These are just a few of Perry Buffington's satisfied customers:

AT&T
NASA (National Aeronautics
  and Space Administration)
USA Today
The Disney Institute
UPS
Ritz Carlton Corp.
IBM
Comcast
State of Georgia
Bell Atlantic (Verizon)
S. C. Johnson and Sons, Inc.
Oxford Industries
Treasury Executive Institute
Miles Laboratories
Steel Tube Institute

American Express
World of Coca Cola
Bank of America
Nestle
Pepsi Cola
Federal Reserve Bank
Lucent Technologies
National Restaurant Association
Center for Creative Leadership
Universal Press
Scottish Equitable
Western Union
Walt Disney World's
  Swan and Dolphin hotels
Unisys Corporation