The I3P consortium consists of 18 academic research centers, 5 national laboratories, and 3 nonprofit research organizations. Each member institution appoints a primary and secondary representative who attend regular consortium meetings.
- Binghamton University
- Carnegie Mellon University, H. John Heinz III College of Public Policy and Management
- Carnegie Mellon University, Software Engineering Institute
- Dartmouth College
- George Mason University
- The George Washington University
- Georgia Institute of Technology
- Idaho National Laboratory
- Indiana University
- Johns Hopkins University
- Lawrence Berkeley National Laboratory
- MITRE Corporation
- New York University
- Oak Ridge National Laboratory
- Pacific Northwest National Laboratory
- Purdue University
- RAND Corporation
- Sandia National Laboratories
- SRI International
- University of California, Berkeley
- University of California, Davis
- University of Idaho
- University of Illinois
- University of Massachusetts, Amherst
- University of Tulsa
- University of Virginia