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Japan CTBUH Members

Name	Level	# of 150m+ buildings	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
Arup	Platinum	457	CIV • STRC • WIND • ENVE • PMNG • COST • FAC • FIRE • MEP • VERC
PERI	Platinum	69	ENGM • MATR
Hitachi, Ltd.	Silver	56	CON
Kengo Kuma and Associates	Silver	8	ARCH
Maeda Corporation	Silver	2	CON
Mitsubishi Jisho Design	Silver	21	ARCH
Mori Building Co., Ltd.	Silver	30	DEV
Nikken Sekkei Ltd	Silver	125	ARCH
Shimizu Corporation	Silver	58	ARCH
Sumitomo Realty & Development Co., Ltd.	Silver	25	DEV
Taisei Corporation	Silver	60	CON
Takenaka Corporation	Silver	52	ARCH