| American Council of Learned Societies | Digital Scholarships in the Humanities - Cyberinfrastructure Commission | 08/22/03 | $5,700 | New York, NY, United States | Public Knowledge |
| American Academy in Rome | Scholarly Collections Access | 08/22/03 | $10,000 | New York, NY, United States | Public Knowledge |
| Metropolitan Museum of Art | Art Museum Research Libraries | 09/01/04 | $35,000 | New York, NY, United States | Public Knowledge |
| Ithaka Harbors, Inc. | Capital Fund II | 10/01/04 | $4,500,000 | New York, NY, United States | Public Knowledge |
| The Frick Collection | NYARC Web Archiving of Specialist Art Resources | 10/03/13 | $340,000 | New York, NY, United States | Public Knowledge |
| Columbia University | Jazz Discographic Database - Sustainability Plan Implementation | 09/11/14 | $174,000 | New York, NY, United States | Public Knowledge |
| American Council of Learned Societies | Digital Extension Grant Program | 09/10/15 | $900,000 | New York, NY, United States | Public Knowledge |
| The National Book Foundation, Inc. | A Study of Translated Books in the US | 07/11/16 | $99,500 | New York, NY, United States | Public Knowledge |
| American Council of Learned Societies | Digital Extension Grant Program III | 09/11/17 | $920,000 | New York, NY, United States | Public Knowledge |
| New York University | Scholar Librarians Training | 07/05/05 | $48,300 | New York, NY, United States | Public Knowledge |
| Ithaka Harbors, Inc. | Capital Fund IV | 09/17/05 | $3,700,000 | New York, NY, United States | Public Knowledge |
| New York Metropolitan Reference & Research Library Agency | Strategic Planning Process | 09/17/07 | $50,000 | New York, NY, United States | Public Knowledge |
| Columbia University | Gothic Cathedrals of Northern France | 10/03/07 | $696,000 | New York, NY, United States | Public Knowledge |
| American Symphony Orchestra League | Improving Access to and Preservation of Archival Collections | 09/24/09 | $51,000 | New York, NY, United States | Public Knowledge |
| American Academy in Rome | Professional Development and Training Program | 09/16/10 | $50,000 | New York, NY, United States | Public Knowledge |
| New York Public Library | Archiving of Electronic Journals | 12/15/00 | $150,000 | New York, NY, United States | Public Knowledge |
| ARTstor, Inc. | General Support | 12/15/03 | $5,000,000 | New York, NY, United States | Public Knowledge |
| Ithaka Harbors, Inc. | Capital Fund III | 12/17/04 | $2,000,000 | New York, NY, United States | Public Knowledge |
| Ithaka Harbors, Inc. | Portico - E-Archive | 12/12/05 | $1,500,000 | New York, NY, United States | Public Knowledge |
| Ithaka Harbors, Inc. | Core Operations Support - Phase IV | 12/15/06 | $1,000,000 | New York, NY, United States | Public Knowledge |
| New-York Historical Society | Cataloging Special Collections | 12/01/11 | $255,700 | New York, NY, United States | Public Knowledge |
| Center for Jewish History, Inc. | Cataloging Special Collections | 12/01/11 | $229,600 | New York, NY, United States | Public Knowledge |
| Museum of the City of New York | Cataloging Special Collections | 12/06/12 | $129,700 | New York, NY, United States | Public Knowledge |
| ARTstor, Inc. | Office Relocation Support | 12/04/14 | $760,000 | New York, NY, United States | Public Knowledge |
| Rhizome Communications, Inc. | Separating the Development of Webrecorder from its Application | 12/09/19 | $146,000 | New York, NY, United States | Public Knowledge |
