United States CTBUH Members

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Name
City
Level
# of 150m+ buildings
DeSimone Consulting Engineers New York City
Platinum

49
Dow Midland
Platinum

6
HOK, Inc. New York City
Platinum

83
Illinois Institute of Technology Chicago
Platinum

0
Kohn Pedersen Fox Associates New York City
Platinum

229
Langan Engineering Athens
Platinum

98
Otis Elevator Company Hartford
Platinum

134
Skidmore, Owings & Merrill Chicago
Platinum

343
Thornton Tomasetti, Inc. Atlanta
Platinum

152
Turner Construction Company New York City
Platinum

60
WSP Chicago
Platinum

139
Adrian Smith + Gordon Gill Architecture Chicago
Gold

40
DCI Engineers Seattle
Gold

4
Gensler Chicago
Gold

107
Giarratana, LLC Nashville
Gold

5
Goettsch Partners Chicago
Gold

56
Magnusson Klemencic Associates Seattle
Gold

80
McNamara • Salvia Boston
Gold

20
NBBJ New York City
Gold

61
Pelli Clarke & Partners New Haven
Gold

26
Perkins & Will Chicago
Gold

11
Pickard Chilton Architects, Inc. New Haven
Gold

21
Severud Associates Consulting Engineers, PC New York City
Gold

16
SilverEdge Systems Software, Inc. Chicago
Gold

0
SL Green Realty Corp. New York City
Gold

7
Stantec Abu Dhabi
Gold

23
Think Wood Portland
Gold

0
UL Solutions Chicago
Gold

0
3MIX Seattle
Silver

2
ADG Engineering New York City
Silver

0
AI PlanetWorks New York City
Silver

7
AKAIA Architecture New York City
Silver

0
Altair Engineering Detroit
Silver

1
AMSYSCO Chicago
Silver

35
ArcelorMittal Chicago
Silver

94
Architects Hawaii Limited - AHL Honolulu
Silver

0
ARK Studio Inc. Mumbai
Silver

7
Autodesk San Francisco
Silver

0
BALA Engineers Philadelphia
Silver

9
Baldridge & Associates Structural Engineering Honolulu
Silver

2
Barker Mohandas, LLC New York City
Silver

40
Baumann Consulting Chicago
Silver

2
Bedrock Detroit Detroit
Silver

2
Bjarke Ingels Group Copenhagen
Silver

17
bKL Architecture Chicago
Silver

10
BKV Group Minneapolis
Silver

0
Carrier Johnson + Culture San Diego
Silver

0
Cary Kopczynski & Company Seattle
Silver

0
Cast Connex Dallas
Silver

6
CB Engineers San Francisco
Silver

4
CBRE Group, Inc. Dallas
Silver

73
CDC Curtain Wall Design & Consulting, Inc. Dallas
Silver

14
Cerami & Associates, Inc. New York City
Silver

25
CetraRuddy New York City
Silver

11
Code Consultants, Inc. Los Angeles
Silver

47
COOKFOX Architects New York City
Silver

2
Cosentini Associates New York City
Silver

100
Coughlin Porter Lundeen Seattle
Silver

1
Cove Property Group New York City
Silver

0
CPP Wind Engineering Consultants Fort Collins
Silver

31
Degenkolb Engineers San Francisco
Silver

1
DLR Group Chicago
Silver

12
Dynamic Isolation Systems, Inc. Las Vegas
Silver

0
Edgett Williams Consulting Group, Inc. Mill Valley
Silver

17
Enclos Corp. Los Angeles
Silver

42
Ennead Architects New York City
Silver

1
Environmental Systems Design, Inc. Chicago
Silver

34
Epstein Chicago
Silver

6
Extell Development New York City
Silver

15
Fisher Marantz Stone New York City
Silver

20
FitzGerald Associates Chicago
Silver

1
FM Global Boston
Silver

0
Foster + Partners London
Silver

110
Front Inc. New York City
Silver

28
FullStack Modular LLC New York City
Silver

0
FXCollaborative Architects New York City
Silver

6
GEI Consultants Boston
Silver

15
GenX Design & Technology New York City
Silver

2
GGLO Los Angeles
Silver

1
Gilsanz Murray Steficek Los Angeles
Silver

11
Glumac San Francisco
Silver

2
GREC Architects Chicago
Silver

2
Hathaway Dinwiddie Construction Company San Francisco
Silver

2
Hearst New York City
Silver

1
Heintges Consulting Architects & Engineers New York City
Silver

5
Heller Manus Architects San Francisco
Silver

4
Hines Houston
Silver

28
HKA Elevator Consulting Los Angeles
Silver

3
JAHN Chicago
Silver

12
Jay Paul Company San Francisco
Silver

1
JB&B Boston
Silver

70
JCE Structural Engineering Group Pasadena, CA
Silver

0
JDS Development Group New York City
Silver

7
Jensen Hughes Chicago
Silver

8
Kinemetrics Pasadena, CA
Silver

43
Kuraray Wilmington
Silver

7
LeMessurier Boston
Silver

28
Lendlease Chicago
Silver

29
LERA Consulting Structural Engineers New York City
Silver

16
Lerch Bates, Inc. New York City
Silver

67
LMN Architects Seattle
Silver

2
Longman Lindsey New York City
Silver

6
Magellan Development Group Chicago
Silver

12
Martin/Martin Denver
Silver

3
McHugh Construction Chicago
Silver

22
Meyer Borgman Johnson Chicago
Silver

3
MEYERS+ ENGINEERS San Francisco
Silver

1
Michael Blades & Associates Washington D.C.
Silver

0
Nabih Youssef & Associates Los Angeles
Silver

3
O'Donnell & Naccarato Philadelphia
Silver

1
OJB Landscape Architecture Boston
Silver

18
OLYMPIQUE Façade Access Consulting Los Angeles
Silver

6
Optima Inc. Chicago
Silver

1
Ornamental Metal Institute of New York New York City
Silver

0
Osborn Engineering Cleveland
Silver

2
Pappageorge Haymes Partners Chicago
Silver

9
Pavarini McGovern New York City
Silver

4
Peckar & Abramson, P.C. New York City
Silver

0
PEI Architects New York City
Silver

1
Pei Cobb Freed & Partners New York City
Silver

27
Pepper Construction Chicago
Silver

0
Portman Architects Atlanta
Silver

3
Prudential Center Boston
Silver

12
Rhode Partners Austin
Silver

1
Riverside Investment & Development Chicago
Silver

3
Robert A.M. Stern Architects New York City
Silver

17
Safdie Architects Boston
Silver

18
SHoP Architects New York City
Silver

18
SOH Wind Engineering LLC Kuala Lumpur
Silver

0
Solomon Cordwell Buenz - SCB Chicago
Silver

36
Spiritos Properties LLC New York City
Silver

0
Stanley D. Lindsey and Associates, Ltd. Atlanta
Silver

4
Steel Institute of New York New York City
Silver

0
Steinberg Hart Los Angeles
Silver

0
Studio Gang Architects Chicago
Silver

4
SWA Group Sausalito
Silver

52
Swinerton San Francisco
Silver

0
Syska Hennessy Group San Francisco
Silver

17
Telgian Engineering & Consulting, LLC Atlanta
Silver

0
Terracon Naperville
Silver

3
Tetra Tech Pasadena, CA
Silver

0
The Harman Group, now IMEG Philadelphia
Silver

4
TLC Engineering Solutions Chicago
Silver

2
Vanderweil Engineers Boston
Silver

4
VDA Elevator and Escalator Consulting Atlanta
Silver

18
Walter P Moore Atlanta
Silver

34
CCHRB (Chicago Committee on High-Rise Buildings) Chicago
Nonprofit/Governmental

0
Fire Equipment Manufacturers' Association (FEMA) Cleveland
Nonprofit/Governmental

0
Pennsylvania State University State College
Nonprofit/Governmental

0
Post-Tensioning Institute Detroit
Nonprofit/Governmental

0
Pratt Institute New York City
Nonprofit/Governmental

0
The Skyscraper Museum New York City
Nonprofit/Governmental

0
The University of Chicago Chicago
Nonprofit/Governmental

0
University of Illinois at Urbana-Champaign Urbana
Nonprofit/Governmental

0
Yale University School of Architecture New Haven
Nonprofit/Governmental

0