Priory Chapel at Saint Louis Abbey - July 2013

KAUST laboratory buildings and town mosque

HOK, formerly Hellmuth, Obata + Kassabaum and legally HOK Group, Inc., is an American design,

architecture Architecture is the art and technique of designing and building, as distinguished from the skills associated with construction. It is both the process and the product of sketching, conceiving, planning, designing, and constructing buildings ...

engineering Engineering is the use of 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 range of more speciali ...

, and

urban planning Urban planning, also known as town planning, city planning, regional planning, or rural planning, is a technical and political process that is focused on the development and design of land use and the built environment, including air, water, ...

firm, founded in 1955. As of 2018, HOK is the largest U.S.-based architecture-engineering firm and the fourth-largest interior design firm. The firm maintains more than 1,600 professional staff across a network of 24 offices, and is active in all major architectural specialties.

History

Founding

HOK was established in

St. Louis St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the bi-state metropolitan area, which e ...

Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...

, in 1955. The firm's name is derived from the surnames of its three founding partners:

George F. Hellmuth George Francis Hellmuth (1907–1999) was an American architect based in St. Louis, Missouri. Hellmuth was a native of St. Louis and son of architect George W. Hellmuth. He graduated from Washington University in St. Louis with a bachelor's deg ...

Gyo Obata Gyo Obata (小圃暁, February 28, 1923 – March 8, 2022) was an American architect, the son of painter Chiura Obata and his wife, Haruko Obata, a floral designer. In 1955, he co-founded the global architectural firm HOK (formerly Hellmuth, O ...

and

George Kassabaum George E. Kassabaum (December 5, 1920 – August 14, 1982) was an American architect, and one of the co-founders of the HOK architectural firm. Early life George Edward Kassabaum was born in Atchison, Kansas. He was the only child of George Ka ...

, all graduates of the School of Architecture at Washington University in St. Louis. The design firm started with 26 employees and its three founders. The practice's first building designs were schools in St. Louis suburbs, and St. Thomas Aquinas High School in Florissant was the first private/parochial school designed by the firm. Another prominent school they designed was the

Saint Louis Priory School , image = , address = 500 South Mason Road , city = Creve Coeur , state = Missouri , zipcode = 63141 , country = United States , ...

Early years

By the mid-1960s, the firm was winning commissions across the United States and began to open additional offices, starting with San Francisco in 1966 for the design of a library at Stanford University and Dallas in 1968 for the master planning and design of

Dallas/Fort Worth International Airport Dallas/Fort Worth International Airport , also known as DFW Airport, is the primary international airport serving the Dallas–Fort Worth metroplex and the North Texas Region in the U.S. state of Texas. It is the largest hub for American Ai ...

. Also in 1968, HOK launched its interior design practice. HOK also expanded into Washington, D.C., after winning the commission to design the

Smithsonian National Air and Space Museum The National Air and Space Museum of the Smithsonian Institution, also called the Air and Space Museum, is a museum in Washington, D.C., in the United States. Established in 1946 as the National Air Museum, it opened its main building on the Na ...

. In 1973, HOK established a presence in New York by acquiring Kahn & Jacobs, designers of many New York City skyscrapers. By the 1970s, the firm was operating internationally and in 1975 the firm was named as architect of the $3.5 billion King Saud University in

Riyadh Riyadh (, ar, الرياض, 'ar-Riyāḍ, lit.: 'The Gardens' Najdi pronunciation: ), formerly known as Hajr al-Yamamah, is the capital and largest city of Saudi Arabia. It is also the capital of the Riyadh Province and the centre of the ...

, at the time the single largest building project in the world. In 1979, George Kassabaum was elected into the

National Academy of Design The National Academy of Design is an honorary association of American artists, founded in New York City in 1825 by Samuel Morse, Asher Durand, Thomas Cole, Martin E. Thompson, Charles Cushing Wright, Ithiel Town, and others "to promote the ...

as an Associate Academician. In 1983, HOK formed HOK Sport Venue Event, a subsidiary devoted entirely to designing sport stadiums, arenas, and convention centers, an architectural boom market at the time. In January 2009, the Board of HOK Group, Inc. and managers of HOK Sports Facilities, LLC transferred ownership of HOK Sport to leaders of that practice. The company became an independent firm, and rebranded itself as Populous.

Expansion and acquisitions

HOK's first office outside the US opened in Hong Kong in 1984, and the second in London in 1987, a practice that would be expanded in 1995 by merging with the British architectural practice Cecil Denny Highton. As of April 2021, HOK operates offices in seven different countries including the US, China, India, and Canada, where it established its first offices in 1997 with the acquisition of Urbana Architects. The firm expanded into China in 2013, when it acquired the

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

and

Shanghai Shanghai (; , , Standard Chinese, Standard Mandarin pronunciation: ) is one of the four Direct-administered municipalities of China, direct-administered municipalities of the China, People's Republic of China (PRC). The city is located on the ...

offices of hospitality design firm BBG-BBGM, creating one of the world's largest interior design firms, although BBG-BBGM's office in Washington, D.C. continues to operate as BBGM. By 2007, international work represented more than 40% of HOK's annual revenue. Other domestic acquisitions include

Caudill Rowlett Scott Caudill Rowlett Scott (CRS) was an architecture firm founded in Houston, Texas, the United States in 1946. In 1983, J.E. Sirrine, an industrial engineering firm, merged with the company and the company's name was changed to CRSS, popularly known a ...

based in

Houston, Texas Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 i ...

, in November 1994, adding offices in Houston and Atlanta, and

360 Architecture 360 Architecture was an American architectural practice acquired by HOK in 2015. The firm provided services for a range of project types including corporate headquarters and commercial office buildings, sports arenas, stadiums and ballparks, mun ...

in January 2015, a 200-person,

Kansas City The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more th ...

-based firm specializing in the design of stadiums, ballparks, arenas, recreation and wellness centers, and mixed-use entertainment districts. The acquisition enabled HOK to launch a new global Sports, Recreation, and Entertainment design practice after the breakaway of Populous, and to open new offices in Kansas City and Columbus, Ohio. This return to the firm's tradition of stadium architecture was buoyed on May 15, 2015, when the firm announced a multi-year partnership with the

United Soccer League United Soccer League (USL), formerly known as United Soccer Leagues, is a soccer league in the United States and Canada. It organizes several men's and women's leagues, both professional and amateur. Men's leagues currently organized are the ...

(USL) in the US to lead a stadium development, design and standards initiative to help house all USL clubs in soccer-specific stadiums across North America by the end of the decade.

Leadership

In 2004, George Hellmuth's nephew, Bill Hellmuth, was named president of the firm. In 2012, HOK Chairman

Bill Valentine William Terry Valentine, Jr. (November 21, 1932 – April 26, 2015) was a professional baseball umpire who worked in the American League from 1963 to 1968. Valentine was an umpire in the 1965 Major League Baseball All-Star Game. In his career, he ...

retired after 50 years with the firm and was replaced by HOK

Chief Executive Officer A chief executive officer (CEO), also known as a central executive officer (CEO), chief administrator officer (CAO) or just chief executive (CE), is one of a number of corporate executives charged with the management of an organization especiall ...

Patrick MacLeamy, FAIA. In January 2016, HOK announced that Bill Hellmuth would succeed Patrick MacLeamy as CEO, effective April 19, 2016, and he would later also assume the role of chairman when it was announced that Carl Galioto had been appointed president in April 2017.

Innovation and sustainable design

In 1983, HOK introduced HOK Draw,

computer-aided drafting Computer-aided design (CAD) is the use of computers (or ) to aid in the creation, modification, analysis, or optimization of a design. This software is used to increase the productivity of the designer, improve the quality of design, improve c ...

software products that specialized in conceptual architectural design. In the early 2000s, HOK began using

Building Information Modeling Building information modeling (BIM) is a process supported by various tools, technologies and contracts involving the generation and management of digital representations of physical and functional characteristics of places. Building informatio ...

(BIM) to streamline the design and construction process. In 2012, Building Design + Construction ranked HOK the No. 1 BIM Architecture Firm. In 2013, ''DesignIntelligence'' magazine, based in part on the firm's leadership in

buildingSMART buildingSMART, formerly the International Alliance for Interoperability (IAI), is an international organisation which aims to improve the exchange of information between software applications used in the construction industry. It has developed Indu ...

and BIM, ranked HOK the No. 1 Design Firm for Technology Expertise. HOK is generally regarded as one of the leading architectural companies in the area of

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 ...

. Professionals in the firm authored one of the industry's most respected resources on the topic, "The HOK Guidebook to Sustainable Design," originally published in 2000 by

John Wiley & Sons John Wiley & Sons, Inc., commonly known as Wiley (), is an American multinational publishing company founded in 1807 that focuses on academic publishing and instructional materials. The company produces books, journals, and encyclopedias, i ...

. A second edition of the book was published in 2005. In September 2008, to better integrate nature's innovations into the design of buildings, communities and cities worldwide, HOK announced an alliance with the Biomimicry Group, co-founded by

Janine Benyus Janine M. Benyus (born 1958) is an American natural sciences writer, innovation consultant, and author. After writing books on wildlife and animal behavior, she coined the term Biomimicry to describe intentional problem-solving design inspired ...

. In 2010, HOK and energy and daylighting consultant The Weidt Group completed design of Net Zero Court, a 170,735-square-foot, market-rate, zero-emissions class A commercial office building in St. Louis. In 2013, HOK and Biomimicry 3.8 released the Genius of Biome report, a textbook for how to apply

biomimicry Biomimetics or biomimicry is the emulation of the models, systems, and elements of nature for the purpose of solving complex human problems. The terms "biomimetics" and "biomimicry" are derived from grc, βίος (''bios''), life, and μίμησ ...

design principles, and a year later in 2014, ORO Editions published “HOK Tall Buildings,” a 300-page book exploring the design of the contemporary high-rise. In 2015, for the sixth consecutive year, the ''DesignIntelligence'' journal ranked HOK as a leader in sustainable and high-performance design. HOK currently has more than 750

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, construction ...

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 ...

and WELL credentialed professionals and more than 300 green certified projects under various rating systems worldwide.

Global offices

United States: Atlanta; Chicago; Columbus, OH; Dallas; Houston; Kansas City; Los Angeles; New York; Philadelphia; St. Louis; San Francisco; Seattle; Summit, NJ; Tampa, FL; Washington, D.C. Canada: Calgary, Ottawa, Toronto Asia Pacific: Beijing, Hong Kong, Shanghai Europe: London. Also leads European Architects Network (EAN) - affiliated firms in Amsterdam, Brussels, Madrid, Milan, Paris and Rome India: Mumbai Middle East: Dubai

Selected projects

* 1962: The Priory Chapel,

, Missouri, United States * 1970:

Houston Galleria The Galleria, stylized theGalleria and also known as the Houston Galleria, is an upscale mixed-use urban development and shopping mall located in the Uptown District of Houston, Texas, United States.Houston, Texas Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 i ...

, United States * 1970:

Xerox PARC PARC (Palo Alto Research Center; formerly Xerox PARC) is a research and development company in Palo Alto, California. Founded in 1969 by Jacob E. "Jack" Goldman, chief scientist of Xerox Corporation, the company was originally a division of Xero ...

Palo Alto, California Palo Alto (; Spanish for "tall stick") is a charter city in the northwestern corner of Santa Clara County, California, United States, in the San Francisco Bay Area, named after a coastal redwood tree known as El Palo Alto. The city was es ...

, United States * 1975: King Saud University,

, Saudi Arabia * 1976:

National Air and Space Museum The National Air and Space Museum of the Smithsonian Institution, also called the Air and Space Museum, is a museum in Washington, D.C., in the United States. Established in 1946 as the National Air Museum, it opened its main building on the N ...

, Washington, D.C., United States * 1979:

Cecil H. Green Library The Cecil H. Green Library (commonly known as Green Library) is the main library on the Stanford University campus and is part of the SUL system. It is named for Cecil H. Green. Green Library houses 4 million volumes, most of which are related ...

Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is conside ...

Stanford, California Stanford is a census-designated place (CDP) in the northwest corner of Santa Clara County, California, United States. It is the home of Stanford University. The population was 21,150 at the 2020 census. Stanford is an unincorporated area of ...

, United States * 1981:

Moscone Center The George R. Moscone Convention Center (pronounced ), popularly known as the Moscone Center, is the largest convention and exhibition complex in San Francisco, California. The complex consists of three main halls spread out across three block ...

San Francisco, California San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...

, United States * 1981: Metropolitan Square, St. Louis, Missouri, United States – Current location of HOK St. Louis office * 1982:

Levi's Plaza Levi Strauss Plaza, also known as Levi Plaza or Levi's Plaza, is an office complex located in North Beach/ Telegraph Hill along The Embarcadero in San Francisco, California.Ginsberg, Steve. "Levi Strauss inks $300M headquarters deal." ''San Fran ...

, San Francisco, California, United States * 1983: King Khaled International Airport,

, Saudi Arabia * 1985: St. Louis Union Station Renovation and Redevelopment, St. Louis, Missouri, United States * 1986: BP Building

Cleveland, Ohio Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S ...

, United States * 1986: Kellogg Company Headquarters

Battle Creek, Michigan Battle Creek is a city in the U.S. state of Michigan, in northwest Calhoun County, at the confluence of the Kalamazoo and Battle Creek rivers. It is the principal city of the Battle Creek, Michigan Metropolitan Statistical Area (MSA), which enc ...

, United States * 1986: Riverchase Galleria

Birmingham, Alabama Birmingham ( ) is a city in the north central region of the U.S. state of Alabama. Birmingham is the seat of Jefferson County, Alabama's most populous county. As of the 2021 census estimates, Birmingham had a population of 197,575, down 1% f ...

, United States * 1991: 801 Grand,

Des Moines, Iowa Des Moines () is the capital and the most populous city in the U.S. state of Iowa. It is also the county seat of Polk County. A small part of the city extends into Warren County. It was incorporated on September 22, 1851, as Fort Des Moine ...

, United States (tallest building in Iowa) * 1992: Schapiro Center for Engineering and Physical Science Research (CEPSR),

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 Manhatt ...

, New York City, United States * 1993: Apple Inc. R&D Campus,

Cupertino, California Cupertino ( ) is a city in Santa Clara County, California, United States, directly west of San Jose on the western edge of the Santa Clara Valley with portions extending into the foothills of the Santa Cruz Mountains. The population was 57,82 ...

, United States * 1994:

Independence Temple The Temple in Independence, Missouri, is a house of worship and education "dedicated to the pursuit of peace". It dominates the skyline of Independence and has become the focal point of the headquarters of the Community of Christ (formerly the Re ...

Independence, Missouri Independence is the fifth-largest city in Missouri and the county seat of Jackson County, Missouri, Jackson County. Independence is a satellite city of Kansas City, Missouri, and is the largest suburb on the Missouri side of the Kansas City metro ...

, United States * 1995: Tokyo Telecom Center, Tokyo, Japan (co-designers) * 1996: Tuntex Sky Tower,

Kaohsiung Kaohsiung City ( Mandarin Chinese: ; Wade–Giles: ''Kao¹-hsiung²;'' Pinyin: ''Gāoxióng'') is a special municipality located in southern Taiwan. It ranges from the coastal urban center to the rural Yushan Range with an area of . Ka ...

, Taiwan * 1996–1997: Nortel Brampton Centre HQ,

Brampton, Ontario Brampton ( or ) is a city in the Canadian province of Ontario. Brampton is a city in the Greater Toronto Area (GTA) and is a lower-tier municipality within Peel Region. The city has a population of 656,480 as of the 2021 Census, making it ...

, Canada * 1997:

Foreign and Commonwealth Office The Foreign, Commonwealth & Development Office (FCDO) is a department of the Government of the United Kingdom. Equivalent to other countries' ministries of foreign affairs, it was created on 2 September 2020 through the merger of the Foreig ...

Restoration, London, England * 1997:

George Bush Presidential Library The George H.W. Bush Presidential Library and Museum is the presidential library and burial site of George H. W. Bush, the 41st president of the United States (1989–1993), and his wife Barbara Bush. Located on a site on the west campus of T ...

College Station, Texas College Station is a city in Brazos County, Texas, situated in East-Central Texas in the heart of the Brazos Valley, towards the eastern edge of the region known as the Texas Triangle. It is northwest of Houston and east-northeast of Austin. ...

, United States (on the campus of

Texas A&M University Texas A&M University (Texas A&M, A&M, or TAMU) is a public university, public, Land-grant university, land-grant, research university in College Station, Texas. It was founded in 1876 and became the flagship institution of the Texas A&M Unive ...

) * 1999:

Northwestern Memorial Hospital Northwestern Memorial Hospital (NMH) is a nationally ranked academic medical center located on Northwestern University’s Chicago campus in Streeterville, Chicago, Illinois. It is the flagship campus for Northwestern Medicine and the primary ...

Facility Replacement and Redevelopment,

Chicago, Illinois (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...

, United States (co-designers) * 1999: Edificio Malecon Office Tower,

Buenos Aires Buenos Aires ( or ; ), officially the Autonomous City of Buenos Aires ( es, link=no, Ciudad Autónoma de Buenos Aires), is the capital and primate city of Argentina. The city is located on the western shore of the Río de la Plata, on South ...

, Argentina * 1999: Boeing Leadership Center,

, Missouri, United States * 1999:

American Airlines Arena FTX Arena (known as American Airlines Arena from 1999 to 2021) is a multi-purpose arena located in Miami, Florida, along Biscayne Bay. It was constructed beginning in 1998 as a replacement for the Miami Arena and designed by the architecture f ...

(home of NBA

Miami Heat The Miami Heat are an American professional basketball team based in Miami. The Heat compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Southeast Division. The club plays its home games at FT ...

Miami Miami ( ), officially the City of Miami, known as "the 305", "The Magic City", and "Gateway to the Americas", is a coastal metropolis and the county seat of Miami-Dade County in South Florida, United States. With a population of 442,241 at ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...

, United States * 2000: Passenger Terminal Amsterdam,

Amsterdam Amsterdam ( , , , lit. ''The Dam on the River Amstel'') is the capital and most populous city of the Netherlands, with The Hague being the seat of government. It has a population of 907,976 within the city proper, 1,558,755 in the urban ar ...

, The Netherlands * 2000:

Nationwide Arena Nationwide Arena is a multi-purpose arena in 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 facilities in Columbus, alon ...

(home of NHL

Columbus Blue Jackets The Columbus Blue Jackets (often simply referred to as the Jackets) are a professional ice hockey team based in Columbus, Ohio. They compete in the National Hockey League (NHL) as a member of the Metropolitan Division in the Eastern Conference ...

Columbus, Ohio Columbus () is the state capital and the most populous city in the U.S. state of Ohio. With a 2020 census population of 905,748, it is the 14th-most populous city in the U.S., the second-most populous city in the Midwest, after Chicago, an ...

, United States * 2001:

United States Environmental Protection Agency The Environmental Protection Agency (EPA) is an independent executive agency of the United States federal government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it ...

Research Center,

Research Triangle Park Research Triangle Park (RTP) is the largest research park in the United States, occupying in North Carolina and hosting more than 300 companies and 65,000 workers. The facility is named for its location relative to the three surrounding cities ...

, North Carolina, United States (1.2 million-sq.-ft. campus) * 2002: Darwin Centre at the

Natural History Museum A natural history museum or museum of natural history is a scientific institution with natural history collections that include current and historical records of animals, plants, fungi, ecosystems, geology, paleontology, climatology, and more. ...

, Passenger Terminal Cork,

Cork Airport Cork Airport ( ga, Aerfort Chorcaí, ) is the second-largest of the three principal international airports in Ireland, after Dublin and ahead of Shannon. It is located in Cork City, south of the city centre in an area known as Farmers Cro ...

, Ireland * 2002: Alfred A. Arraj U.S. Courthouse,

Denver Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...

, Colorado, United States * 2003:

Steven F. Udvar-Hazy Center The Steven F. Udvar-Hazy Center, also called the Udvar-Hazy Center, is the Smithsonian National Air and Space Museum (NASM)'s annex at Washington Dulles International Airport in the Chantilly area of Fairfax County, Virginia. It holds numerous ...

of the

Chantilly, Virginia Chantilly is a census-designated place (CDP) in western Fairfax County, Virginia, Fairfax County, Virginia. The population was 24,301 as of the 2020 census. Chantilly is named after an early-19th-century mansion and farm, which in turn took the ...

, United States * 2004: Harlem Hospital Center Master Plan and Patient Pavilion, New York City, United States * 2005:

Cisco Systems Cisco Systems, Inc., commonly known as Cisco, is an American-based multinational digital communications technology conglomerate corporation headquartered in San Jose, California. Cisco develops, manufactures, and sells networking hardware, ...

Executive Briefing Center Interior Design, San Jose, California, United States * 2005: Terminal A at

Logan International Airport General Edward Lawrence Logan International Airport , also known as Boston Logan International Airport and commonly as Boston Logan, Logan Airport or simply Logan, is an international airport that is located mostly in East Boston and partial ...

, Boston, Massachusetts, United States (world's first

certified air terminal building) * 2005: Stockton Arena (home of

ECHL The ECHL (formerly the East Coast Hockey League) is a mid-level professional ice hockey league based in Shrewsbury, New Jersey, with teams scattered across the United States and Canada. It is a tier below the American Hockey League (AHL). The ...

Stockton Thunder The Stockton Thunder were a minor league professional ice hockey team that was based in Stockton, California, and a member of the ECHL. The Stockton Arena was their home ice, with a capacity of 9,737. The team was an affiliate team of the New Yo ...

Stockton, California Stockton is a city in and the county seat of San Joaquin County in the Central Valley of the U.S. state of California. Stockton was founded by Carlos Maria Weber in 1849 after he acquired Rancho Campo de los Franceses. The city is named after R ...

, United States * 2006: Lavasa Hill Station Master Plan and Design Guidelines, Moss Valley,

Pune Pune (; ; also known as Poona, ( the official name from 1818 until 1978) is one of the most important industrial and educational hubs of India, with an estimated population of 7.4 million As of 2021, Pune Metropolitan Region is the largest i ...

, India * 2006: Natural History Museum of the Adirondacks (The Wild Center),

Tupper Lake, New York Tupper Lake is a town in the southwest corner of Franklin County, New York, United States. The population was 5,971 at the 2010 census. The town contains a village called Tupper Lake. Until July 2004, the town was known as "Altamont", not to be ...

, United States * 2006:

SJ Berwin SJ Berwin LLP was a multinational law firm headquartered in London, United Kingdom. SJ Berwin merged with the Hong Kong-headquartered law firm King & Wood Mallesons on 1 November 2013, becoming the fourth member of its Swiss Verein structure. S ...

European Headquarters Interior Design, London, England, (Business Week/Architectural Record Award winner) * 2007:

Dubai Marina Dubai Marina ( ar, مرسى دبي), aka Marsa Dubai, is a district in Dubai, United Arab Emirates. It is an artificial canal city, built along a stretch of Persian Gulf shoreline. As of 2018, it has a population of 55,052. When the entire develo ...

Dubai Dubai (, ; ar, wikt:دبي, دبي, translit=Dubayy, , ) is the List of cities in the United Arab Emirates#Major cities, most populous city in the United Arab Emirates (UAE) and the capital of the Emirate of Dubai, the most populated of the 7 ...

, United Arab Emirates * 2007: Hyatt on

the Bund The Bund or Waitan (, Shanghainese romanization: ''Nga3thae1'', , ) is a waterfront area and a protected historical district in central Shanghai. The area centers on a section of Zhongshan Road (East Zhongshan Road No.1) within the former S ...

, Shanghai, China * 2007:

Sprint Center T-Mobile Center (formerly Sprint Center) is a multi-purpose arena in downtown Kansas City, Missouri. It is located at the intersection of 14th Street and Grand Boulevard on the east side of the Power & Light District. It has effectively become ...

Kansas City, Missouri Kansas City (abbreviated KC or KCMO) is the largest city in Missouri by population and area. As of the 2020 United States census, 2020 census, the city had a population of 508,090 in 2020, making it the List of United States cities by populat ...

, United States * 2008:

Frost Art Museum The Patricia and Phillip Frost Art Museum (Frost Art Museum) is an art museum located in the Modesto A. Maidique campus of Florida International University (FIU) in Miami, Florida. It was founded in 1977 as 'The Art Museum at Florida Internati ...

Florida International University Florida International University (FIU) is a public research university with its main campus in Miami-Dade County. Founded in 1965, the school opened its doors to students in 1972. FIU has grown to become the third-largest university in Florid ...

Miami, Florida Miami ( ), officially the City of Miami, known as "the 305", "The Magic City", and "Gateway to the Americas", is a coastal metropolis and the county seat of Miami-Dade County in South Florida, United States. With a population of 442,241 at ...

, United States * 2008: Midfield Terminal at the

Indianapolis International Airport Indianapolis International Airport is an international airport located seven miles (11 km) southwest of downtown Indianapolis in Marion County, Indiana, United States. It is owned and operated by the Indianapolis Airport Authority. The ...

Indianapolis, Indiana Indianapolis (), colloquially known as Indy, is the state capital and most populous city of the U.S. state of Indiana and the seat of Marion County. According to the U.S. Census Bureau, the consolidated population of Indianapolis and Mar ...

, United States (master designer) * 2008: Kansas City Power & Light District,

, United States * 2009: Doha City Centre,

Doha Doha ( ar, الدوحة, ad-Dawḥa or ''ad-Dōḥa'') is the capital city and main financial hub of Qatar. Located on the Persian Gulf coast in the east of the country, north of Al Wakrah and south of Al Khor (city), Al Khor, it is home to m ...

, Qatar, (design of five hotel towers for largest retail development in the Middle East) * 2009: King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia (Saudi Arabia's first

certified project and the world's largest LEED Platinum project) * 2009:

Carnival House Carnival House is a landmark office building in the city of Southampton, Hampshire, England. It is a purpose-built headquarters for Carnival UK, the United Kingdom operating company of Carnival Corporation & plc, the world's largest cruise ship ...

, head office of

Carnival UK Carnival Corporation & plc is a British-American cruise operator with a combined fleet of over 100 vessels across 10 cruise line brands. A dual-listed company, Carnival is composed of two companies – Panama-incorporated, US-headquartered Carniv ...

Southampton Southampton () is a port city in the ceremonial county of Hampshire in southern England. It is located approximately south-west of London and west of Portsmouth. The city forms part of the South Hampshire built-up area, which also covers Po ...

, England * 2009: Bakrie Tower,

Jakarta Jakarta (; , bew, Jakarte), officially the Special Capital Region of Jakarta ( id, Daerah Khusus Ibukota Jakarta) is the capital city, capital and list of Indonesian cities by population, largest city of Indonesia. Lying on the northwest coa ...

, Indonesia * 2009:

Huntington Park Huntington Park is a city in the Gateway Cities district of southeastern Los Angeles County, California. As of the 2010 census, the city had a total population of 58,114, of whom 97% are Hispanic/Latino and about half were born outside th ...

(home of Triple-A MiLB

Columbus Clippers The Columbus Clippers are a Minor League Baseball team of the International League (IL) and the Triple-A affiliate of the Cleveland Guardians. They are located in Columbus, Ohio, and are named for speedy merchant sailing vessels known as cli ...

, United States * 2010: Indira Gandhi International Airport – Terminal 3,

Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, primarily its western or right bank, Delhi shares borders w ...

, India (LEED Gold certification) * 2010: New Building 20 at NASA's Lyndon B. Johnson Space Center,

, (LEED Platinum certification) * 2010:

MetLife Stadium MetLife Stadium is a multi-purpose stadium at the Meadowlands Sports Complex in East Rutherford, New Jersey, 5 mi (8 km) west of New York City. Opened in 2010 to replace Giants Stadium, it serves as the home for the New York Giants a ...

(home of NFL

New York Giants The New York Giants are a professional American football team based in the New York metropolitan area. The Giants compete in the National Football League (NFL) as a member club of the league's National Football Conference (NFC) East divisio ...

and NFL

New York Jets The New York Jets are a professional American football team based in the New York metropolitan area. The Jets compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) East division. The ...

East Rutherford, New Jersey East Rutherford is a borough in Bergen County, New Jersey, United States. As of the 2020 U.S. census, the borough's population was 10,022, reflecting an increase of 1,109 (+12.4%) from the 8,913 counted in the 2010 census.

, United States * 2011:

Salvador Dalí Museum The Salvador Dalí Museum is an art museum in St. Petersburg, Florida, United States, dedicated to the works of Salvador Dalí. It is located on the downtown St. Petersburg waterfront by 5th Avenue Southeast, Bay Shore Drive, and Dan Wheldon W ...

, St. Petersburg, Florida * 2011: Brigade Gateway Enclave,

Bengaluru Bangalore (), officially Bengaluru (), is the capital and largest city of the Indian state of Karnataka. It has a population of more than and a metropolitan population of around , making it the third most populous city and fifth most ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

* 2011:

Keangnam Hanoi Landmark Tower AON Hanoi Landmark Tower (or AON Landmark 72) is a mixed-use supertall skyscraper in Pham Hung road, Nam Từ Liêm district, Hanoi, Vietnam. The complex consists of one 72-story mixed-use tower with a height of 350 m and two 48-story hotel tw ...

Hanoi Hanoi or Ha Noi ( or ; vi, Hà Nội ) is the capital and second-largest city of Vietnam. It covers an area of . It consists of 12 urban districts, one district-leveled town and 17 rural districts. Located within the Red River Delta, Hanoi i ...

, Vietnam (tallest building in Vietnam) * 2012: Canon USA Headquarters, Melville, New York * 2012: Baku

Flame Towers Flame Towers ( az, Alov qüllələri) is a group of three skyscrapers in Baku, Azerbaijan. The height of the tallest tower is . The three flame-shaped towers are intended to symbolize the elements of fire, and are a reference to Azerbaijan's nickna ...

Baku Baku (, ; az, Bakı ) is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region. Baku is located below sea level, which makes it the lowest lying national capital in the world an ...

, Azerbaijan * 2012: Harlem Hospital Center Mural Pavilion, New York City * 2013:

San Francisco Mint The San Francisco Mint is a branch of the United States Mint. Opened in 1854 to serve the gold mines of the California Gold Rush, in twenty years its operations exceeded the capacity of the first building. It moved into a new one in 1874, now kno ...

Adaptive Reuse, San Francisco, California * 2013: BBC

Broadcasting House Broadcasting House is the headquarters of the BBC, in Portland Place and Langham Place, London. The first radio broadcast from the building was made on 15 March 1932, and the building was officially opened two months later, on 15 May. The ma ...

Headquarters Workplace Strategy and Interior Design, London, England * 2013:

Husky Stadium Husky Stadium (officially Alaska Airlines Field at Husky Stadium for sponsorship purposes) is an outdoor football stadium in the northwest United States, located on the campus of the University of Washington in Seattle, Washington. It has ...

(home of University of Washington football),

Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest region o ...

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

, United States * 2013:

Auburn University Auburn University (AU or Auburn) is a public land-grant research university in Auburn, Alabama. With more than 24,600 undergraduate students and a total enrollment of more than 30,000 with 1,330 faculty members, Auburn is the second largest ...

Recreation & Wellness Center,

Auburn, Alabama Auburn is a city in Lee County, Alabama, United States. It is the largest city in eastern Alabama, with a 2020 population of 76,143. It is a principal city of the Auburn-Opelika Metropolitan Area. The Auburn-Opelika, AL MSA with a population ...

, United States * 2014:

535 Mission Street __NOTOC__ Year 535 ( DXXXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Belisarius without colleague (or, less frequently, year 12 ...

, San Francisco, California, United States * 2014:

Anaheim Regional Transportation Intermodal Center The Anaheim Regional Transportation Intermodal Center (ARTIC) is an intermodal transit center in Anaheim, California, United States. It serves as a train station for Amtrak intercity rail and Metrolink commuter rail, as well as a bus station ...

, Anaheim, California, United States * 2014:

National Oceanic and Atmospheric Administration The National Oceanic and Atmospheric Administration (abbreviated as NOAA ) is an United States scientific and regulatory agency within the United States Department of Commerce that forecasts weather, monitors oceanic and atmospheric conditi ...

Inouye Regional Center, Pearl Harbor, Hawaii, United States * 2014:

Hamad International Airport Hamad International Airport ( ar, مطار حمد الدولي, ') is an international airport in the State of Qatar, and the home of Qatar’s flag carrier airline, Qatar Airways. Located east of its capital, Doha, it replaced the nearby Do ...

Passenger Terminal Complex,

, Qatar * 2015:

PayPal Park PayPal Park (formerly Earthquakes Stadium and Avaya Stadium) is a soccer-specific stadium in San Jose, California, United States, and is the home of Major League Soccer's San Jose Earthquakes. The stadium is located on the Airport West site tha ...

(home of

MLS Major League Soccer (MLS) is a men's professional soccer league sanctioned by the United States Soccer Federation, which represents the sport's highest level in the United States. The league comprises 29 teams—26 in the U.S. and 3 in Canada ...

San Jose Earthquakes The San Jose Earthquakes are an American professional soccer team based in San Jose, California. The Earthquakes compete as a member club of the Western Conference of Major League Soccer (MLS). Originally as the San Jose Clash, the franchise ...

San Jose, California San Jose, officially San José (; ; ), is a major city in the U.S. state of California that is the cultural, financial, and political center of Silicon Valley and largest city in Northern California by both population and area. With a 2020 popu ...

, United States * 2015:

Porsche Dr. Ing. h.c. F. Porsche AG, usually shortened to Porsche (; see below), is a German automobile manufacturer specializing in high-performance sports cars, SUVs and sedans, headquartered in Stuttgart, Baden-Württemberg, Germany. The company ...

U.S. Headquarters and Customer Experience Center,

Atlanta, Georgia Atlanta ( ) is the capital city, capital and List of municipalities in Georgia (U.S. state), most populous city of the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georgia, Fulton County, the mos ...

* 2015:

University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the b ...

William Eckhardt Research Center,

Chicago, Illinois (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...

* 2016:

Abu Dhabi National Oil Company The Abu Dhabi National Oil Company ( ar, شركة بترول أبوظبي الوطنية) or ADNOC is the State-owned oil company of the United Arab Emirates (UAE). It is the world's 12th largest oil company by production. As of 2021, the compan ...

Headquarters,

Abu Dhabi Abu Dhabi (, ; ar, أَبُو ظَبْيٍ ' ) is the Capital city, capital and List of cities in the United Arab Emirates, second-most populous city (after Dubai) of the United Arab Emirates. It is also the capital of the Emirate of Abu Dha ...

, United Arab Emirates * 2016: Rogers Place (home of NHL

Edmonton Oilers The Edmonton Oilers are a professional ice hockey team based in Edmonton. The Oilers compete in the National Hockey League (NHL) as a member of the Pacific Division of the Western Conference. They play their home games at Rogers Place, which ...

Edmonton Edmonton ( ) is the capital city of the Canadian province of Alberta. Edmonton is situated on the North Saskatchewan River and is the centre of the Edmonton Metropolitan Region, which is surrounded by Alberta's central region. The city an ...

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest T ...

, Canada * 2016: Perot Tower, Mixed Use,

Dallas Dallas () is the third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the fourth-largest metropolitan area in the United States at 7.5 million people. It is the largest city in and seat of Dallas County ...

Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...

* 2016:

St Bartholomew's Hospital St Bartholomew's Hospital, commonly known as Barts, is a teaching hospital located in the City of London. It was founded in 1123 and is currently run by Barts Health NHS Trust. History Early history Barts was founded in 1123 by Rahere (die ...

Redevelopment and King George V Building,

London, England 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 major se ...

* 2017:

University at Buffalo The State University of New York at Buffalo, commonly called the University at Buffalo (UB) and sometimes called SUNY Buffalo, is a public research university with campuses in Buffalo and Amherst, New York. The university was founded in 18 ...

School of Medicine and Biomedical Sciences, Buffalo, New York * 2017: Capital Market Authority Tower,

, Saudi Arabia * 2017:

Mercedes-Benz Stadium Mercedes-Benz Stadium is a multi-purpose stadium located in Atlanta, Georgia, United States. Opened in August 2017 as a replacement for the Georgia Dome, it serves as the home stadium of the Atlanta Falcons of the National Football League ( ...

(home of the NFL's

Atlanta Falcons The Atlanta Falcons are a professional American football team based in Atlanta. The Falcons compete in the National Football League (NFL) as a member club of the league's National Football Conference (NFC) NFC South, South division. The Falcon ...

and

Atlanta United FC Atlanta United FC, commonly known as Atlanta United, is an American professional soccer club based in Atlanta that competes in Major League Soccer (MLS) as a member of the league's Eastern Conference. Founded in 2014, Atlanta United began pl ...

)

Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,7 ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

, United States * 2017:

Little Caesars Arena Little Caesars Arena is a multi-purpose arena in Midtown Detroit. Opened on September 5, 2017, the arena, which cost $862.9 million to construct, replaced Joe Louis Arena and The Palace of Auburn Hills as the home of the Detroit Red Wings o ...

(home of NHL's

Detroit Red Wings The Detroit Red Wings (colloquially referred to as the Wings) are a professional ice hockey team based in Detroit. The Red Wings compete in the National Hockey League (NHL) as a member of the Atlantic Division in the Eastern Conference, and are ...

and NBA's

Detroit Pistons The Detroit Pistons are an American professional basketball team based in Detroit. The Pistons compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Central Division and play their home games at L ...

Detroit Detroit ( , ; , ) is the largest city in the U.S. state of Michigan. It is also the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. The City of Detroit had a population of 639,111 at t ...

Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and t ...

, United States * 2018:

Hartsfield–Jackson Atlanta International Airport Hartsfield–Jackson Atlanta International Airport , also known as Atlanta Hartsfield–Jackson International Airport, Atlanta Airport, Hartsfield, Hartsfield–Jackson and, formerly, as the Atlanta Municipal Airport, is the primary internatio ...

Passenger Terminal Modernization, Atlanta * 2018:

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 ...

Central Terminal B,

Queens, New York Queens is a borough of New York City, coextensive with Queens County, in the U.S. state of New York. Located on Long Island, it is the largest New York City borough by area. It is bordered by the borough of Brooklyn at the western tip of Long ...

(Phase 1) * 2018: Central and Wolfe Campus,

Sunnyvale, California Sunnyvale () is a city located in the Santa Clara Valley in northwest Santa Clara County in the U.S. state of California. Sunnyvale lies along the historic El Camino Real and Highway 101 and is bordered by portions of San Jose to the nor ...

, United States * 2018:

Kentucky International Convention Center The Kentucky International Convention Center (KICC), formerly called the Commonwealth Convention Center, is a large multi-use facility in Louisville, Kentucky, United States. The KICC, along with the Kentucky Exposition Center, hosts conventions f ...

Redevelopment,

Louisville, Kentucky Louisville ( , , ) is the largest city in the Commonwealth of Kentucky and the 28th most-populous city in the United States. Louisville is the historical seat and, since 2003, the nominal seat of Jefferson County, on the Indiana border ...

, United States * 2018: LG Science Park,

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

, South Korea * 2019:

FC Barcelona Futbol Club Barcelona (), commonly referred to as Barcelona and colloquially known as Barça (), is a professional football club based in Barcelona, Catalonia, Spain, that competes in La Liga, the top flight of Spanish football. Found ...

New Palau Blaugrana Arena,

Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within c ...

, Spain * 2019:

Las Vegas Ballpark Las Vegas Ballpark is a baseball stadium in Summerlin South, Nevada, Summerlin South, Nevada in the Las Vegas Valley. It is the home field for the Las Vegas Aviators of the Pacific Coast League. The stadium is owned by the Howard Hughes Corporati ...

(home of

Pacific Coast League The Pacific Coast League (PCL) is a Minor League Baseball league that operates in the Western United States. Along with the International League, it is one of two leagues playing at the Triple-A level, which is one grade below Major League Ba ...

Las Vegas Aviators The Las Vegas Aviators, formerly known as the Las Vegas 51s and Las Vegas Stars, are a Minor League Baseball team of the Pacific Coast League (PCL) and the Triple-A affiliate of the Oakland Athletics. They are located in Summerlin South, Nevada ...

Summerlin, Nevada Summerlin is a master-planned community in the Las Vegas Valley of Southern Nevada. It lies at the edge of the Spring Mountains and Red Rock Canyon to the west; it is partly within the official city limits of Las Vegas and partly within uninc ...

, United States * 2020:

World Trade Center Towers World Trade Centers are sites recognized by the World Trade Centers Association. World Trade Center may refer to: Buildings * List of World Trade Centers * World Trade Center (2001–present), a building complex that includes five skyscrapers, a ...

Chennai Chennai (, ), formerly known as Madras ( the official name until 1996), is the capital city of Tamil Nadu, the southernmost Indian state. The largest city of the state in area and population, Chennai is located on the Coromandel Coast of th ...

* 2020:

Lynn Family Stadium Lynn Family Stadium is a soccer-specific stadium in the Butchertown neighborhood of Louisville, Kentucky, in the United States. The field is home to Louisville City FC of the USL Championship (USLC) since its opening in 2020, along with th ...

(home of the

USL Championship The USL Championship (USLC) is a professional men's soccer league in the United States that began its inaugural season in 2011. The USL is sanctioned by the United States Soccer Federation (U.S. Soccer) as a Division II league since 2017, p ...

Louisville City FC Louisville City Football Club is an American professional soccer club based in Louisville, Kentucky. The team plays in the USL Championship, known through the 2018 season as the United Soccer League (USL), which is currently the second tier of th ...

and the

NWSL The National Women's Soccer League (NWSL) is a professional women's soccer league at the top of the United States league system. It is owned by the teams and, until 2020, was under a management contract with the United States Soccer Federatio ...

Racing Louisville FC Racing Louisville Football Club is a National Women's Soccer League team based in Louisville, Kentucky. It began playing in 2021 at Lynn Family Stadium. The team is owned by Soccer Holdings LLC, which also owns Louisville City FC of the USL Cham ...

), Louisville, Kentucky, United States * 2020: Spire London Skyscraper, London, England * 2021: UPMC Vision and Rehabilitation Hospital at

UPMC Mercy UPMC Mercy is a main hospital facility of the University of Pittsburgh Medical Center (UPMC) and is located in the Uptown section of the city of Pittsburgh, Pennsylvania, adjacent to Duquesne University, and a few blocks from the PPG Paints Aren ...

Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...

, Pennsylvania, United States

References

External links

Official website
{{DEFAULTSORT:Hellmuth, Obata And Kassabaum 1955 establishments in Missouri Architecture firms based in Missouri Companies based in St. Louis Design companies established in 1955