- Abbott Laboratories
- Adobe Systems, Inc.
- Albertsons
- Alexander & Baldwin, Inc.
- Allmerica Financial Charitable Foundation, Inc.
- Argonaut Group, Inc.
- Bank of America Corportation
- Baxter International, Inc. and Allegiance
- Bemis Company, Inc.
- Charles Schwab Corporation Foundation, The
- Cisco Systems
- Citigroup
- Cognizant Corporation
- Cray Research, Inc.
- DFS Group Limited
- E-bay
- Equitable Life Assurance
- Fireman's Fund Foundation
- Gensler
- Harcourt General, Inc.
- Info Space
- Joseph E. Seagram & Sons, Inc.
- Knight-Ridder, Inc.
- Mallinckrodt, Inc.
- Medtronic, Inc.
- Merrill Lynch & Company, Inc.
- Morgan Stanley Dean Witter
- New York Life
- Palm
- Pioneer Hi-Bred, Int'l Inc.
- Pitney Bowes Inc.
- Prudential Insurance Company
- Rockwell, Int'l.
- Shaklee
- SmithKline Beecham
- Sun Microsystems, Inc.
- Transamerica Corporation
- United Parcel Service of America
- Wells Fargo Bank, N.A.

- Advanced Micro Devices
- Aetna, Inc.
- American National Can Company
- Astra Zenaka
- Boeing
- Citgo
- Coca-Cola Company, The
- Computer Associates International, Inc.
- Dain Rauscher Foundation
- Dow Chemical
- Ecolab, Inc.
- E-Trade
- First Data Corporation
- Guy F. Atkinson Co. of CA
- Houghton Mifflin Company
- International Business Machines Corp.
- Kemper Insurance Companies
- Leo Burnett Company, Inc.
- Mattell, Inc.
- Menasha Corporation
- Mitsubishi International Corporation
- Mutual of Omaha
- Owens-Illinois, Inc.
- Pfizer
- PPG Industries Foundation
- Raytheon
- SBC Foundation (PACBELL)
- Silicon Graphics, Inc.
- SNET
- Tenet Healthcare Foundation
- Unilever United States, Inc.
- Washington Mutual Bank

- Aegon Insurance Group
- AG Communication Systems
- Amgen Foundation
- Barclays Bank PLC/Barclays Capital
- Becton Dickinson and Company
- Cadence Design Systems, Inc.
- Chevron Texaco Corporation
- Citibank
- Consumer Programs, Inc.
- Deluxe Corporation
- Duke Energy Foundation, The
- Eli Lilly and Company
- Fannie Mae Foundation
- Ford Motor
- H.J. Heinz Company
- IKON Office Solutions, Inc.
- John Hancock
- KeyCorp
- Levi Strauss Foundation
- McKesson HBOC Foundation
- Merck Company Foundation
- Mobil Foundation
- NationsBank Corporation
- Pacific Gas and Electric Company
- Pharmacia & Upjohn Foundation
- Provident Companies
- Real Networks
- Scripps Howard
- SM Global, Inc.
- Sprint
- Toyota Motor Sales USA, Inc.
- United Defense LP
- Watkins-Johnson Company