- The Alpert Family Foundation
- The Archibald Family Foundation
- The Barrington Foundation, Inc.
- The Boston Foundation
- Bright Dental
- Cambridge Travel Inc.
- Cambridge Trust Company
- Cape Cod Five Trust and Asset Management
- Estate of Erica B. Cawley
- Chatham-Beech Charitable Foundation
- Chicago Community Foundation
- The Chung Family Foundation
- Combined Jewish Philanthropies of Greater Boston
- The Community Foundation for The National Capital Region
- The Crawford Foundation
- Theodore H. Cutler Family Charitable Trust
- Danilchuk Auto Body, Inc.
- Ronald M. and Bertram A. Druker Charitable Foundation
- Edwards Angell Palmer & Dodge LLP
- EuroTech Painting
- Fidelity Charitable Gift Fund
- Fraiman Foundation
- Galenus Foundation
- Goldman Sachs Gives
- Goldman Sachs Philanthropy Fund
- Sol Goldman Charitable Trust
- Jacqueline and Todd Goodwin Charitable Trust
- Beryl David and Harry N. Gorin Foundation
- Harris Family Foundation
- Herbst Family Foundation
- Historic Homes
- JDR Charitable Foundation Inc.
- Abraham Kaplan Charitable Foundation
- Rita J. and Stanley H. Kaplan Family Foundation, Inc.
- David L. Kasdon Trust Fund
- J.C. Kellogg Foundation
- Ethel Kennedy Foundation
- Kenwood Foundation
- The Knez Family Charitable Foundation
- Harvey C. Krentzman Charitable Foundation Trust
- Ladera Foundation
- Lakes of the Clouds Hut
- Leo H. Bendit Charitable Foundation
- George D. and Karen S. Levy Family Foundation
- The Maslon Foundation
- Microsoft Corporation
- Middlecott Foundation
- Morgan Stanley Smith Barney Global Impact Funding Trust Inc.
- Moskow Architects, Inc.
- Mountain Meadows Foundation
- National Philanthropic Trust
- Network for Good
- New Hampshire Charitable Foundation
- The New York Community Trust
- Novartis US Foundation
- The Orchard Foundation
- The Maurice Pechet Foundation
- Pericles Partners Foundation, Inc.
- Putnam Foundation
- R. & S. Zeckhauser Foundation
- Ravenal Foundation
- Renaissance Charitable Foundation Inc.
- The Rhode Island Foundation
- Riptide Cycling Inc.
- The Rodgers Family Foundation
- Cele H. and William B. Rubin Family Fund
- Ruth Nelson Family Foundation
- Sacajawea Charitable Foundation
- The Schwab Charitable Fund
- The Robert G. Segel & Janice L. Sherman Family Foundation
- Slade Gorton and Company, Inc.
- Richard and Susan Smith 1990 Charitable Trust
- Robert and Dana Smith Charitable Foundation
- Society for Science and the Public
- Sogg Foundation
- Stanmar, Inc.
- Millicent C. Starr Charitable Trust
- Ruth and Frederick Stavis Family Foundation Inc.
- Target - Take Charge of Education
- TD Charitable Foundation
- The Thompson Foster Street Foundation, Inc.
- Jane H. Tierney 2005 Trust
- Tsoi/Kobus and Associates
- United Jewish Federation of Greater Pittsburgh
- V & L Marx Foundation
- Vanguard Charitable Endowment Program
- Leo Wasserman Foundation
- Whitman Family Foundation
- Wiseman Real Estate
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