United States CTBUH Members

Logo
Name
Level
# of 150m+ buildings
Arup
Platinum

452
Buro Happold
Platinum

111
DeSimone Consulting Engineering
Platinum

55
Dow
Platinum

104
HOK, Inc.
Platinum

94
Illinois Institute of Technology
Platinum

0
Kohn Pedersen Fox Associates
Platinum

237
KONE Corporation
Platinum

393
Langan
Platinum

103
Otis Elevator Company
Platinum

143
PERI
Platinum

64
RWDI
Platinum

483
SHoP Architects
Platinum

18
Skidmore, Owings & Merrill
Platinum

357
Thornton Tomasetti, Inc.
Platinum

208
Turner Construction Company
Platinum

114
WSP
Platinum

643
Adrian Smith + Gordon Gill Architecture
Gold

46
Brandston Partnership, Inc.
Gold

93
Corgan
Gold

0
DCI Engineers
Gold

5
FXCollaborative Architects
Gold

24
Gensler
Gold

112
Giarratana, LLC
Gold

5
Goettsch Partners
Gold

68
IMEG Corp
Gold

4
Magnusson Klemencic Associates
Gold

103
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
Rise Global LLC
Gold

0
Severud Associates Consulting Engineers, PC
Gold

19
Simpson Strong-Tie
Gold

0
Think Wood
Gold

0
Tishman Speyer
Gold

42
360 Chicago
Silver

1
3MIX
Silver

2
AI PlanetWorks
Silver

9
AKAIA Architecture
Silver

6
Alderson Engineering, LLC.
Silver

2
AMSYSCO
Silver

37
ArcelorMittal
Silver

146
Architects Hawaii Limited - AHL
Silver

0
Arrowstreet
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
Boston Properties, Inc.
Silver

20
Carrier Johnson + Culture
Silver

1
Cary Kopczynski & Company
Silver

0
Cast Connex
Silver

7
CB Engineers
Silver

4
CDC Curtain Wall Design & Consulting, Inc.
Silver

15
Cerami & Associates, Inc.
Silver

26
CetraRuddy
Silver

11
Code Consultants, Inc.
Silver

51
Cosentini Associates
Silver

105
Coughlin Porter Lundeen
Silver

1
CPP Wind Engineering Consultants
Silver

47
Degenkolb Engineers
Silver

1
DLR Group
Silver

12
Edgett Williams Consulting Group, Inc.
Silver

20
Eli Attia architect PC
Silver

19
Enclos Corp.
Silver

46
Environmental Systems Design, Inc. Now Stantec
Silver

50
Epstein
Silver

13
Eric Owen Moss Architects
Silver

0
Extell Development
Silver

15
Fisher Marantz Stone
Silver

23
Foster + Partners
Silver

114
FullStack Modular LLC
Silver

0
GEI Consultants
Silver

21
GENx Design & Technology
Silver

2
GGLO
Silver

1
Gilsanz Murray Steficek
Silver

15
Glacier Northwest, Inc. DBA CalPortland
Silver

0
Glumac
Silver

2
Halls Lane Studio
Silver

0
Hartshorne Plunkard Architecture
Silver

10
Hatfield Group
Silver

0
Hearst
Silver

1
Heintges Consulting Architects & Engineers
Silver

37
HEWITT Architecture
Silver

0
Hilson Moran
Silver

9
Hines
Silver

72
HKA Elevator Consulting, Inc
Silver

3
HKS
Silver

28
HYPRLIFT, Inc.
Silver

0
IDOM
Silver

2
IPB Properties
Silver

0
Jahn/
Silver

60
Jay Paul Company
Silver

1
JB&B
Silver

71
JCE Structural Engineering Group
Silver

0
JDS Development Group
Silver

8
Jensen Hughes
Silver

55
KieranTimberlake
Silver

0
Kinemetrics
Silver

43
Korb + Associates Architects
Silver

0
Kreysler & Associates
Silver

0
Krueck Sexton Partners
Silver

3
L&L Holding Company, LLC
Silver

4
Laurie & Brennan LLP
Silver

0
Lee Herzog Facade Access Consulting Inc
Silver

11
LeMessurier
Silver

30
Lendlease
Silver

88
LERA Consulting Structural Engineers
Silver

83
Lerch Bates, Inc.
Silver

101
LIFTbuild LLC
Silver

0
Magellan Development Group
Silver

12
Martin/Martin
Silver

3
McHugh Construction
Silver

22
McKinsey & Company
Silver

1
MEYERS+ ENGINEERS
Silver

1
Michael Blades & Associates
Silver

0
Michael Graves Architecture & Design
Silver

2
Microclimate Ice & Snow Inc.
Silver

15
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
New Land Enterprises
Silver

0
O'Donnell & Naccarato
Silver

1
OAC Services, Inc.
Silver

0
OC&C Strategy Consultants
Silver

0
ODA
Silver

14
OJB Landscape Architecture
Silver

23
OLYMPIQUE Façade Access Consulting
Silver

6
Optima Inc.
Silver

1
Ornamental Metal Institute of New York
Silver

0
Pappageorge Haymes Partners
Silver

9
ParkFowler Plus
Silver

0
Pavarini McGovern
Silver

9
PEI Architects
Silver

7
Pei Cobb Freed & Partners
Silver

42
Pierce Engineers, Inc.
Silver

0
RATIO I smdp
Silver

3
Rhode Partners
Silver

1
RIOS
Silver

2
Riverside Investment & Development
Silver

3
Robert A.M. Stern Architects
Silver

17
Rockefeller Group
Silver

10
Safdie Architects
Silver

23
Skyline Robotics
Silver

1
SOH Wind Engineering LLC
Silver

0
Solomon Cordwell Buenz - SCB
Silver

37
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

6
SWA Group
Silver

56
Syska Hennessy Group
Silver

17
Terracon
Silver

3
Tetra Tech
Silver

144
TLC Engineering Solutions
Silver

4
Vanderweil Engineers
Silver

4
VDA Elevator and Escalator Consulting
Silver

22
Walter P Moore
Silver

36
Walters Inc
Silver

33
Williams & Russell CDC
Silver

0
Boston University
Nonprofit/Governmental

0
CCHRB (Chicago Committee on High-Rise Buildings)
Nonprofit/Governmental

0
New York University
Nonprofit/Governmental

0
Northwestern 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
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