3Com Corporation
Aetna Foundation, Inc.
Alliant Energy Foundation, Inc.
Altria Group, Inc.
American International Group, Inc.
Anchor Capital Advisors, Inc.
Aptima, Inc.
The Aspect Matching Gifts Program
David L. Babson & Co., Inc.
Bank of America Foundation
The Baupost Group, L.L.C.
Becton Dickinson and Company
BellSouth Corporation
CDC IXIS Asset Management North America, L.P.
Cisco Foundation
Citigroup Foundation
Compaq Computer Corporation
Computer Associates International Inc.
Converium Reinsurance (North America), Inc.
Corning Incorporated Foundation
Cummings Foundation
Deutsche Bank Americas Foundation
Eastern Bank Charitable Foundation
Eaton Vance Management
Federated Department Stores Foundation
Fiduciary Trust Company
FleetBoston Financial Foundation
FM Global Foundation
Follett
The Ford Foundation
Freeport-McMoRan Foundation
Gap Foundation
General Atlantic Service Corp.
General Electric Foundation
General Re Corporation
Gillette Company
Grantham, Mayo, Van Otterloo & Co. L.L.C.
The Harry Frank Guggenheim Foundation
Hale and Dorr L.L.P.
The John A. Hartford Foundation, Inc.
Hewlett-Packard
Holyoke Mutual Insurance Co.
Honeywell
Houghton Mifflin Company
HSBC Bank USA
IBM Matching Grants Program
Illinois Tool Works Foundation
International Data Group
The J.P. Morgan Chase Foundation
John Hancock Insurance Company
Jostens Our Town Foundation
Kemper Insurance Companies
The Kresge Foundation
Samuel H. Kress Foundation
Massachusetts Financial Services Company
Massachusetts Mutual Life Insurance, Co.
The May Department Stores Company Foundation
The McGraw-Hill Companies, Inc.
Mellon Financial Corporation Foundation
Merrill Lynch & Co., Inc.
Millipore Foundation
Minerals Technologies, Inc.
Monsanto Fund
Charles Stewart Mott Foundation
National Grid USA Service Company, Inc.
New Balance Athletic Shoe, Inc.
New England Business Service, Inc.
New York Times Company Foundation, Inc.
NSTAR Foundation
Oracle Corporation
The Oxford League, Inc.
Perkins Charitable Foundation
Pfizer, Inc.
PG&E Corporation
Pioneer Investments
Polaroid Foundation Inc.
The Prospect Hill Foundation
The Prudential Foundation
Quaker Hill Foundation
Reebok Foundation
Research Engineering & Manufacturing , Inc.
Reuters America Inc.
Saint-Gobain Corporation Foundation
The Charles Schwab Corporation Foundation
Sprint Foundation
The St. Paul Companies, Inc. Foundation
State Street Foundation
State Street Research & Management Co.
Nathaniel and Elizabeth P. Stevens Foundation
Sun Microsystems Foundation, Inc.
Tabors Caramanis & Associates, Inc.
Tenet Healthcare Foundation
The Thomson Corporation
United Technologies Corporation
UnumProvident Corporation
USG Corporation
Verizon
The Washington Post
Waters Corporation
Wellington Management Company, L.L.P.
Wiley Rein & Fielding, L.L.P.