D.C. * Washington Monument Renovation, Washington, D.C. * Winter Garden Reconstruction – Structural Repairs, New York * Wrigley Field – Structural Rehabilitation & Addition, Chicago

Forensics, investigation and property loss consulting

i-35 bridge collapse The I-35W Mississippi River bridge (officially known as Bridge 9340) was an eight-lane, steel truss arch bridge that carried Interstate 35W (Minnesota), Interstate 35W across the Mississippi River one-half mile (875 m) downstream from the Sai ...

, Minneapolis, Minnesota *

Indiana State Fair stage collapse The Indiana State Fair stage collapse was an incident during an August 13, 2011, outdoor concert by Sugarland as part of their Incredible Machine Tour at the Indiana State Fair in which a wind gust from an approaching severe thunderstorm hit th ...

* Miller Park investigation, Milwaukee, Wisconsin * Response to CAT-90 Sandy, New York, New Jersey and Connecticut * Tropicana parking garage collapse, Atlantic City, New Jersey * World Trade Center disaster response, New York * Arecibo Telescope Collapse, Arecibo, Puerto Rico

Under construction

* 151 Incheon Tower, Incheon, South Korea *

Baha Mar Baha Mar is a resort complex on the island of New Providence in The Bahamas. Owned by Hong Kong-based Chow Tai Fook Enterprises, the establishment opened in April 2017. The amenities include three hotels (a Grand Hyatt, SLS Baha Mar, and the Ros ...

, The Bahamas * Comcast Technology Center, Philadelphia * CPKC Stadium, Kansas City, Missouri *

Diamond of Istanbul Diamond of Istanbul is the tallest building under construction in Istanbul, Turkey, being built on the Büyükdere Avenue in the city's Maslak central business district of Sarıyer. It is also the country's first steel skyscraper. When completed, ...

, Istanbul, Turkey * Jeddah Tower, Jeddah, Saudi Arabia * Moscow International Business Center Lot 13, Moscow * Museum of the Built Environment, Riyadh, Saudi Arabia *

One Broadway Plaza 1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. I ...

, Santa Ana, California * Pingan International Finance Center, Shenzhen, China * San Francisco Transbay Terminal, San Francisco *

Signature Tower Jakarta Signature Tower was a proposed skyscraper in Jakarta, Indonesia. The proposed height is . The tower was proposed in 2010, with developers hoping to begin construction in 2015. Planning permission for the tower was granted in late 2015. Constru ...

, Jakarta, Indonesia *

SOCAR Tower SOCAR Tower is a skyscraper in Baku, Azerbaijan. It is the 4th tallest building in Baku and in Azerbaijan. The skyscraper serves as the headquarters of SOCAR (State Oil Company of Azerbaijan Republic). Construction started in 2010 and was comp ...

, Baku, Azerbaijan

Affiliated organizations

* Thornton Tomasetti Foundation - The Thornton Tomasetti Foundation, a tax-exempt,

nonprofit organization A nonprofit organization (NPO) or non-profit organisation, also known as a non-business entity, not-for-profit organization, or nonprofit institution, is a legal entity organized and operated for a collective, public or social benefit, in co ...

established in February 2008, is focused on funding fellowships, scholarships and internships for undergraduate students and those planning to pursue graduate studies in

building engineering Architectural engineers apply and theoretical knowledge to the engineering design of buildings and building systems. The goal is to engineer high performance buildings that are sustainable, economically viable and ensure the safety health. Archi ...

, design or technology. It also provides financial support for individuals and organizations pursuing philanthropic activities related to building engineering, design or technology. * TTWiiN – TTWiiN, an

innovation Innovation is the practical implementation of ideas that result in the introduction of new goods or services or improvement in offering goods or services. ISO TC 279 in the standard ISO 56000:2020 defines innovation as "a new or changed entity ...

accelerator, was formed following the merger of Thornton Tomasetti and Weidlinger Associates in 2015. TTWiiN identify technologies and products that have commercial applicability and appeal for a broad audience across many industries. * ACE Mentorship - Charlie Thornton founded The ACE Mentor Program, which is a not-for-profit organization, formed to enlighten and motivate students toward architecture, construction, engineering, and related careers by providing mentoring opportunities for future designers and constructors. * AEC Angels – Thornton Tomasetti is a founding member of this venture fund, which covers seed through Series B + investments in the AEC sector.

Notable alumni

External links

Thornton Tomasetti Corporate Website

Thornton Tomasetti Foundation

ACE Mentor Program

References

{{reflist Construction and civil engineering companies of the United States Construction and civil engineering companies established in 1956 Companies based in New York City 1956 establishments in New York (state) 2015 mergers and acquisitions