Abbott Laboratories
ACNielsen
AFL-CIO
AMC Management and Engineering Programs
American Electric Power
A.T. Kearney
ADM- Archer Daniels Midland
AT&T
Mercer
Bankers Trust
Barrington Associates
Cutler-Hammer
Baxter
Bear Stearns
Boeing
Booz Allen and Hamiton
The Boston Consulting Group
Braun Technology Group
Caterpillar
Chicago Parternship Board, Inc.
Chicago Tribune
Cinergy
Cintas
CNAcorp
Computer Sciences Corp.
Contact Singapore
Northrop
Dean & Company
DuPont
Epic
Eaton
Pricewaterhouse Coopers
Deloitte & Touche Consulting
Dun & Bradstreet Corp.
EDS
Eli Lilly & Co.
Equis
Ernest & Julio Gallo Winery
Exxon Mobil
Ernst & Young LLP
Fidelity Investments
Forest Laboratories, Inc.
Information systems
GE
GM
Harza
Hewitt Associates
Hewlett Packard
IBM
Inter-city Teaching Corps
Intel
International paper
JDC Solutions, Inc
Kenan
Kurtis Salmon Associates
LaSalle National Bank
Prudential
Marakon Association
Merck
Merill Lynch
Morgan Stanley Dean Witter
Microsoft
Nationsbanc Montgomery Securities
Microsoft
Northern Trust
Northwestern Mutual Life- 1985
Old Dominion Frieght Line, Inc
Olde
PCA consulting group
Peace Corps
Plexus
Real Networks
Score
Procter and Gamble- 1994
Tide
SBC
Sprint
Leopardo
Tellabs
Prudential
PPG
Technology Asset Management, Inc.
UOP
Transamerica Asset Management, Inc.
US West
Bank of America
Solvay America, Inc.
Simplex
Procter and Gamble International
Radian Intl
Score!
Shell
Seagate
SEI
Sprint
State Farm Insurance
Summit Group Inc.
Watson Wyatt
Wells Fargo
Weyerhauser
Worldcom