1954–1959 — Mile High Center, in Denver, Colorado, USA
1960– Erieview Plan Cleveland, Ohio
1961–1967 — National Center for Atmospheric Research, in Boulder, Colorado, USA
1961 — Kips Bay Plaza, in New York, New York, USA 
1961 — Government Center Master Plan, Boston, Massachusetts, USA
1962 — Place Ville-Marie, in Montreal, Quebec, Canada
1962 — Kennedy Theatre, University of Hawaii, USA, Official web page
1962 — Hale Manoa Dormitory, East West Center, University of Hawaii, USA
1963 — Luce Memorial Chapel, Tunghai University, Taichung, Taiwan
1963 — Society Hill Towers – Philadelphia, PA, Unofficial website
1964 — Green Building, Massachusetts Institute of Technology
1964 — S.I. Newhouse School of Public Communications at Syracuse University — Syracuse, New York
1966–1968 — Sculpture Wing of the Des Moines Art Center in Des Moines, Iowa
Official page of Pei's Sculpture Wing
1966 — Silver Towers at New York University
1967 — Hoffman Hall at University of Southern California
1968–1972 — 50 FAA air traffic control towers, in various locations throughout the United States, such as O'Hare International Airport, Lambert-St. Louis International Airport, Columbia Metropolitan Airport (South Carolina), and Indianapolis International Airport (since demolished).
1968–1974 — Christian Science Center, in Boston, Massachusetts
1968 — Everson Museum of Art, in Syracuse, New York
1969 — Bushnell Tower, in Hartford, Connecticut, Building website
1969 — Cleo Rogers Memorial Library, in Columbus, Indiana
1969 — Academic Center, State University of New York at Fredonia, Fredonia, New York
1970 — Sundrome (National Airlines terminal) at JFK Airport in New York, New York
1971 — Harbor Towers, in Boston, Massachusetts
1971 — American Life Insurance Company Building (renamed Wilmington Tower), in Wilmington, Delaware
1972 — Governor's Residence Halls at SUNY Buffalo
1972 — Dallas City Hall, Dallas, Texas
1972 — Paul Mellon Arts Center at Choate Rosemary Hall in Wallingford, Connecticut
1972 — Pei Residence Halls at New College of Florida, Sarasota, Florida
1973 — Commerce Court West in Toronto, Ontario
1973 — Spelman Halls at Princeton University
1973 — Herbert F. Johnson Museum of Art, Cornell University, in Ithaca, New York
1974–1978 — East Building, National Gallery of Art, in Washington, DC
Official East Building project webpage
1975 — OCBC Centre in Singapore.
1975 — The Lamar Building Penthouse in Augusta, Georgia
1976 — National Bank of Commerce building, in Lincoln, Nebraska 
1976 — John Hancock Tower, in Boston, Massachusetts — Pei gives Henry Cobb the credit for this building
1976 — University of Rochester's Wilson Commons
1978–1982 — Indiana University Art Museum in Bloomington, Indiana
1979 — John F. Kennedy Library, in Boston, Massachusetts
1979 — One Dallas Centre, in Dallas, Texas
1979 — Baltimore World Trade Center, in Baltimore, Maryland
1979–1986 — Javits Convention Center in New York, New York
1980–1985 — Raffles City in Singapore.
1981 — the Texas Commerce Tower in Houston, Texas, currently the JPMorgan Chase Tower; (3D/International cooperated with Pei on the design of this building). The nearby drive-in bank was Pei's first drive in bank project.
1982 — 16th Street Mall in Denver, Colorado.
1982–1990 — Bank of China Tower, in Hong Kong
Bank of China Tower project website
1982 — Apartment for Steve Jobs
1983 — ARCO Tower, Dallas, Texas
1985 — Wiesner building, MIT, Cambridge, Massachusetts
1986 — Fountain Place, Dallas, Texas
1987 — CenTrust Tower (now Bank of America Tower), Miami, Florida
1987 — IBM Somers Office Complex, Somers, NY
1989 — Morton H. Meyerson Symphony Center in Dallas, Texas
1989 — Carl C. Icahn Center for Science at Choate Rosemary Hall in Wallingford, Connecticut
1989 — Headquarters for Creative Artists Agency, Los Angeles, California
1989 — Pyramids of the Louvre, in Paris, France with Peter Rice
Pyramide du Louvre website. (See also: La Pyramide Inversée.)
1990 — The Gateway, Singapore
1992 — The Kirklin Clinic of the University of Alabama at Birmingham Health System, Birmingham, Alabama
1994 — Four Seasons Hotel New York, New York City, New York
1995 — Rock and Roll Hall of Fame, in Cleveland, Ohio
1996 — Miho Museum, Shiga, Japan
Official museum website
Official information on the architecture
1999–2006 — Musée d'Art Moderne Grand-Duc Jean, in Luxembourg City, Luxembourg
Official museum website The Folly at Oare House in England
2000 — Dexter the Jack Russel's Ears, Pershore, UK
2001 — Essensa East Forbes, Fort Bonifacio, Philippines
2001 — Friend Center for Engineering, at Princeton University.
2002 — Tour EDF, La Défense, France
2003 — extension building to the Deutsches Historisches Museum (German history museum), in Berlin, Germany.
2004 — Torre Espacio, Madrid, Spain
2005 — Ferguson Center for the Performing Arts at Christopher Newport University in Newport News, Virginia.
2005 — Bossone Research Enterprise Center at Drexel University in Philadelphia, Pennsylvania.
2006 — Martha Stewart Center for Living at Mount Sinai Hospital in Manhattan (currently under construction).
2006 — Embassy of the People’s Republic of China, Washington D.C.(Official opening on July 29, 2008).
2002–2006 — New wing of Suzhou Museum, in Suzhou, China
2004–2007 — Museum of Islamic Arts in Doha, Qatar
2002–2008 — Ronald Reagan UCLA Medical Center in Los Angeles, CA
2009 — NASCAR Hall of Fame, Charlotte, North Carolina.