T. Kearney (International) AG
ABB Schweiz AG
ABN AMRO Bank (Schweiz) AG
Adecco AG
AIG Private Bank
AKB Privat Bank AG
Air France
Air Mauritius
Alcatel Schweiz AG
Allianz Suisse SA
American Express Int. Inc.
American Airlines
Accenture AG 
Association of Foreign Banks 
Astra Zeneca AG
Axpo Holding AG
Bain & Company Switzerland, Inc.
Baker & McKenzie
Bank Hofmann AG
Bank Julius Baer & Co. Ltd.
Bank Morgan Stanley AG
Bank Sal. Oppenheim
Bank Leu 
Bank Sarasin & Cie.
Burson Marsteller 
Bank Vontobel AG
BTI Event Solutions 
Barry Callebaut AG
Cognos Switzerland 
Beverage Partners Worldwide (Europe) AG
Blancpain Jean P.
Bloomberg L. P. NY / USA
BLOOMBERG LONDON
BNP PARIBAS PRIVATE BANK
Bombardier Corporate Financial
Bombardier Transportation
Boston Consulting Group AG Zürich
BRANDFUEL
BROTHER (Schweiz) AG
Buena Vista Home Entertainment AG
Burson-Marsteller AG
Cadbury Switzerland
Canon Schweiz AG
cashgate AG
CHANEL SAS
CHRISTIAN DIOR
Christie's (International) AG
Chubb Insurance Company of Europe S.A.
Citigroup Corporate & Investment Bank
Clariden Leu AG
CLARINS SA
Conventus of Switzerland
Conzzeta Holding
Coutts Bank (Schweiz) AG
CREDIT SUISSE
Daimler Chrysler Schweiz AG
Deutsche Bank Schweiz AG
Dr. Egon Zehnder & Partner AG
Dr. Bjorn Johansson Associates 
Ehinger & Armand von Ernst AG
ELEKTROWATT Infra Ltd.
Eli Lilly (Suisse) S.A.
EMI Music Switzerland AG
Ernst & Young AG
EUROFORUM GmbH
ExecuJet Europe AG
EXPO + EVENT Swiss Association
Farner Consulting AG
FIDELITY Investments Int.
FIFA
GAM (Schweiz) AG
GE Money Bank GEFS (Suisse) AG
General Motors (Europe) AG
Goldman Sachs & Co. Bank
Grünbaum Koblasa Livingmedia AG
GUCCI Luxury Goods International SA
Halfen Group
Harvey Nash Consulting AG
Holcim (Schweiz) AG
Holcim Group Support Ltd
HOMBURGER Rechtsanwälte
HOWALD & PARTNER
HSBC Private Bank ( Suisse ) SA
Hublot SA
HUGO BOSS Switzerland Retail AG
Implenia Development AG
Interbrand Zintzmeyer & Lux AG
Jung von Matt 
J.P. Morgan Flemming Asset
Jaguar Land Rover Schweiz AG
Klinik Pyramide am See AG
KPMG Fides
Kuoni Reisen AG
La Prairie Group
LGT Bank in Liechtenstein AG
LGT Capital Management AG
Lodestone Management Consultants Ltd.
Lombard Odier Darier Hentsch & Cie
Mc Kinsey + Company Inc.Switz
MCI Group AG
Mees Pierson Schweiz AG
MERCK SHARP & DOHME-CHIBRET AG
MEYER LUSTENBERGER
Michael Page
Microsoft (Schweiz) GmbH
Nationalbank
Nestlé Nespresso S.A.
Nokia Schweiz
Novartis Pharma AG
Novo Nordisk Pharma AG
Océ (Schweiz) AG
Oracle Software (Schweiz) GmbH
Osec Business Network Switzerland
PARK HYATT ZURICH
Phonak
PricewaterhouseCoopers AG
Privatbank IHAG Zürich AG
Publicis Werbeagentur AG, BSW
Ringier AG
Roche Pharma (Schweiz) AG

ROTARY Club Belvoir Zürich

Schroeder & Co Bank AG
Schweiz. Rückversicherungs-Gesellschaft
Siemens Schweiz AG
SWATCH Ltd.
SWISS EXPO AND EVENT MAKERS
SWISS International Air Lines AG
Swiss Life Property Management AG
Symantec Switzerland AG
T-Systems Schweiz AG
TA Media AG
Telekurs Financial Information Ltd.
THE BOSTON CONSULTING GROUP
Thomson Corporation Switz. AG
UBS AG
Volvo Automobile (Schweiz) AG

ZÜRICH Insurance Company
ZÜRICH International Solutions
ZÜRICH TOURISMUS
Zuger Kantonalbank
ZKB

Vontobel Asset Management AG
Wella Suisse GmbH
Wundermann AG
Xerox 
Zschokke Generalunternehmung AG
Züblin Strabag AG

uvm.