The Skyscraper Center

United States

North America

United States CTBUH Members

Name	City	Level	Fields Of Expertise ACAD: Academic / University ARCH: Architecture BACS: Building Automation Control Systems BMNT: Building Maintenance CIV: Civil Engineering COMP: Computers / IT / Software CON: Construction / Contractor COST: Cost Consulting DEV: Developer ENGO: Engineering, Other ENVE: Environmental Engineering ENVP: Environmental Protection FAC: Façade Design / Engineering FIN: Financial Industry FIRE: Fire Engineering GEO: Geotechnic / Foundations HIST: Historical Preservation INSU: Insurance / Risk INTR: Interior Design LAND: Landscape Architecture LEGL: Legal MRKT: Marketing / Sales MATR: Materials / Products / Systems Supplier MEP: Mechanical, Electrical & Plumbing NONP: Non-Profit Org. / Assoc. / Gov't OWN: Owner (Buildings, Land) PMNG: Project Management PROP: Property Management RES: Research Institute SEC: Security Consultancy SEIS: Seismic Design STRC: Structural Engineering SURV: Surveying TRAN: Transportation / Urban Infrastructure URB: Urban Design VERC: Vertical Transportation Consultant WIND: Wind Engineering OTHR: Other FACS: Façade Systems VERS: Vertical Transportation Supplier ENGM: Engineering, Multi-discipline
Dassault Systèmes	Paris	Platinum	COMP
DeSimone Consulting Engineers	New York City	Platinum	STRC • ENGO
Dow	Midland	Platinum	MATR
HOK, Inc.	New York City	Platinum	INTR • STRC • URB • ARCH • FIN • PMNG • COST • ENGM • FAC • FACS • HIST • SEIS
Illinois Institute of Technology	Chicago	Platinum	ACAD • RES
Kohn Pedersen Fox Associates	New York City	Platinum	INTR • URB • ARCH • HIST • TRAN
Langan Engineering	London	Platinum	CIV • LAND • ENVE • GEO • SEIS
Otis Elevator Company	Hartford	Platinum	MATR • VERC
Skidmore, Owings & Merrill	Chicago	Platinum	CIV • INTR • LAND • STRC • URB • ARCH • ENVE • MRKT • MEP • TRAN
Thornton Tomasetti, Inc.	New York City	Platinum	STRC • PMNG • ENGO • FAC • HIST • INSU • SEIS • TRAN
Turner Construction Company	New York City	Platinum	PMNG • CON
WSP	New York City	Platinum	CIV • INTR • STRC • URB • ENVP • PMNG • COMP • ENGO • FAC • FIRE • GEO • MEP • TRAN
Adrian Smith + Gordon Gill Architecture	Chicago	Gold	INTR • URB • ARCH
AKF Group LLC	New York City	Gold	COMP • ENGO • FIRE • MEP • OTHR • PROP
Council on Tall Buildings and Urban Habitat	Chicago	Gold
DCI Engineers	Seattle	Gold	STRC • SEIS
Gensler	Chicago	Gold	INTR • URB • ARCH • COST • MRKT
Giarratana, LLC	Nashville	Gold	DEV
Goettsch Partners	Chicago	Gold	ARCH
Magnusson Klemencic Associates	Seattle	Gold	CIV • STRC • WIND • SEIS
McNamara • Salvia	Boston	Gold	STRC • WIND • ENGO • SEIS
NBBJ	New York City	Gold	INTR • LAND • ARCH • MRKT
Pelli Clarke Pelli Architects	New Haven	Gold	INTR • URB • ARCH
Perkins & Will	Chicago	Gold	INTR • LAND • URB • ARCH • HIST
Severud Associates Consulting Engineers, PC	New York City	Gold	STRC • LEGL
SilverEdge Systems Software, Inc.	Chicago	Gold	COMP
SL Green Realty Corp.	New York City	Gold	DEV • OWN • PROP
Stantec	Edmonton	Gold	INTR • LAND • URB • ARCH
Think Wood	Portland	Gold	ARCH • MRKT • NONP
3MIX	Shanghai	Silver	ARCH
ADG Engineering	New York City	Silver	INTR • STRC • ARCH • ENGO
Alvine Engineering	Omaha	Silver	ENGO • FIRE • MEP
AMSYSCO	Chicago	Silver	ENGO • MATR
ArcelorMittal	Chicago	Silver	BACS • MATR
Archilier Architecture	New York City	Silver	ARCH
Architects Hawaii Limited - AHL	Honolulu	Silver	INTR • URB • ARCH
ARK Studio Inc.	San Francisco	Silver	INTR • URB • ARCH
Autodesk	San Francisco	Silver	COMP
BALA Engineers	Philadelphia	Silver	STRC • ENVE • ENGO • FIRE • MEP • SEC
Baldridge & Associates Structural Engineering	Honolulu	Silver	STRC • WIND • ENGO • HIST • INSU • SEIS • SURV
Barker Mohandas, LLC	New York City	Silver	VERC
Baumann Consulting	Chicago	Silver	ARCH • ENGM
Bedrock Detroit		Silver
Bjarke Ingels Group	Copenhagen	Silver	STRC • URB • ARCH
bKL Architecture	Chicago	Silver	INTR • URB • ARCH
BKV Group	Minneapolis	Silver	INTR • LAND • ARCH • ENGM
Carrier Johnson + Culture	San Diego	Silver	ARCH
Cary Kopczynski & Company	Seattle	Silver	STRC • SEIS
Cast Connex	New York City	Silver	MATR
CB Engineers	San Francisco	Silver	COMP • COST • FIRE • MEP
CBRE Group, Inc.	Miami	Silver	FIN • PROP
CDC Curtain Wall Design & Consulting, Inc.	Dallas	Silver	STRC • WIND • COST • ENGO • FAC • LEGL
Cerami & Associates, Inc.	New York City	Silver	ENGO • MATR • OTHR
CetraRuddy	New York City	Silver	ARCH
Code Consultants, Inc.	New York City	Silver	ENGO • FIRE
Construction Specialties Company	Lebanon	Silver	MATR
COOKFOX Architects	New York City	Silver	INTR • URB • ARCH
Cosentini Associates	New York City	Silver	ENVE • COMP • FIRE • MEP
Coughlin Porter Lundeen	Seattle	Silver	CIV • STRC • SEIS
Cove Property Group	New York City	Silver	DEV • OWN
CPP Wind Engineering and Air Quality Consultants	Fort Collins	Silver	WIND • ENVE • LEGL
Degenkolb Engineers	San Francisco	Silver	SEIS
DLR Group	Seattle	Silver	ARCH
Dynamic Isolation Systems, Inc.	Las Vegas	Silver	STRC • SEIS
Edgett Williams Consulting Group, Inc.	Mill Valley	Silver	VERC
Enclos Corp.	Los Angeles	Silver	PMNG • FAC • MATR
Ennead Architects	New York City	Silver	INTR • URB • ARCH
Environmental Systems Design, Inc.	Chicago	Silver	BACS • COST • FIRE • MEP
Epstein	Chicago	Silver	CIV • STRC • ARCH
Extell Development	New York City	Silver	DEV • OWN • PROP
Fisher Marantz Stone	New York City	Silver	OTHR
FitzGerald Associates	Chicago	Silver	ARCH
FM Global	Boston	Silver	INSU
Foster + Partners	London	Silver	ARCH
Front Inc.	Hong Kong	Silver	FAC
FullStack Modular LLC	New York City	Silver	CON • MATR
FXCollaborative Architects	New York City	Silver	INTR • URB • ARCH
GEI Consultants	Boston	Silver	GEO
GenX Design & Technology Consulting	New York City	Silver	COMP
GGLO	Seattle	Silver	INTR • LAND • URB • ARCH
Gilsanz Murray Steficek	New York City	Silver	STRC • ENGO • SEC
Glumac	San Francisco	Silver	ENGO • MEP
GREC Architects	Chicago	Silver	ARCH
Hathaway Dinwiddie Construction Company	San Francisco	Silver	CON
HEARST	New York City	Silver	OWN
Heintges Consulting Architects & Engineers	New York City	Silver	FAC
Heller Manus Architects	San Francisco	Silver	URB • ARCH • TRAN
Hines	Houston	Silver	DEV • FIN • COST • PROP
HKA Elevator Consulting	Los Angeles	Silver	VERC
Humphreys & Partners Architects, L.P.	Dallas	Silver	CIV • INTR • LAND • URB • ARCH
JAHN	Chicago	Silver	INTR • URB • ARCH
James McHugh Construction Co.	Chicago	Silver	CON
Jaros, Baum & Bolles	New York City	Silver	BACS • PMNG • ENGM • FIRE • HIST • MEP • SEC
Jay Paul Company	San Francisco	Silver	DEV • OWN
JCE Structural Engineering Group	Pasadena, CA	Silver	STRC • SEC • SEIS
Jensen Hughes	Chicago	Silver	FIRE
Kinemetrics	Pasadena, CA	Silver	MATR • OTHR • SEIS
Korda/Nemeth Engineering	Columbus	Silver	ENGM
Kuraray	Wilmington	Silver	COMP • MATR
LeMessurier	Boston	Silver	STRC • WIND • HIST • SEIS
Lendlease	Chicago	Silver	DEV • FIN • PMNG • CON
LERA Consulting Structural Engineers	New York City	Silver	STRC • WIND • SEIS
Lerch Bates, Inc.	Littleton	Silver	FAC • MATR • VERC
LMN Architects	Seattle	Silver	INTR • URB • ARCH • TRAN
Longman Lindsey	New York City	Silver	BMNT • MEP
Magellan Development Group	Chicago	Silver	DEV • OWN
Martin/Martin	Denver	Silver	CIV • STRC • SURV
MBCC-GROUP (Master Builders Solutions US LLC)	New York City	Silver	MATR
Meyer Borgman Johnson	Minneapolis	Silver	STRC
MEYERS+ ENGINEERS	San Francisco	Silver	ARCH • ENGO • MEP
Michael Blades & Associates	Washington D.C.	Silver	PMNG • INSU • VERC
MZA Architecture	Bellevue	Silver	ARCH
Nabih Youssef & Associates	Los Angeles	Silver	STRC • SEIS
O'Donnell & Naccarato	Philadelphia	Silver	STRC • FACS
OJB Landscape Architecture	San Diego	Silver	LAND
OLYMPIQUE Façade Access Consulting	Los Angeles	Silver	BMNT • FACS
Optima Inc.	Chicago	Silver	ARCH • DEV
Osborn Engineering	Columbus	Silver	ENGM
PAN Partners	New York City	Silver	STRC • ARCH • PMNG • ENGO • LEGL
Pavarini McGovern	New York City	Silver	CON
Peckar & Abramson, P.C.	New York City	Silver	CON • LEGL
Pei Cobb Freed & Partners	New York City	Silver	INTR • URB • ARCH
Pepper Construction	Chicago	Silver	CON
Pickard Chilton Architects, Inc.	New Haven	Silver	INTR • URB • ARCH
Portman Architects	Atlanta	Silver	URB • ARCH • DEV
Prudential Center	New York City	Silver	DEV • OWN • PROP
Rafael Viñoly Architects	New York City	Silver	INTR • URB • ARCH
Reiser + Umemoto RUR Architecture	New York City	Silver	ARCH
Rhode Partners	Austin	Silver	INTR • URB • ARCH
Riverside Investment & Development	Chicago	Silver	DEV
Robert A.M. Stern Architects	New York City	Silver	INTR • URB • ARCH
Safdie Architects	Somerville	Silver	INTR • URB • ARCH
Salas O'Brien	Chicago	Silver	MEP
SHoP Architects	New York City	Silver	ARCH
SOH Wind Engineering LLC	Montpelier	Silver	WIND
Solomon Cordwell Buenz - SCB	Chicago	Silver	INTR • URB • ARCH • HIST
Sowlat Structural Engineers	Chicago	Silver	STRC
Spiritos Properties LLC	New York City	Silver	DEV
Stanley D. Lindsey and Associates, Ltd.	Nashville	Silver	STRC • WIND • SEIS
Studio Gang Architects	Chicago	Silver	INTR • URB • ARCH
SWA Group	Sausalito	Silver	LAND • URB
Swinerton	San Francisco	Silver	CON
Syska Hennessy Group	San Francisco	Silver	MEP • SEC • VERC
Telgian Engineering & Consulting, LLC	Chicago	Silver	FIRE
Terracon	Naperville	Silver	GEO • OTHR
Tetra Tech	Pasadena, CA	Silver	ENGM
The Harman Group	Philadelphia	Silver	STRC
TLC Engineering Solutions	Orlando	Silver	STRC • MEP
Tobin, PLLC	Charlotte	Silver	INTR • ARCH • PMNG • FAC • HIST
Van Deusen & Associates - VDA	East Hanover	Silver	VERC
Vanderweil Engineers	Boston	Silver	MEP
W.E. O'Neil Construction Co.	Chicago	Silver	CON
Walter P Moore	Atlanta	Silver	CIV • STRC • WIND • FAC • HIST • SEIS
Ornamental Metal Institute of New York	New York City	Silver	MATR • NONP
Steel Institute of New York	New York City	Silver	MATR • NONP
PEI Architects		Silver
Sentient Law, Ltd.	Chicago	Silver	LEGL
CCHRB (Chicago Committee on High-Rise Buildings)	Gary	Nonprofit/Governmental	NONP
Fire Equipment Manufacturers' Association (FEMA)	Cleveland	Nonprofit/Governmental	FIRE • MATR
International Code Council	Washington D.C.	Nonprofit/Governmental	ENGO • NONP
NAIMA	Washington D.C.	Nonprofit/Governmental	MATR • NONP
Pennsylvania State University	State College	Nonprofit/Governmental	ACAD
Post-Tensioning Institute	Detroit	Nonprofit/Governmental	CIV
Pratt Institute	New York City	Nonprofit/Governmental	ACAD
The Skyscraper Museum	New York City	Nonprofit/Governmental	NONP
University of Illinois at Urbana-Champaign	Urbana	Nonprofit/Governmental	ACAD • RES
Yale University School of Architecture	New Haven	Nonprofit/Governmental	ACAD