United States CTBUH Members

Logo
Name
Level
# of 150m+ buildings
Arup
Platinum

435
Buro Happold
Platinum

108
DeSimone Consulting Engineering
Platinum

49
Dow
Platinum

104
HOK, Inc.
Platinum

84
Illinois Institute of Technology
Platinum

0
Kohn Pedersen Fox Associates
Platinum

235
KONE Industrial Ltd
Platinum

393
Langan
Platinum

99
New Land Enterprises
Platinum

0
Otis Elevator Company
Platinum

136
PERI
Platinum

64
Skidmore, Owings & Merrill
Platinum

348
Thornton Tomasetti, Inc.
Platinum

199
Turner Construction Company
Platinum

109
WSP
Platinum

602
Adrian Smith + Gordon Gill Architecture
Gold

45
AXA IM Alts
Gold

3
Brandston Partnership, Inc.
Gold

91
DCI Engineers
Gold

4
FXCollaborative Architects
Gold

24
Gensler
Gold

107
Giarratana, LLC
Gold

5
Goettsch Partners
Gold

68
Gresham Smith
Gold

1
IMEG Corp
Gold

4
Leviat GmbH
Gold

14
Magnusson Klemencic Associates
Gold

102
McNamara • Salvia
Gold

22
Mott MacDonald
Gold

16
Nucor Corporation
Gold

5
Pelli Clarke & Partners
Gold

101
Perkins & Will
Gold

31
Pickard Chilton Architects, Inc.
Gold

21
Rider Levett Bucknall
Gold

89
Rise Global LLC
Gold

0
RWDI
Gold

380
Severud Associates Consulting Engineers, PC
Gold

17
Simpson Strong-Tie
Gold

0
SL Green Realty Corp.
Gold

7
Stantec
Gold

58
Think Wood
Gold

0
360 Chicago
Silver

1
3MIX
Silver

2
ADG Engineering
Silver

0
AI PlanetWorks
Silver

9
AKAIA Architecture
Silver

6
Alderson Engineering, Inc.
Silver

2
AMSYSCO
Silver

36
ArcelorMittal
Silver

144
Archi-Tectonics NYC llc
Silver

0
Architects Hawaii Limited - AHL
Silver

0
Autodesk
Silver

0
BALA Engineers
Silver

12
Baldridge & Associates Structural Engineering
Silver

2
Barker Mohandas, LLC
Silver

56
Bedrock Detroit
Silver

2
bKL Architecture
Silver

10
BKV Group
Silver

0
Bowa Construction
Silver

0
CambridgeSeven
Silver

2
Carrier Johnson + Culture
Silver

1
Cary Kopczynski & Company
Silver

0
CB Engineers
Silver

4
CBRE Group, Inc.
Silver

80
CDC Curtain Wall Design & Consulting, Inc.
Silver

14
Cerami & Associates, Inc.
Silver

25
CetraRuddy
Silver

11
Charrette Creative
Silver

0
Clearspring Energy Advisors
Silver

0
Code Consultants, Inc.
Silver

47
COOKFOX Architects
Silver

5
Cosentini Associates
Silver

101
Coughlin Porter Lundeen
Silver

1
Cove Property Group
Silver

0
CPP Wind Engineering Consultants
Silver

45
Degenkolb Engineers
Silver

1
DLR Group
Silver

12
Dynamic Isolation Systems, Inc.
Silver

0
Edgett Williams Consulting Group, Inc.
Silver

19
Enclos Corp.
Silver

46
Ennead Architects
Silver

1
Environmental Systems Design, Inc.
Silver

50
Epstein
Silver

13
Extell Development
Silver

15
Far East Facade (Hong Kong) Limited
Silver

26
Fisher Marantz Stone
Silver

23
FitzGerald Associates
Silver

1
FM Global
Silver

0
Foster + Partners
Silver

112
Front Inc.
Silver

28
FullStack Modular LLC
Silver

0
GEI Consultants
Silver

21
GenX Design & Technology
Silver

2
GGLO
Silver

1
Gilsanz Murray Steficek
Silver

14
Glacier Northwest, Inc. DBA CalPortland
Silver

0
Glotman Simpson Consulting Engineers
Silver

5
Glumac
Silver

2
Graphite Design Group
Silver

0
GREC Architects
Silver

2
H+O Structural Engineering
Silver

0
Hartshorne Plunkard Architecture
Silver

10
Hatfield Group
Silver

0
Hathaway Dinwiddie Construction Company
Silver

2
Hearst
Silver

1
Heintges Consulting Architects & Engineers
Silver

36
Heller Manus Architects
Silver

4
HEWITT Architecture
Silver

0
Hill International
Silver

32
Hilson Moran
Silver

9
Hines
Silver

70
HKA Elevator Consulting
Silver

3
HKS
Silver

27
HYPRLIFT, Inc.
Silver

0
IPB Properties
Silver

0
Jahn/
Silver

60
Jay Paul Company
Silver

1
JB&B
Silver

70
JCE Structural Engineering Group
Silver

0
Jensen Hughes
Silver

55
KieranTimberlake
Silver

0
Kinemetrics
Silver

43
Korb + Associates Architects
Silver

0
Krueck Sexton Partners
Silver

3
L&L Holding Company, LLC
Silver

3
Lee Herzog Facade Access Consulting Inc
Silver

11
LeMessurier
Silver

30
Lendlease
Silver

87
LERA Consulting Structural Engineers
Silver

83
Lerch Bates, Inc.
Silver

96
LMN Architects
Silver

2
Longman Lindsey
Silver

6
Magellan Development Group
Silver

12
Martin/Martin
Silver

3
McHugh Construction
Silver

22
Meyer Borgman Johnson
Silver

3
MEYERS+ ENGINEERS
Silver

1
Michael Graves Architecture & Design
Silver

2
Microclimate Ice & Snow Inc.
Silver

2
Mithun
Silver

0
Mueser Rutledge Consulting Engineers PLLC
Silver

14
Multistudio
Silver

0
Nabih Youssef & Associates
Silver

3
National Real Estate Development
Silver

1
NBBJ
Silver

64
O'Donnell & Naccarato
Silver

1
OAC Services, Inc.
Silver

0
Office for Visual Interaction, Inc. (OVI)
Silver

18
OJB Landscape Architecture
Silver

19
OLYMPIQUE Façade Access Consulting
Silver

6
Optima Inc.
Silver

1
Ornamental Metal Institute of New York
Silver

0
Osborn Engineering
Silver

2
Pappageorge Haymes Partners
Silver

9
Pavarini McGovern
Silver

8
PEI Architects
Silver

7
Pei Cobb Freed & Partners
Silver

42
Pepper Construction
Silver

0
Pierce Engineers, Inc.
Silver

0
POHL Facade Division
Silver

33
RATIO I smdp
Silver

3
Rhode Partners
Silver

1
RIOS
Silver

2
Riverside Investment & Development
Silver

3
Robert A.M. Stern Architects
Silver

17
Robert Bird Group
Silver

29
Rockefeller Group
Silver

10
Safdie Architects
Silver

23
SHoP Architects
Silver

18
Skyline Robotics
Silver

1
SOH Wind Engineering LLC
Silver

0
Solomon Cordwell Buenz - SCB
Silver

36
Spiritos Properties LLC
Silver

0
Stanley D. Lindsey and Associates, Ltd.
Silver

5
Steel Institute of New York
Silver

0
StructureCraft
Silver

0
Studio Gang Architects
Silver

4
SWA Group
Silver

54
Syska Hennessy Group
Silver

17
Telgian Engineering & Consulting, LLC
Silver

0
Terracon
Silver

3
Tetra Tech
Silver

136
Thor Equities
Silver

1
Timberlab
Silver

0
TLC Engineering Solutions
Silver

4
Vanderweil Engineers
Silver

4
VDA Elevator and Escalator Consulting
Silver

19
Walter P Moore
Silver

35
Walters Inc
Silver

33
Werner Sobek AG
Silver

26
Woods Bagot
Silver

77
ZGF Architects LLP
Silver

4
CCHRB (Chicago Committee on High-Rise Buildings)
Nonprofit/Governmental

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

0
Northwestern University
Nonprofit/Governmental

0
Pennsylvania State University
Nonprofit/Governmental

0
Post-Tensioning Institute
Nonprofit/Governmental

0
Pratt Institute
Nonprofit/Governmental

0
Rutgers University
Nonprofit/Governmental

0
The Skyscraper Museum
Nonprofit/Governmental

0
The University of Chicago
Nonprofit/Governmental

0
Thomas Jefferson University
Nonprofit/Governmental

0
University of Illinois at Urbana-Champaign
Nonprofit/Governmental

0
University of Pennsylvania
Nonprofit/Governmental

0
Yale University School of Architecture
Nonprofit/Governmental

0