Abbott laboratories
ACCO USA
The Ace INA
ADP
AEGON TransAmerica
Aetna
AES NewEnergy
AG Communication Systems
AKZO Nobel Inc.
Alliant Energy
Allendale Insurance
Allstate
American Express
American Honda Motor Co., Inc.
American International Group
American National Bank
Ameritech
Amoco
Amsted Industries Inc.
Andrea Frankel
Allen Charities Aptar
Arie and Ida Crown Memorial
AON Corporation Arco
Ariel Capital Management, Inc.
The Associates
AT&T
Avon Products
AXA

Bank of America
Bank of Montreal
Bank of Tokyo-Mistubishi
Bank One Corporation
Bankers Trust Company
Baxter International
Bell & Howell Boeing
Boston Consulting Group
BP Amoco
Burlington Northern Sante Fe

Case Corporation
Caterpillar
CBS
CCH Incorporated
CDW Computer Centers
Charles Schwab Corporation
Charles Stewart Mott Foundation
Chas. Levy Company
Chase Manhattan
Chevron Companies
Chicago Community Trust
Chicago Title and Trust Company
Chubb & Son Inc.
Cingular Wireless
CIBA Corning Diagnostics Corp
Citgo Petroleum Corporation
Citigroup
Corn Products International
CNA Insurance Companies
Compaq
Computer Network Technology Co.

Donors Forum of Chicago
DSM Desotech
The Duke Energy Foundation

Eaton Corporation
Ecolab
Eli Lilly and Company
Emerson Electric Company
Equifax
Equitable
EXXON Corporation

Fannie Mae
The Field Foundation
Fireman's Fund
First Chicago NBD Corp
First Options of Chicago
Fleet
FMC
FM Global Corporation
Focal Communications Corp
Follett Corporation
Fort James
Fortune Brands

Gallant Insurance Company
Gannet Foundation
GAP
GATX Corporation
General Mills
General Re Corp
Georgia Pacific
GKN

Harris Bank
Helene Curtis
Heller Financial
Home Depot
Honeywell
Houghton Mifflin Company
Household

IBM Corporation
Ikon Office Solutions
ITW
International Data Group

John D. and Catherine T. MacArthur Foundation
Johnson & Johnson
Joyce Foundation

Leo Burnett Company, Inc.
Lexis-Nexis
Lilly Endowment Inc.
Lipman Hearne
Lotus

Mack and Parker
MacLean-Fogg Company
Mallinkrodt, Inc
May Department Stores Company
Mayer, Brown, Rowe and Maw
Maytag Corporation
McDonald's Corporation
McGraw-Hili Companies
McMaster-Garr Supply
Mellon Financial Corporation
Merck Company
Merrill Lynch & Co.
Microsoft
Millipore Foundation
Mobil
Monsanto Fund
Morton International, Inc
Motorola

NCS Pearson, Inc.
National Computer Systems
Neiman Marcus Group
The New York Times
Nicor Gas
Nissan North America
Northern Trust Company
Nuveen Investments

Ondeo Nalco
OMC
Omron

Patagonia Service Center
PCS, Inc.
Peoples Energy Corporation
Pepsico
Pfizer
Philip Morris Companies
Pitney Bowes
Pittway Corporation
Platinum Technology
Playboy Enterprises
Polk Brothers
PPG Industries
Prince Foundation
Prudential

Quest Diagnostics

R.R. Donnelley & Sons Company
RJR Nabisco
Robert McCormick Tribune Foundation
Ryan Companies US, Inc

Safeco Insurance Companies Safety-Kleen
Sapient Corporation Sara Lee SBC
S-B Power Tool Company Searle Sentry
Smith Kline Beecham Spectrem Group Sony
Spencer Foundation Spiegel Inc. Sprint
Square D
St Paul Companies Sunlife Inc

Tandy Corporation
Tawani Enterprises
TDK Corporation of America
Tellabs Inc.
Tenneco Business Services
Thomson Financial
Time Warner Inc.
Times Mirror
Tootsie Roll Industries
Trans Union
Transamerica

UBS
Unilever
United Technologies
UnumProvident Corporation
UPS of America, Inc.
U.S. Cellular
USG

Vaughan's Seed Company
Vulcan Materials, Com

W.K. Kellogg
W.W. Grainger, Inc. Wells Lamont Westinghouse Whirlpool Whitman
Williams Companies
Wm. Wrigley Jr. Company WMX Technologies

Xerox

Zurich Scudder Investments