Creator
- Bruder, William P., 1946- 25
- Cloepfil, Brad, 1956 25
- Stone, Edward Durell, 1902-1978 25
- Hallmark, Michael, active ca. 2000 23
- Plensa, Jaume, 1955- 22
- AECOM (Firm) Design + Planning, merged 1990 21
- Jahn, Helmut, 1940- 21
- Denari, Neil, b. 1957 19
- Meléndrez, Lauren, b. 1952 19
- Selldorf Architects, founded 1988 19
- Brand & Allen Architects, founded 1965 17
- Polshek Partnership Architects, founded 1962; renamed 1980; renamed 2010 16
- Gould Evans Affiliates, American architectural firm, founded 1974 15
- Moore, Ruble, Yudell, Architects & Planners, established 1977 14
- DFD Cornoyer-Hedrick, American architectural firm, merged and renamed 2003 13
- Gensler, American architectural firm, founded 1965 13
- Lorcan O'Herlihy Architects, founded ca. 1992 13
- Wohlfeil, Daniel, ca. 1955- 13
- Austin Company, American architectural firm, renamed 1916 12
- Diller + Scofidio 12