American Express
W. Altee Burpee & Co.
Banco Popular
British Petroleum
Boeing
Carnegie Corporation
The Discovery Channel
Eastman Kodak
FedEx
Fuji Photo Film, USA
Galyan's
Ilford Corporation
Jackson and Tull
Kalmbach Publishing
King Features Syndicate, Inc.
Kmart
Lalique North America
MCI Communications
McDonnell Douglas Corp.
Mobil Corporation

The Nature Conservancy
Pfizer Inc.
Phillips Petroleum Co.
PITSCO
Pratt & Whitney
Rodale Press
S.C. Johnson & Son, Inc.
Shell Petroleum
Silver Dollar City
Tamiya America, Inc.
Time Life Books
Toshiba
U.S. Department of Energy
United Technologies Corporation
VITRO
Warner Lambert