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BNIM (Berkebile Nelson Immenschuh McDowell, Inc.) is an architecture and design firm founded in 1970 in Kansas City, Missouri.
In December 2010 the American Institute of Architects announced that BNIM was awarded the American Institute of Architects Architecture Firm Award for advancing the design of sustainable architecture over the past three decades.
The firm’s practice areas include sustainable design and community redevelopment; urban planning and design; educational facilities; campus master planning; civic, state and federal government work; residential; and corporate office spaces.
BNIM’s notable sustainable projects include the Iowa Utilities Board – Office of Consumer Advocate Office Building in Des Moines, IA, the Omega Center for Sustainable Living at the Omega Institute for Holistic Studies in Rhinebeck, New York (Living Building and LEED Platinum), the School of Nursing and Student Community Center at The University of Texas Health Science Center at Houston (LEED Gold), and the Lewis and Clark State Office Building in Jefferson City, Missouri (LEED Platinum).
- Greensburg, Kansas master plan following May 2007 Tornado Outbreak devastation
- Kaufmann Center for the Performing Arts, Kansas City, MO (Executive Architect for Moshe Safdie)
- Omega Center for Sustainable Living, Omega Institute for Holistic Studies, Rhinebeck, NY (The OCSL was one of the first two buildings in the world to be certified as "living" by the International Living Building Institute.)
- Make It Right, New Orleans, LA
- Nelson-Atkins Museum Bloch Addition, Kansas City, MO (Architect of Record for Steven Holl)
- The School of Nursing and Student Community Center at The University of Texas Health Science Center at Houston, Houston, TX (with Lake|Flato)
- Fayez S. Sarofim Research Building, Home of The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, The University of Texas Health Science Center at Houston, Houston, TX
- Fort Osage Education Center, Sibley, MO
- H. L. Hunley (submarine) Museum, Charleston, SC (in consortium)
- Union Station (Kansas City) – Science City Addition (in consortium with other architects)
- C. K. Choi Building, University of British Columbia, Vancouver, BC, Canada (consultant to Matsuzaki Wright Architects Inc.) 
- St. Joseph Civic Arena, St. Joseph, MO (1980)
- John F. Kennedy Center for the Performing Arts addition (Architect of Record for Steven Holl) 2013
The firm was founded in 1970 in Kansas City, MO as Patty Berkebile Nelson Love Architects (PBNL). Dating to its early history, the firm was dedicated to strengthening the urban core with projects and the civic involvement of firm members.
Architect Edward Larrabee Barnes was the formal master of the hotel. However two local Kansas City firms merged to formally design the hotel include a consortium of R. Bruce Patty, Bob Berkebile and Tom Nelson (PBN), and Duncan Monroe Lefevre (DML).
Investigation of the accident determined the failure to be the fault of the structural engineer.
In 1987, Patty, Berkebile and Nelson formed a new firm with David Immenschuh, known as PBNI Architects. They were to design One Kansas City Place which is the tallest building in Missouri.
In 1991, Berkebile, Nelson and Immenschuh were joined by Steve McDowell and became Berkebile Nelson Immenschuh McDowell (BNIM).
- Ken Shulman, The Path to Platinum, Metropolis Magazine, December 6, 2006. Retrieved October 2010
- "KC firm BNIM will help design $100 million expansion of Kennedy Center". KansasCity.com. Retrieved 2013-04-05.
- Hyatt Tragedy Raises Questions Of Responsibility – New York Times
- Hyatt Regency Walkway Collapse