| Center for Research Libraries | Transition to a Global Resources Network - Phase II | 12/01/11 | $1,005,000 | Chicago, IL, United States | Public Knowledge |
| OCLC, Inc. | Infrastructure for shared print collections | 05/31/18 | $1,001,000 | Dublin, United States | Public Knowledge |
| University of Virginia | Federating Repositories of Accessible Learning Materials for Higher Education | 12/13/18 | $1,000,000 | Charlottesville, VA, United States | Public Knowledge |
| Nonprofit Finance Fund | Building Financial Resilience in the Digital Humanities | 12/09/19 | $1,000,000 | New York, NY, United States | Public Knowledge |
| New York Public Library | Relief for Underwater Endowments | 06/19/09 | $1,000,000 | New York, NY, United States | Public Knowledge |
| Hypothes.is Project | Web-based Annotation Tools | 06/13/16 | $1,000,000 | San Francisco, CA, United States | Public Knowledge |
| Stanford University | Mellon Electronic Journal Archiving Program - LOCKSS Part II | 06/21/02 | $1,000,000 | Stanford, CA, United States | Public Knowledge |
| Stanford University | Mellon Electronic Journal Archiving Program - LOCKSS Part III | 12/15/03 | $1,000,000 | Stanford, CA, United States | Public Knowledge |
| University of Illinois at Urbana-Champaign | Developing Text-Mining in the Digital Library - MONK | 12/15/06 | $1,000,000 | Champaign, IL, United States | Public Knowledge |
| Indiana University | Preservation Endowment | 03/16/01 | $1,000,000 | Bloomington, IN, United States | Public Knowledge |
| University of Cambridge | Cataloging 19th Century British Publications | 03/20/06 | $1,000,000 | Cambridge, United Kingdom | Public Knowledge |
| WGBH Educational Foundation | The American Archive of Public Broadcasting | 06/01/17 | $1,000,000 | Boston, MA, United States | Public Knowledge |
| University of Oxford | Strengthening Library Preservation Services | 06/21/02 | $1,000,000 | Oxford, United Kingdom | Public Knowledge |
| ARTstor, Inc. | Collection Development Fund | 06/13/03 | $1,000,000 | New York, NY, United States | Public Knowledge |
| Yale University | Software Preservation Infrastructure | 12/07/17 | $1,000,000 | New Haven, CT, United States | Public Knowledge |
| Library of Congress | Computing Cultural Heritage in the Cloud | 09/12/19 | $1,000,000 | Washington, DC, United States | Public Knowledge |
| Bucknell University | Digital Edition Publishing Cooperatives | 12/09/19 | $1,000,000 | Lewisburg, PA, United States | Public Knowledge |
| New York Public Library | Research Collections and Preservation Consortium (ReCAP) Implementation | 09/10/15 | $1,000,000 | New York, NY, United States | Public Knowledge |
| University of Chicago | Strengthening Library Preservation Programs | 12/17/01 | $1,000,000 | Chicago, IL, United States | Public Knowledge |
| Florida International University | Community Data Curation: Preserving, Creating, & Narrating Everyday Stories | 12/11/20 | $1,000,000 | Miami, FL, United States | Public Knowledge |
| University of Virginia | The HistoryMakers--II | 09/06/18 | $1,000,000 | Charlottesville, VA, United States | Public Knowledge |
| University of Illinois at Urbana-Champaign | Digital Publishing Infrastructure Within Scholarly Commons | 09/10/15 | $1,000,000 | Champaign, IL, United States | Public Knowledge |
| University of Virginia | Social Networks and Archival Context Cooperative - Pilot Phase | 06/04/15 | $1,000,000 | Charlottesville, VA, United States | Public Knowledge |
| University of Cambridge | Preservation microfilming | 09/29/88 | $1,000,000 | Cambridge, United Kingdom | Public Knowledge |
| Arizona State University | Center for Digital Antiquity and the Digital Archaeological Record | 12/04/14 | $1,000,000 | Tempe, AZ, United States | Public Knowledge |
