Thornton Tomasetti is an American science and engineering consulting firm headquartered in

New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...

, United States. It operates globally and employs over 1,500 people. It was formerly known as 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 client ...

Services

Thornton Tomasetti has expertise in

structural engineering Structural engineering is a sub-discipline of civil engineering in which structural engineers are trained to design the 'bones and joints' that create the form and shape of human-made Structure#Load-bearing, structures. Structural engineers also ...

, facade engineering,

forensic engineering Forensic engineering has been defined as "the investigation of failures—ranging from serviceability to catastrophic—which may lead to legal activity, including both civil and criminal". The forensic engineering field is very broad in terms o ...

, 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renovations Renovation (also called remodeling) is the process of improving broken, damaged, or outdated structures.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, o ...

construction engineering Construction engineering, also known as construction operations, is a professional subdiscipline of civil engineering that deals with the designing, planning, construction, and operations management of infrastructure such as roadways, tunnels, bri ...

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 communi ...

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 application of the scientific method and scientific knowledge to attain practical goals. It includes a broad range of disciplines, such as engineering and medicine. Applied science is often contrasted with basic science, ...

, protective design and security,

civil engineering Civil engineering is a regulation and licensure in engineering, professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads ...

and

bridge A bridge is a structure built to Span (engineering), span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, whi ...

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 some countries as OKB, experiment and design, is the set of innovative activities undertaken by corporations or governments in developing new services or products. R&D constitutes the first stage ...

CORE teams, which provides technology-focused expertise, computational simulation and

software development Software development is the process of designing and Implementation, implementing a software solution to Computer user satisfaction, satisfy a User (computing), user. The process is more encompassing than Computer programming, programming, wri ...

as well as

artificial intelligence Artificial intelligence (AI) is the capability of computer, computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of re ...

and

machine learning Machine learning (ML) is a field of study in artificial intelligence concerned with the development and study of Computational statistics, statistical algorithms that can learn from data and generalise to unseen data, and thus perform Task ( ...

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

ETH Zurich ETH Zurich (; ) is a public university in Zurich, Switzerland. Founded in 1854 with the stated mission to educate engineers and scientists, the university focuses primarily on science, technology, engineering, and mathematics. ETH Zurich ran ...

Zurich Zurich (; ) is the list of cities in Switzerland, largest city in Switzerland and the capital of the canton of Zurich. It is in north-central Switzerland, at the northwestern tip of Lake Zurich. , the municipality had 448,664 inhabitants. The ...

. He apprenticed with

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

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

and

László Moholy-Nagy László Moholy-Nagy (; ; born László Weisz; July 20, 1895 – November 24, 1946) was a Kingdom of Hungary, Hungarian painter and photographer as well as a professor in the Bauhaus school. He was highly influenced by Constructivism (art), con ...

London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...

before coming to the United States in the late 1940s. 1950s—Applied Science division launched: Paul Weidlinger, Dr.

Mario Salvadori Mario G. Salvadori (March 19, 1907 – June 25, 1997)Goldberger, Paul (June 28, 1997) ''The New York Times''. was an American structural engineer and professor of both civil engineering and architecture at Columbia University. Early life Sal ...

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 automatically carry out sequences of arithmetic or logical operations ('' computation''). Modern digital electronic computers can perform generic sets of operations known as ''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 ...

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 university, private research university in New York City, New York, United States. Chartered in 1831 by the New York State Legislature, NYU was founded in 1832 by Albert Gallatin as a Nondenominational ...

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 New York World's Fair (also known as the 1964–1965 New York World's Fair) was an international exposition at Flushing Meadows–Corona Park in Queens, New York City, United States. The fair included exhibitions, activities, perform ...

(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 structure Tension is the pulling or stretching force transmitted axially along an object such as a string, rope, chain, rod, truss member, or other object, so as to stretch or pull apart the object. In terms of force, it is the opposite of ''compression ...

s, among them the

New York State Pavilion The New York State Pavilion is a pavilion at Flushing Meadows–Corona Park in Queens, New York City, New York. Constructed for the 1964 New York World's Fair, it was designed by the architects Philip Johnson and Richard Foster, with Lev Zet ...

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 Avenue (Manhattan), Seventh and Eighth Avenue (Manhattan), Eig ...

, the

Seoul Seoul, officially Seoul Special Metropolitan City, is the capital city, capital and largest city of South Korea. The broader Seoul Metropolitan Area, encompassing Seoul, Gyeonggi Province and Incheon, emerged as the world's List of cities b ...

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. It was constructed between 31 August 1984 and 30 April 1986, to ho ...

Tropicana Field Tropicana Field (nicknamed "The Trop") is a domed multipurpose stadium located in St. Petersburg, Florida, United States. "The Trop" was the home of the Tampa Bay Rays of Major League Baseball (MLB) from 1998 Tampa Bay Devil Rays season, 1998 to ...

, and the

Georgia Dome The Georgia Dome was a Stadium#Types, domed stadium in the Southeastern United States. Located in Atlanta between downtown Atlanta, downtown to the east and Vine City to the west, it was owned and operated by the State of Georgia as part of th ...

. 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 astron ...

and

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

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), formally known as the 1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water, prohibited all test detonations of nuclear weapons except for those conducted underground. It ...

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, also known as 9/11, were four coordinated Islamist terrorist suicide attacks by al-Qaeda against the United States in 2001. Nineteen terrorists hijacked four commercial airliners, crashing the first two into ...

, 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 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 The Taipei 101 (; stylized in all caps), formerly known as the Taipei World Financial Center, is a 508 m (1,667 ft), 101-story skyscraper in Taipei, Taiwan. It is owned by Taipei Financial Center Corporation. It was Council on Tall Buildings ...

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 The term structural system or structural frame in structural engineering refers to the load-resisting sub-system of a building or object. The structural system transfers loads through interconnected elements or members. Commonly used structu ...

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 Hurricane Sandy (unofficially referred to as Superstorm Sandy) was an extremely large and devastating tropical cyclone which ravaged the Caribbean and the coastal Mid-Atlantic (United States), Mid-Atlantic region of the United States in late ...

: On October 29, 2012, Hurricane Sandy made landfall near

Atlantic City Atlantic City, sometimes referred to by its initials A.C., is a Jersey Shore seaside resort city in Atlantic County, in the U.S. state of New Jersey. Atlantic City comprises the second half of the Atlantic City- Hammonton metropolitan sta ...

New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...

. 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, New York, U.S. Located on the western sidewalk of Seventh Avenue (Manhattan), Seventh Avenue between 41st ...

, 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 745 Seventh Avenue (also known as the Lehman Brothers Building and Barclays Building) is a , 38-story skyscraper in the Midtown Manhattan neighborhood of New York City, New York. Designed by Kohn Pedersen Fox and originally built in 2001 for fi ...

, 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 is a mixed-use glass skyscraper on Lexington Avenue, on the East Side of Midtown Manhattan, New York City. Opened in 2004, it houses the headquarters of Bloomberg L.P. and as a result, is sometimes referred to informally as ...

, 731 Lexington Avenue, New York * CBS 2 Broadcast Center, Chicago * Chase Center, Chicago * Chifley Tower, Sydney, Australia * Children's Museum of Los Angeles, Los Angeles * Citicorp Center, Chicago, Illinois * City View Tower, Chicago, Illinois * Conrad Chicago Hotel, Chicago *

Comcast Technology Center The Comcast Technology Center is a supertall skyscraper in Center City Philadelphia. The 60-floor building, with a height of , is the tallest building in both Philadelphia and the state of Pennsylvania and the tallest building in the Wester ...

, 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 () 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 East or Vostok (Russian: Восток; literally means "East") and T ...

, Moscow * Fifty South Sixth, Minneapolis * Furman Hall, New York *

Great American Tower at Queen City Square The Great American Tower at Queen City Square is a 41-story, skyscraper in Cincinnati, Ohio, which opened in January 2011. The tower was built by Western & Southern Financial Group at a cost of $322 million including $65 million of ta ...

, 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 12 ...

, Chicago *

Lotte Center Hanoi Lotte Center Hanoi is a skyscraper in Ba Đình, Hanoi, Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 10 ...

, Hanoi, Vietnam * McMahon Hall of Fordham University, New York *

Menara Maxis Maxis Tower () is a 49-storey, office skyscraper in Kuala Lumpur City Centre, Kuala Lumpur, Malaysia. The tower serves as headquarters of Maxis Communications and Tanjong Plc Group of Companies. Maxis Tower was developed by KLCC Properties Ho ...

, 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 The New York Times Building is a 52-story skyscraper at 620 Eighth Avenue, between 40th and 41st Streets near Times Square, on the west side of Midtown Manhattan in New York City, New York, U.S. Its chief tenant is the New York Times Company, ...

, New York * One Indiana Square, Indianapolis *

One Liberty Place Liberty Place is a skyscraper complex in Philadelphia, Pennsylvania, United States. 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 ...

, 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 Palazzo Lombardia ("Lombardy Building") is an office complex in Milan, Italy, including a 43-storey, tall skyscraper. It is the main seat of the Lombardy regional government, located in the Centro Direzionale di Milano (CBD, Central Business ...

, Milan, Italy * Park Alexandria, Chicago *

Petronas Towers The Petronas Towers (), also known as the Petronas Twin Towers and colloquially the KLCC Twin Towers, are an interlinked pair of 88-storey supertall skyscrapers in Kuala Lumpur, Malaysia, standing at . From 1996 to 2004, they were the tall ...

, Kuala Lumpur, Malaysia *

Ping An Finance Centre The Ping An Finance Center () is a 115-storey, supertall skyscraper in Shenzhen, Guangdong, China. It was completed in 2017, and is the tallest building in Shenzhen, the 2nd tallest building in China and the 5th tallest building in the wor ...

, Shenzhen, China * Plaza 66, Shanghai, PRC * Prentice Women's Hospital, Chicago * R R Donnely Building, Chicago * Random House World Headquarters, New York *

Shanghai Tower The Shanghai Tower is a 128-story, megatall skyscraper located in Lujiazui, Pudong, Shanghai.

, 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, New York, U.S. Located on the city block bounded by Broadway, 42nd ...

, New York * UBS Tower, 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, Dallas *

Wuhan Greenland Center Wuhan Greenland Center is a tall skyscraper in Wuhan, China. The tower was originally planned to be , but it was redesigned mid-construction due to airspace regulations so its height does not exceed above ground level. The building was desi ...

, Wuhan, China

Stadiums and convention centers

American Airlines Arena Kaseya Center is a multi-purpose arena on Biscayne Bay in Miami, Florida. The arena is home to the Miami Heat of the National Basketball Association. The arena was previously named American Airlines Arena from opening in 1999 until 2021, FTX ...

, Miami * Arvest Ballpark. Springdale, Arkansas *

Al-Najaf International Stadium Al-Najaf International Stadium () is a stadium in Najaf, Iraq, which opened on 5 May 2018. It is used mostly for football matches, and serves as the home stadium of Al-Najaf FC and Naft Al-Wasat SC. The stadium has a capacity of 30,000 spectators ...

, Najaf, Iraq *

AT&T Park Oracle Park is a ballpark in the South of Market, San Francisco, SoMa district of San Francisco, California. Since 2000, it has been the home of the San Francisco Giants of Major League Baseball (MLB). The stadium stands along San Francisco Bay ...

, San Francisco *

Baku National Stadium Baku Olympic Stadium () 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 Football (FIFA) and the Interna ...

, Baku, Azerbaijan *

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

, Denver *

Banc of California Stadium BMO Stadium (formerly Banc of California Stadium) is a soccer-specific stadium in the Exposition Park neighborhood of Los Angeles, California, United States. It is the home of Major League Soccer's Los Angeles FC and the National Women's S ...

, 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 Liber ...

, Brooklyn, New York * Basra Sports City, Basra, Iraq *

BMO Field BMO Field is an outdoor stadium located at Exhibition Place in Toronto, Ontario, Canada. Constructed on the former Exhibition Stadium site and first opened in 2007, it is the home field of Toronto FC of Major League Soccer (MLS) and Toronto Ar ...

, Toronto, Canada *

BOK Center 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. The two current permanent tenants are the Tulsa Oilers of the ECHL and the Tulsa Oiler ...

, Tulsa, Oklahoma *

Bridgestone Arena Bridgestone Arena (originally Nashville Arena, and formerly Gaylord Entertainment Center and Sommet Center) is a multi-purpose indoor arena in downtown Nashville, Tennessee, United States. Completed in 1996, it is the home of the Nashville Predat ...

, Nashville, Tennessee *

Children's Mercy Park Children's Mercy Park is a soccer-specific stadium in Kansas City, Kansas, United States, and is the team home for Sporting Kansas City of Major League Soccer (MLS). The stadium is located near Kansas Speedway, on the far west side of Wyandot ...

, 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 the Seattle Center, the site of the 1962 World's Fair, for which it was ...

, Seattle, Washington *

CONSOL Energy Center PPG Paints Arena is a multi-purpose indoor arena in Pittsburgh, Pennsylvania, 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 Leagu ...

, 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), the Michigan Panthers of the United Football League (UFL), the Mid-Americ ...

, Detroit, Michigan *

Golden 1 Center Golden 1 Center is an indoor arena in downtown Sacramento, California, United States. It sits partially on the site of the former Downtown Plaza shopping center. The publicly owned arena is part of a business and entertainment district called ...

, Sacramento, California *

Honda Center 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, it w ...

, Anaheim, California *

Jeju World Cup Stadium Jeju World Cup Stadium is a football stadium located in the city of Seogwipo, on the South Korean island of Jeju, which is administratively part of the eponymous province. Since 2006, the stadium has been home of the K League club Jeju SK. It ...

, Seogwipo, South Korea *

Kohl Center The Kohl Center is a multi-purpose arena located at the University of Wisconsin–Madison, United States. The arena opened in 1998 and is the home of the university's men's basketball and ice hockey teams, and the women's basketball team. The ...

, Madison, Wisconsin *

MetLife Stadium MetLife Stadium is a multi-purpose stadium at the Meadowlands Sports Complex in East Rutherford, New Jersey, United States, 5 mi (8 km) west of New York City. It opened in 2010, replacing Giants Stadium, and serves as the home for the ...

, East Rutherford, New Jersey *

Nationals Park Nationals Park is a baseball stadium along the Anacostia River in the Navy Yard (Washington, D.C.), Navy Yard neighborhood of Washington, D.C. It is the ballpark of Major League Baseball's Washington Nationals. Since its completion in 2008, it wa ...

, Washington, D.C. *

Nationwide Arena Nationwide Arena is a multi-purpose arena in the Arena District of Columbus, Ohio, United States. Since completion in 2000, the arena has served as the home of the Columbus Blue Jackets of the National Hockey League (NHL). It is one of two faci ...

, Columbus, Ohio *

Petco Park Petco Park is a ballpark in San Diego, California. It is the home of the San Diego Padres of Major League Baseball (MLB). The ballpark is located in the East Village neighborhood of downtown San Diego, adjacent to the Gaslamp Quarter. Petco Par ...

, San Diego *

Philips Arena State Farm Arena is a Multi-purpose stadium, multi-purpose arena located in Atlanta, Georgia. The arena serves as the home venue for the Atlanta Hawks of the National Basketball Association (NBA). It also served as home to the Atlanta Thrasher ...

, Atlanta *

PNC Park PNC Park is a baseball stadium on the North Shore (Pittsburgh), North Shore of Pittsburgh, Pennsylvania. It is the fifth location to serve as the ballpark of Major League Baseball's Pittsburgh Pirates. Opened during the 2001 Major League Baseb ...

, Pittsburgh *

Prudential Center Prudential Center is a multipurpose indoor arena in the central business district of Newark, New Jersey, United States. Opened in 2007, it is the home of the New Jersey Devils of the National Hockey League (NHL), the New York Sirens of the Pro ...

, 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 18,347 as a ice hockey, hockey venue and 20,73 ...

, Edmonton, Canada *

Soldier Field Soldier Field is a multi-purpose stadium on the Near South Side, Chicago, 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 from the National ...

, Chicago *

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

, Chicago *

U.S. Cellular Field Rate Field (formerly named Comiskey Park, U.S. Cellular Field and Guaranteed Rate Field) is a baseball stadium located on the South Side of Chicago, Illinois. It is the home ballpark of Major League Baseball's Chicago White Sox, one of the city ...

, 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 Vidéotron Centre ( French: ''Centre Vidéotron'') is an indoor arena in Quebec City, Quebec, Canada. The 18,259-seat arena replaced Colisée Pepsi as Quebec City's primary venue for indoor events. The arena is primarily used for ice hockey, ser ...

, Quebec City *

Yankee Stadium Yankee Stadium is a baseball stadium located in the Bronx in New York City. It is the home field of Major League Baseball’s New York Yankees and New York City FC of Major League Soccer. The stadium opened in April 2009, replacing the Yankee S ...

, New York

Renewal and rehabilitation

Chrysler Building The Chrysler Building is a , Art Deco skyscraper in the East Midtown neighborhood of Manhattan, New York City, United States. Located at the intersection of 42nd Street and Lexington Avenue, it is the tallest brick building in the world wit ...

– Facade Rehabilitation, New York *

Kaufmann Stadium Kauffman Stadium () (nicknamed "The K") is a ballpark located in Kansas City, Missouri, and the home of Major League Baseball's Kansas City Royals. It is next door to Arrowhead Stadium, home of National Football League's Kansas City Chiefs. Bo ...

- Renovation, Jackson County, Missouri *

United States Capitol dome The United States Capitol features a dome situated above its rotunda. The dome is in height and in diameter. Designed by Thomas U. Walter, the fourth Architect of the Capitol, it was constructed between 1855 and 1866 at a cost of $1,047,291 ...

– 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, 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 t ...

* 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 ...

, The Bahamas *

, Philadelphia *

CPKC Stadium CPKC Stadium is a soccer-specific stadium located in Kansas City, Missouri, that serves as the home ground for the Kansas City Current of the National Women's Soccer League. The stadium opened for the Current's first home match of the 2024 Kansa ...

, Kansas City, Missouri * Diamond of Istanbul, Istanbul, Turkey *

Jeddah Tower Jeddah Tower or Burj Jeddah (, ) is a skyscraper under-construction in Jeddah, Saudi Arabia. It is planned to be the first building and would be the world's tallest building or structure upon completion, standing taller than the Burj Khali ...

, Jeddah, Saudi Arabia * Moscow International Business Center Lot 13, Moscow * Museum of the Built Environment, Riyadh, Saudi Arabia * One Broadway Plaza, Santa Ana, California *

San Francisco Transbay Terminal The San Francisco Transbay Terminal was a transportation complex in San Francisco, California, United States, roughly in the center of the rectangle bounded north–south by Mission Street and Howard Street, and east–west by Beale Street an ...

, 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. Construct ...

, Jakarta, Indonesia *

SOCAR Tower SOCAR Tower is a skyscraper in Baku, Azerbaijan. It is the 2nd tallest building in Baku and in Azerbaijan. The skyscraper serves as the headquarters of SOCAR (State Oil Company of the Azerbaijan Republic). It is one of Baku's major landmarks, a ...

, Baku, Azerbaijan

Affiliated organizations

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

nonprofit organization A nonprofit organization (NPO), also known as a nonbusiness entity, nonprofit institution, not-for-profit organization, or simply a nonprofit, is a non-governmental (private) legal entity organized and operated for a collective, public, or so ...

established in February 2008, is focused on funding fellowships,

scholarships A scholarship is a form of financial aid awarded to students for further education. Generally, scholarships are awarded based on a set of criteria such as academic merit, diversity and inclusion, athletic skill, and financial need, research ...

and

internships An internship is a period of work experience offered by an organization for a limited period of time. Once confined to medical graduates, internship is used to practice for a wide range of placements in businesses, non-profit organizations and g ...

for undergraduate students and those planning to pursue graduate studies in

building engineering Architectural engineering or architecture engineering, also known as building engineering, is a Academic discipline, discipline that deals with the engineering and construction of buildings, such as environmental, structural, mechanical, electri ...

, 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 service (economics), services or improvement in offering goods or services. ISO TC 279 in the standard ISO 56000:2020 defines innovation as "a n ...

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 Venture capital (VC) is a form of private equity financing provided by firms or funds to startup, early-stage, and emerging companies, that have been deemed to have high growth potential or that have demonstrated high growth in terms of number o ...

, 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