American Cyanamid
American Express Company
AT & T
Chase Manhattan Bank Corporation
Chroma, Inc.
Ciba-Geigy Pharmaceuticals
Citibank Corporation
Columbia Broadcasting System
Dupont Chemical
Esprit, Ltd.
Exxon Corporation
Healthcare Placement Services, Inc.
Hilton Hotels International
International Business Machines Corporation
Leo Burnett Company
McDonalds Corporation
Mobil Corporation
Museum of the City of New York
Prudential Insurance Company
Quaker Oats Company
RenLearn Corporation
Roland Berger GmbH
Trans World Airlines
UAL Corporation
UBS Bankcorp
Wassall USA, Inc.