As of 2/19/2013, people from the following institutions have registered:
- Amherst College / Five Colleges
- Archival Media Consulting
- Archives of the Arnold Arboretum of Harvard University
- Boston University
- Brandeis Library
- Bridgewater State University
- Cambridge Public Library
- Center for the History of Medicine / Harvard Medical School
- Fidelity Corporate Archives
- Framingham State University
- Hampshire College
- Harvard Business School
- Harvard Library
- Harvard Medical School
- Harvard University
- Library of Congress
- Mass College of Art & Design
- MIT
- MIT Institute Archives
- Peabody Institute Library
- Phillips Academy
- Schlesinger Library
- Smith College-Five Colleges
- State Library of Massachusetts
- UMass Amherst
- University of Vermont
- WGBH
- Worcester Polytechnic Institute