United States CTBUH Members

Logo
Name
City
Level
# of 150m+ buildings

Arup

Abu Dhabi

Platinum

373

DeSimone Consulting Engineers

New York City

Platinum

48

Dow

Midland

Platinum

6

HOK, Inc.

New York City

Platinum

82

Illinois Institute of Technology

Chicago

Platinum

0

Kohn Pedersen Fox Associates

New York City

Platinum

226

Langan Engineering

London

Platinum

96

New Land Enterprises

Milwaukee

Platinum

0

Otis Elevator Company

Hartford

Platinum

0

Skidmore, Owings & Merrill

Chicago

Platinum

339

Thornton Tomasetti, Inc.

Atlanta

Platinum

144

Turner Construction Company

New York City

Platinum

60

WSP

Chicago

Platinum

117

Adrian Smith + Gordon Gill Architecture

Chicago

Gold

41

Aedas

Abu Dhabi

Gold

100

AXA IM Alts

Amsterdam

Gold

3

Brandston Partnership, Inc.

New York City

Gold

77

DCI Engineers

Seattle

Gold

4

Gensler

Chicago

Gold

105

Giarratana, LLC

Nashville

Gold

5

Goettsch Partners

Chicago

Gold

55

Magnusson Klemencic Associates

Seattle

Gold

78

McNamara • Salvia

Boston

Gold

20

NBBJ

New York City

Gold

61

Nucor Corporation

Chicago

Gold

5

PCL Construction

Denver

Gold

25

Pelli Clarke & Partners

New Haven

Gold

59

Perkins & Will

Chicago

Gold

11

Pickard Chilton Architects, Inc.

New Haven

Gold

19

POHL Facade Division

Cologne

Gold

33

Rider Levett Bucknall

Beijing

Gold

83

RWDI

Guelph

Gold

308

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

SLS Consulting, Inc.

Atlanta

Gold

0

Stantec

Abu Dhabi

Gold

19

Think Wood

Portland

Gold

0

UL, LLC

Chicago

Gold

1

360 Chicago

Chicago

Silver

1

3MIX

Seattle

Silver

0

ADG Engineering

New York City

Silver

0

Adjustable Concrete Construction

Chicago

Silver

2

AI. PlanetWorks

New York City

Silver

3

Algin Management

New York City

Silver

1

Altair Engineering

Detroit

Silver

1

AMSYSCO

Chicago

Silver

35

ArcelorMittal

Chicago

Silver

94

Archilier Architecture

New York City

Silver

6

Architects Hawaii Limited - AHL

Honolulu

Silver

0

ARK Studio Inc.

Mumbai

Silver

7

Aspen Heights Partners

Austin

Silver

1

Autodesk

San Francisco

Silver

0

BALA Engineers

Philadelphia

Silver

9

Baldridge & Associates Structural Engineering

Honolulu

Silver

1

Barker Mohandas, LLC

New York City

Silver

39

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

CambridgeSeven

Cambridge

Silver

2

Carrier Johnson + Culture

San Diego

Silver

0

Cary Kopczynski & Company

Seattle

Silver

0

Cast Connex

Dallas

Silver

4

CB Engineers

San Francisco

Silver

4

CDC Curtain Wall Design & Consulting, Inc.

Dallas

Silver

12

Cerami & Associates, Inc.

New York City

Silver

25

CetraRuddy

New York City

Silver

11

Charrette Creative

New York City

Silver

0

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

28

Degenkolb Engineers

San Francisco

Silver

1

Diller Scofidio + Renfro

New York City

Silver

2

DLR Group

Chicago

Silver

12

Dynamic Isolation Systems, Inc.

Las Vegas

Silver

0

Eastdil Secured

New York City

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

14

Far East Aluminium Works Co., Ltd.

Concord

Silver

0

Fisher Marantz Stone

New York City

Silver

20

FitzGerald Associates

Chicago

Silver

1

FM Global

Boston

Silver

0

Foster + Partners

London

Silver

105

Front Inc.

Hong Kong

Silver

24

FullStack Modular LLC

New York City

Silver

0

FXCollaborative Architects

New York City

Silver

5

GEI Consultants

Boston

Silver

15

GenX Design & Technology Consulting

New York City

Silver

2

GERB Vibration Control Systems

Berlin

Silver

22

GGLO

Los Angeles

Silver

1

Gilsanz Murray Steficek

New York City

Silver

10

Glotman Simpson Consulting Engineers

Calgary

Silver

4

Glumac

San Francisco

Silver

2

Gould Evans

Kansas City

Silver

0

GREC Architects

Chicago

Silver

2

H+O Structural Engineering

Boston

Silver

0

Hartshorne Plunkard Architecture

Chicago

Silver

6

Hathaway Dinwiddie Construction Company

San Francisco

Silver

2

HDR Inc.

New York City

Silver

0

HEARST

New York City

Silver

1

HED

Chicago

Silver

1

Heintges Consulting Architects & Engineers

New York City

Silver

5

Heller Manus Architects

San Francisco

Silver

4

Hill International

Abu Dhabi

Silver

28

Hilson Moran

Cambridge

Silver

8

Hines

Houston

Silver

27

HKA Elevator Consulting

Los Angeles

Silver

3

HKS Architects

Dallas

Silver

26

HYPRLIFT, Inc.

San Jose

Silver

0

Inhabit Group

Auckland

Silver

36

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

7

KieranTimberlake

Philadelphia

Silver

0

Kinemetrics

Pasadena, CA

Silver

43

Korb + Associates Architects

Milwaukee

Silver

0

Krueck Sexton Partners

Chicago

Silver

3

Kuraray

Wilmington

Silver

7

LeMessurier

Boston

Silver

28

Lendlease

Chicago

Silver

28

LERA Consulting Structural Engineers

New York City

Silver

12

Lerch Bates, Inc.

New York City

Silver

65

LEVER Architecture

Portland

Silver

0

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

Minneapolis

Silver

3

MEYERS+ ENGINEERS

San Francisco

Silver

0

Michael Blades & Associates

Washington D.C.

Silver

0

Michael Graves Architecture & Design

Baltimore

Silver

2

Mithun

Seattle

Silver

0

Mueser Rutledge Consulting Engineers

New York City

Silver

12

Nabih Youssef & Associates

Los Angeles

Silver

3

National Real Estate Development

Philadelphia

Silver

0

New York Building Congress

New York City

Silver

0

O'Donnell & Naccarato

Philadelphia

Silver

1

OAC Services, Inc.

Seattle

Silver

0

OJB Landscape Architecture

Boston

Silver

17

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

1

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

Pierce Engineers, Inc.

Chicago

Silver

0

Portman Architects

Atlanta

Silver

3

Prudential Center

Boston

Silver

12

Rafael Viñoly Architects

New York City

Silver

14

RATIO I smdp

Chicago

Silver

2

Rhode Partners

Austin

Silver

1

Riverside Investment & Development

Chicago

Silver

3

Robert A.M. Stern Architects

New York City

Silver

17

Rockefeller Group

New York City

Silver

11

Royal Institution of Chartered Surveyors (RICS)

Birmingham

Silver

0

Safdie Architects

Somerville

Silver

18

Shalom Baranes Associates

Washington D.C.

Silver

0

SHoP Architects

New York City

Silver

18

Skyline Robotics

New York City

Silver

1

SOH Wind Engineering LLC

Kuala Lumpur

Silver

0

Solomon Cordwell Buenz - SCB

Chicago

Silver

34

Sowlat Structural Engineers

Chicago

Silver

1

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

StructureCraft

Seattle

Silver

0

Studio Gang Architects

Chicago

Silver

4

SWA Group

Sausalito

Silver

45

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

The University of Chicago

Chicago

Silver

0

TLC Engineering Solutions

Chicago

Silver

2

Tobin, PLLC

Charlotte

Silver

0

Van Deusen & Associates - VDA

Atlanta

Silver

18

Vanderweil Engineers

Boston

Silver

4

W.E. O'Neil Construction Co.

Chicago

Silver

0

Walter P Moore

Atlanta

Silver

34

Walters Group Inc.

Asheville

Silver

21

Werner Sobek AG

Berlin

Silver

26

Woods Bagot

Abu Dhabi

Silver

70

Wright Runstad & Co

Seattle

Silver

1

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

Thomas Jefferson University

Philadelphia

Nonprofit/Governmental

0

University of Illinois at Urbana-Champaign

Urbana

Nonprofit/Governmental

0

Washington State University

Seattle

Nonprofit/Governmental

0

Yale University School of Architecture

New Haven

Nonprofit/Governmental

0